Internal combustion engines and electric motors and parts thereof for aircraft and watercraft, namely, camshafts, cylinders, pistons, alternators, belts and carburetors; internal combustion engines for experimental purposes with and without exhaust turbochargers, having exhaust gas recirculation and having storage of combustion gas other than for land vehicles, compressors for machines

Diagnostic apparatus and instruments for externally and internally driven internal combustion engines, namely, automotive analyzers for testing engine performances and electronic circuits; monitoring apparatus and instruments for the operating state of internal combustion engines, namely, testing equipment for testing emissions, pressure, temperature, fuel consumption, and engine speed; measuring apparatus and instruments for the thermodynamic assessment of internal combustion engines; diagnostic and monitoring apparatus and instruments for vehicle batteries, namely, battery acid testers and ammeters; measuring and assessment apparatus and instruments for the evaluation and analysis of the driving behavior of motor vehicles, namely, calibrating spectrometers for emission calibration, brake testing equipment transmission testing equipment and torque measuring equipment; force measurement gauges and equipment, namely, power brakes for test stands; devices for the regulation of internal combustion engines, namely, engine cut out devices; partially and completely automatic engine test stands as well as test stands for assemblies and their components, namely, digital force gauges, digital torque gauges and manual and motorized test stands used therewith; test stands for testing force measurements of aircraft components; electric actuators included in this class; sensors and devices for measuring, testing, and monitoring voltage, current, electric resistance, gas flow, gas concentration, pressure, quantity and concentration of fluids in hydraulic and pneumatic systems; piezoelectric and electroacoustic components for use in test stands and vehicles, namely, piezoelectric switches and resonators; measuring apparatus and instruments for determination of the resonance behavior of piezoelectric pressure sensors; pressure sensors; high-pressure sensors; force microsensors, distance sensors, namely, lasers; acceleration sensors; flow rate regulators for fluid flow in domestic, agricultural and commercial applications; gas and fluid pressure and velocity regulators not for gas, water or other sanitary installations; photoelectrical sensors, capacitive and inductive measuring transducers; electronic liquid level measuring devices; devices for measuring pressure vibrations in liquids; apparatus and instruments for measuring torsional vibrations; capacitive distance measuring apparatus and instruments for top dead center of piston engines; devices for measuring the composition of exhaust gases; densitometers for use in industrial materials testing; angle marker generators; microwave interferometers, velocity measuring apparatus and instruments, namely, speedometers; cadence calculators, namely, frequency meters; calibrating apparatus and instruments for sensors and measuring devices, namely, industrial calibration sensors; electric charge amplifiers; static and dynamic calibration facilities for high-pressure sensors, namely, industrial calibration sensors; precision measuring devices for determining internal diameters on pipes; testing instruments, namely, sound level meters; testing apparatus and testing machines, namely, gas testing instruments; flow rate measuring devices, namely, flowmeters; temperature measuring devices, namely, thermosensors, devices for measuring structure-borne noise and airborne noise, namely, decibel meters; laser-optical instruments for studying flow phenomena in liquids and gases; computer and control programs for the operation and testing of internal combustion engines and for the study of exhaust gas emissions, their occurrence and reduction, and for strains, stresses, oscillations, noise generation, noise propagation, and noise emission; computer programs for flow and combustion procedures inside engines and mixture formation and charge and/or mixture layering procedures; computer programs for modeling and analyzing external flow of moving parts and bodies, in particular of land, air, and sea vehicles; computer modeling programs for flows in enclosed spaces, in particular air conditioning; computer programs for the simulation of 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; sensors and measuring probes for measuring the oxygen partial pressure, the carbon dioxide partial pressure, the hydrogen ion concentration, the electrolyte concentration, the content of metabolites and substrates in bioreactors, fermenters, and devices of beverage and food technology; fiber-optic sensors and instruments for the simultaneous measurement of various physical and chemical properties, namely, oxygen partial pressure, carbon dioxide partial pressure, hydrogen ion concentration and electrolyte concentration; biosensors and ion-selective sensors based on luminescence-optical measuring principles, namely, luminoflux meters; luminescence photometers, fluorescence photometers, and spectroscopic analysis equipment, namely, spectroscopes for scientific and research use; devices for determining the concentration of a material contained in a substance, namely, concentration meters; electrochemical electrodes; microelectrodes for industrial and scientific use; micro-optical sensor for visual inspection and observation of the interior of internal combustion engines; microelectronic sensors having analysis electronics, namely, micro soot sensors; devices for analyzing environmental samples, their parts, and microcomputers and microprocessors for these devices, namely, monitoring devices for wastewater facilities used to monitor and measure environmental parameters including humidity, mold, bacteria, air quality and water quality; sensors and instruments for trace analysis in the beverage and food industry, namely, electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; optical liquid level sensors; reference electrodes, capillary electrodes, electrode testing devices not for medical use, namely, for industrial research and testing; fuel cells, batteries, and accumulators for vehicles, electric controls for vehicles

