Calibrating and control chemicals for analyzers; Internal combustion engines and parts thereof (other than for land vehicles); compressors; Sensors and reactors, all for measuring, testing and monitoring in laboratory research applications; piezoelectric crystals, equipment for the growth and treatment of piezoelectric crystals, strain gauges, piezoelectric and electroacoustic components, piezoelectric resonators, pressure sensors, high-pressure sensors, static and dynamic calibrating systems for high-pressure sensors, acceleration sensors, measuring equipment for determination of the resonance behavior of piezoelectric pressure sensors, force sensors, distance sensors, optical sensors, capacitive and inductive transducers, microwave sensors; measuring probes and measuring monitors for applications in biotechnology and environmental protection, and microcomputers and microprocessors for such probes and monitors; ion-selective sensors based on fluorescence-optical principles of measurement; fluorescence photometers for spectroscopic analyses; measuring probes and equipment for monitoring sewage or waste water plants and for protection of water bodies; apparatus for determining the concentration of an agent contained in a substance, luminescent indicators, electro-optical measuring instruments, electro-chemical electrodes, microelectrodes, microoptical and micro-electrochemical sensors with evaluation electronics; meters for measuring the interior diameters of pipes, weighing machines, signallers and monitors, flowmeters, thermometers not for medical purposes, meters for structure-borne sound and air-borne sound, flow regulators, pressure regulators, speed regulators; electronic liquid level measuring devices, instruments for measuring pressure vibrations in liquids, instruments for measuring torsional vibrations, capacitive distance meters for upper dead center of reciprocating engines, equipment for measuring the composition of exhaust gases, densitometers, angle marker, generators, photoelectric barriers, microwave interferometers, speedometers, cadence calculators, calibrators for sensors and measuring equipment, electric charge amplifiers; laser-optical instruments for investigation of flow phenomena in liquids and gases; diagnosis equipment for internal combustion engines both self-driven and externally driven, monitoring devices for internal combustion engines in operation, measuring equipment for thermodynamic evaluation of internal combustion engines; dynamometric brakes for test stands, facilities for the control of internal combustion engines, partly and fully automated engine test stands and test stands for subassemblies and their components, test stands for the testing of aircraft components; internal combustion engines for test purposes with and without turbochargers, with exhaust gas recycling and storage of combustion gas; ballistic equipment for recording and evaluation of measured values, target detectors, gunpowder analysers, ballistic measurers, ammunition testers for interior ballistics; computer and control programs for the operating and testing of internal combustion engines and for the analysis of exhaust gas emissions, their generation and reduction, and for stresses, strains, vibrations, noise generation, noise propagation and noise radiation; computer programs for flow phenomena and combustion processes inside the engine, and for processes of mixture-forming and mixture-layering; computer programs for simulation of thermodynamic processes; computer programs for simulation of flows, temperature and pressure curves; computer programs for simulation of temperature distribution in solid bodies, especially in components of internal combustion engines and their subassemblies; computer programs for simulation of combustion and detonation processes; computer programs for flow processes and combustion processes, and for processes of mixture-formation, charging and mixture-layering in internal combustion engines, computer programs for external flows around moving parts and bodies, especially landcraft, aircraft and watercraft, computer programs for flows in closed spaces, especially air conditioning applications; computer programs for analysis of exhaust gas emissions, their generation and reduction; sensors and measuring probes for measuring the oxygen partial pressure, carbon dioxide partial pressure, hydrogen-ion concentration, electrolyte concentration, metabolite and substrate contents in bioreactors, fermenters; fiberoptical sensors and instruments for simultaneous measurement of various parameters (for instance, oxygen partial pressure, carbon dioxide partial pressure, hydrogen-ion concentration, electrolyte concentration); biosensors and ion-selective sensors based on luminescence-optical principles of measurement; sensors and apparatus for trace analysis in the beverages and food industry; reference electrodes, capillary electrodes, electrode test equipment; Medical apparatus and instruments; namely medical measuring devices and instruments as well as their components, medical therapy equipment; probes for medical purposes, transcutane measuring devices, equipment for the withdrawal of blood for medical examination or test purposes; equipment for blood tests and their components, hose pumps, sample feeding devices, devices for determination of the electrolyte contents, hydrogen-ion concentrations, metabolite and substrate contents, and partial pressures of gaseous substances, devices for determining the concentration of an agent contained in a substance, luminescent indicators, luminescence photometers and equipments for spectroscopic analyses, electro-optical measuring instruments, electrochemical electrodes, microelectrodes, optical sensors, immuno sensors, micro-optical and microelectrochemical sensors with evaluation electronics, reference electrodes, capillary electrodes, electrode test equipment, calibrating devices for measuring instruments, all for medical applications; equipment for tumor diagnoses; implantable devices for measuring the composition of body fluids and for automatic medication; medical pulse pressure transducers; artificial sleep and anaesthetization equipment; microcomputers and miocroprocessors for medical purposes; Internal combustion engines for land vehicles and parts thereof.

Maintenance of internal combustion engines and vehicles; maintenance of electronic measuring, testing and monitoring devices and of electronic measuring, testing and monitoring facilities; Maintenance of medical and biotechnological equipment and instruments, as well as apparatus for beverage and food technology; Training courses and classes for company personnel and guest engineers in engine design, research and development, and in measurement technology and instrumentation, including shows of cine and video films; Research in engine construction, measurement technology and instrumentation, engineering, expert work and expertises; development, design, calculation and construction planning of internal combustion engines, test engines and parts thereof; calculations using data processing systems; development of machinery and apparatus, test stands, dynamic test stands, simulation test stands, cold test stands; manufacture test stands; test equipment, measuring instruments and experimental gear for engines and machines and ballistics; component development for combustion engines and other engine types; calculation and development of low-emission combustion techniques and lean-fuel engines; combustion photography and high-speed photography for combustion chambers, development of power assemblies, development of vehicles; calculation and development of fuel systems for engines using liquid, solid or gaseous fuels and for injection engines using conventional fuels or alternative fuels; calculation, analysis and testing of the influence of fuels and lubricating oils on exhaust emissions and on the abrasive and corrosive wear of engine components and resulting particle emissions; calculation, analysis and testing of oil consumption based on the metallic components of particle emissions; transient exhaust gas and particle emission technology, chemical and spectroscopic analysis of exhaust gases and particle emissions; investigation of overall behavior, noise generation and silencing; development and calculation work on noise reduction in engines and gear trains and total systems; analysing and consulting work on internal combustion engines and systems operated by such engines, and on gear trains; development of macroprograms for computer-aided design and computer-aided manufacturing, and computer programs for databank applications; development of computer and control programs for the operating and testing of internal combustion engines and for analysis of exhaust gas emissions, their generation and reduction, and for stresses, strains, vibrations, noise generation, noise propagation and noise radiation; development of computer programs for flow phenomena and combustion processes inside the engine, and for processes of mixture-formation and mixture-layering; development of computer programs for simulation of thermodynamic processes; development of computer programs for simulation of flows, temperature and pressure curves; development of computer programs for simulation of temperature distribution in solid bodies, especially in components of internal combustion engines and their subassemblies; development of computer programs for simulation of combustion and detonation processes; development of computer programs for flow processes and combustion processes, and for processes of mixture-formation, charging and/or mixture-layering in internal combustion engines; development of computer programs for external flows around moving parts and bodies, especially landcraft, aircraft and watercraft, development of computer programs for flows in closed spaces, especially air conditioning applications; development of computer programs for analysis of exhaust gas emissions, their generation and reduction; rental of data processing systems and rental of computer, simulation and control programs for development and research of computer-aided construction and computer-aided manufacturing, of databank applications as well as for operating and testing of internal combustion engines; research and development of apparatus, devices measuring probes and measuring instruments, development of test stands, test equipment and experimentation equipment, preparation of computer programs and control programs, performance of analyses and consultancy, all in the fields of biotechnology, medicine, beverage and food technology and environmental protection; measurements for purposes of environmental protection; rental of medical instruments and apparatus, of apparatus for beverage and food technology and of equipment for environmental protection.

Drive chains and drive chain structural parts for ships and boats; internal combustion engines for ships and boats; internal combustion engines for experimental purposes with and without exhaust turbochargers, having exhaust gas recirculation and having storage of combustion gas for ships and boats; electric motors and parts thereof for ships and boats; hybrid drives and hybrid motors for ships and boats; clutches and apparatus for power transmission, namely torque converters for ships and boats; compressors, namely air compressors, centrifugal compressors, gas compressors, electric compressors, compressors for industrial machinery

Fuel cells, batteries and electric accumulators for vehicles; computer programs, software and control programs for the operation and testing of internal combustion engines; computer programs, software and control programs for the study of exhaust gas emissions, their occurrence and reduction; computer programs, software and control programs for detecting and analyzing strains, stresses, oscillations, noise generation, noise propagation, and noise emission from land vehicle powertrains; computer programs, software and control programs for testing, monitoring and analyzing external air flow of moving parts and bodies, of land, air, and sea vehicles; computer programs, software and control programs for flow processes and combustion processes and fuel-mixture generation and charging processes and fuel-mixture laminating processes within an engine; computer programs, software and control programs for flows in enclosed spaces generated by air conditioners; computer programs, software and control programs for powertrain and vehicle testing to simulate thermodynamic processes, flows, temperature and pressure curves, the temperature distribution in solid bodies, in particular in components of internal combustion engines and their assemblies, of combustion and detonation procedures; computer programs, software and control programs for testing the combination or conjunction of simulation programs for developing powertrain systems; computer programs, software and control programs for the evaluation and development of engines, gear drive, transmission topologies of land, sea and air vehicles; computer programs, software and control programs for the evaluation and assessment of the diesel and gasoline engine exhaust of boat engines, ship engines, airplane engines and motor vehicles; computer programs, software and control programs to assist the test engineer during the performance of the calibration of boat engines, ship engines, airplane engines and motor vehicles; computer programs, software and control programs the diagnosis and monitoring of motor vehicle batteries and fuel cells; computer programs, software and control programs for the assessment, simulation and development of electric motors, their power electronics and hybrid drive trains and drive gears for motor vehicles; computer programs, software and control programs for the evaluation, simulation and analysis of driving behavior of motor vehicles; computer programs, software and control programs for the thermo-dynamical assessment of internal combustion engines; computer programs, software and control programs for providing comparative evaluations of vehicle drive chain characteristics; computer programs, software and control programs for the automated delineation of test runs for the behavior of drive chains and motor behavior; computer programs, software and control programs for the retracing of reproducible test runs of the test track or real tracks on the roller dynamometer; computer programs, software and control programs for the management of the operational procedure in an engine and powertrain test facility, namely order processing of test orders, in particular the management of the sequences of operation, management of test and measuring equipment, scheduling of test orders, test beds, measuring instruments and personnel; computer programs, software and control programs for the management, assessment and analysis of vehicle engine and vehicle powertrain test data, in particular for the operation of web shops for vehicle engine and vehicle powertrain spare parts; software for calibration, for simulation and analysis of safety-related systems of vehicle engines and powertrain systems; diagnostic and monitoring apparatus and instruments for vehicle batteries, namely battery acid testers and ammeters; diagnostic and monitoring apparatus and instruments for externally and internally driven internal combustion engines, namely automotive analyzers for testing engine performances and electronic circuits; sensors, measuring probes and battery electrolyte tester for measuring, probing and monitoring the concentration of electrolytes in electric storage batteries; sensors, measuring probes and battery electrolyte tester for measuring, probing and monitoring the hydrogen ion concentration in electric storage batteries, in exhaust systems of vehicle engines; sensors, measuring probes and battery electrolyte tester for measuring, probing and monitoring the carbon dioxide partial pressure in electric storage batteries, in exhaust systems of vehicle engines and in automatic engine test stands; sensors, measuring probes and battery electrolyte tester for measuring, probing and monitoring the oxygen partial pressure in electric storage batteries and in exhaust systems of vehicle engines and in automatic engine test stands; fiber optical sensors and instruments for simultaneous measurement of various parameters, namely oxygen partial pressure, carbon dioxide partial pressure, hydrogen ion concentration, concentration of electrolytes in electric storage batteries, in exhaust systems of vehicle engines and in automatic engine test stands; electrochemical electrodes for use in electric storage batteries, in exhaust systems of vehicle engines and in automatic engine test stands; micro electrodes for use in electric storage batteries, in exhaust systems of vehicle engines and in automatic engine test stands; micro-optical and micro-electrochemical sensors with evaluation electronics, namely, pressure sensors, proximity sensors, velocity sensors and thermal sensors for use in electric storage batteries, in exhaust systems of vehicle engines and in automatic engine test stands; microwave interferometers; microwave sensors for use in electric storage batteries, in exhaust systems of vehicle engines and in automatic engine test stands; optical sensors; capillary electrodes; electrode testing devices, namely electrode testing meters; calibrating apparatus and instruments for sensors and measuring devices, namely industrial calibration sensors; devices for measuring the composition of exhaust, namely exhaust gas analyzers; devices for measuring the pressure vibrations in liquids, namely manometers; devices for measuring the structure-borne noise and airborne noise, namely decibel meters; software for the evaluation and analysis of driving behavior of motor vehicles; software for the thermo-dynamical evaluation of combustion engines; measuring instruments for determination of the resonance behavior of piezoelectric pressure sensors; piezoelectric resonators; piezoelectric and electro-acoustic components, namely, piezoelectric pressure sensors, piezoelectric resonators and piezoelectric switches for use in test stands and vehicles; electro-optical measuring apparatus and instruments for studying flow phenomena in liquids and gases; velocity measuring apparatus and instruments, namely sensors for determining velocity, torsional vibration measuring apparatus and instruments, namely, torsional vibration measuring sensors; laser-optical instruments for studying flow phenomena in liquids and gases, acceleration sensors, pressure sensors, pressure regulators for vehicle engines and for automatic engine test stands, flow rate sensors; flow rate regulators for vehicle engines and for automatic engine test stands; electric charge amplifiers, namely power amplifiers; electronic liquid level measuring devices, namely, liquid level measuring transducers and liquid level measuring sensors; velocity regulators for vehicles, for engines and for automatic engine test stands; high-pressure sensors; capacitive distance measuring instruments for top dead center of piston engines; capacitive and inductive measuring transducers; force encoder, namely, chassis dynamometers for testing vehicles; light barriers, namely optical sensors; position encoders for the tracking the rotary position of an engine shaft; densitometers, temperature measuring devices, namely temperature gauges and temperature sensors; Automotive test beds, test machines, test benches and testing equipment, namely, component testers, alternator testers, starter testers, diode and rectifier testers, voltage regulator testers, combination alternator, starter and battery testers, solenoid testers, hybrid motor, generator and variable frequency drive testers, hybrid motor test stands for laboratory, durability and production testing, HV-EV motor and controller test systems comprised of load motors, power analyzers, test beds, testing software, electronics, power supply, battery simulator, Motor Controller and Inverter testers; Electric Powertrain Testing Systems comprised of load motors, power analyzers, test beds, testing software, electronics, power supply, battery simulator; Engine Simulator test systems comprised of load motors, power analyzers, test beds, testing software, electronics, power supply, battery simulator, starter durability testers, start stop system starters, dynamometers, brake assist system testers, machines for dynamic testing of vehicle components, namely, drivelines, axels, drive trains, transmissions, gear boxes, brakes, engines, camshafts, crankshafts, tire and wheels, fans, alternators, drive shafts, turbo chargers, pumps; Vehicle gear box testing machines; vehicle automatic transmission testing machines; Vehicle emissions testing machines; partially and completely automatic engine test stands; power brakes for test stands; monitoring instruments for the operating state of internal combustion engines, namely testing equipment for testing emission, pressure, temperature, noise, fuel consumption and engine speed; instruments and devices for determining the concentration of a material contained in a substance, namely concentration meters ; static and dynamic calibration equipment for calibrating high-pressure sensors power electronics for electric motors, namely electronic power supplies for driving electric motors

Calibrating and control chemicals for analyzers for analyzing ion, gas and substrate concentrations; measuring probes and measuring monitors for applications in biotechnology and environmental protection, superheated steam sterilizable sensors and measuring probes for measuring the oxygen partial pressure, carbon dioxide partial pressure, and hydrogen-ion concentration in bioreactors and fermenters; fiberoptical sensors for simultaneous measurement of various parameters (for instance, oxygen partial pressure, carbon dioxide partial pressure, hydrogenion concentration); biosensors and ion-selective sensors based on flourescence photometers for spectroscopic analyses; measuring probes and monitors for monitoring sewage or waste water plants and for water protection; sensors for trace analysis in the beverages and food industry; apparatus for determining the concentration of an agent contained in a substance, luminescent indicators, electro-optical measuring apparatus, electrochemical electrodes, microelectrodes, optical sensors, micro-optical and micro-electrochemical sensors with evaluation electronics, reference electrodes; capillary electrodes, electrode testers, calibrating units for measuring instruments; medical apparatus and instruments; namely medical measuring devices and instruments as well as their components, medical therapy equipment; probes for medical purposes, equipment for the withdrawal of blood for medical examination or test purposes;equipment for blood tests and their components, hose pumps, sample feeding devices, devices for determination of the electrolyte contents, hydrogenion concentrations, and partial pressures of gaseous substances, all for blood test equipment; devices for determining the concentration of an agent contained in a substance, luminescent indicators, electro-optical measuring instruments, electrochemical electrodes, microelectrodes, optical sensors, micro-optical and micro-electro-chemical sensors with evaluation electronics, reference electrodes, capillary electrodes electrode test equipment, calibrating devices for measuring instruments, all for medical applications; equipment for tumor diagnoses; implantable devices for measuring the composition of body fluids and for automatic medication; medical pulse pressure transducers; artificial sleep and anaesthetization equipment; microcomputers and microprocessors for medical purposes.

Maintenance of medical and biotechnological equipment and instruments, as well as apparatus for beverage and food technology; research and development of apparatus, devices measuring probes and measuring instruments, development of test stands, test equipment and experimentation equipment, preparation of computer programs and control programs, performance of analyses and consultancy, all in the fields of biotechnology, medicine, beverage and food technology and environmental protection and measurements for purposes of environmental protection; rental of medical instruments and apparatus, of apparatus for beverage and food technology and of equipment for environmental protection.

The sale and/or distribution of audio equipment, namely powered speakers, powered amps and audio mixers for performances, shows, concerts, entertainment events, corporate events and commercial enterprises.

The sale and/or distribution of audio equipment, namely powered speakers, powered amps and audio mixers for performances, shows, concerts, entertainment events, corporate events and commercial enterprises.