Internal combustion engines for land vehicles; electric motors for land vehicles, namely, motor cars; Internal combustion engines for experimental purposes with and without exhaust turbochargers, having exhaust gas recirculation, and having storage of combustion gas for land vehicles; electrotechnical machinery and apparatus, namely, electric drives for land vehicles; clutches for land vehicles; hybrid electric drives for internal combustion land vehicles; hybrid internal combustion drives for electric land vehicles

Maintenance of internal combustion engines and vehicles; maintenance of electronic measuring, testing and monitoring devices in the fields of automotive testing equipment

Arranging and conducting of training courses and educational classes for company personnel and guest engineers in the field of engine design, research, and development, and in the field of measurement technology, all above-mentioned including shows of cinema and video films, as well as computer animations; combustion photography and high-speed photography in combustion chambers

Research in the field of engine construction and measurement technology, engineering, expert work and evaluations, namely, product research and development; development, calculation and construction planning for the purpose of design, and design of internal combustion engines, experimental engines and parts thereof; component product development for internal combustion engines and other types of machines; product development and calculation analysis in the course of product development of low-emission combustion methods and lean-fuel engines; product development of drive assemblies; land, water and air vehicle product development; product development and calculation analysis in the course of product development of fuel supply devices for engines for liquid, solid, and gaseous fuels and for injection motors for standard fuels and alternative fuels; calculation, analysis and study 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 study of oil consumption based on the metallic components of particle emissions; transient measurement of exhaust gas and particle emission, chemical and spectroscopic analysis of exhaust gases and particle emissions for technical evaluation study purposes; testing, analysis and evaluation of overall behavior, noise generation and silencing of materials in the automotive field; development and calculation work on noise reduction in engines and transmissions and overall systems; product development of industrial diagnostic sensors and testing apparatus, test stands, dynamic test stands, simulation test stands, cold test stands, manufacturing test stands, testing devices, measuring devices, and experimental equipment for machines and work machines; analysis and consulting work on internal combustion engines and systems operated by such engines, and on transmissions; computer software development of macroprograms for computer-aided design and computer-aided manufacturing, and computer programs for databank applications; computer software development of computer and control programs, in particular for the operating and testing of internal combustion engines and for study of exhaust gas emissions, their generation and reduction, and for stresses, strains, vibrations, noise generation, noise propagation and noise radiation; computer software development of computer programs for flow phenomena and combustion processes inside the engine, and for processes of mixture-formation and mixture-layering; computer software development of computer programs for simulation of thermodynamic processes, flows, temperature and pressure curves of temperature distribution in solid bodies, particularly in components of internal combustion engines and their assemblies, of combustion and detonation processes; computer software development of computer programs for external flows around moving parts and bodies, especially land, air, and water vehicles, for flows in enclosed spaces, especially air conditioning; rental of data processing systems and of computer, simulation, and control and macro programs for development and research, for computer-aided design and computer-aided manufacturing, for databank applications, and for the operation and testing of internal combustion engines; research in the fields of biotechnology, medicine, beverage and food technology and environmental protection; product development of apparatus, devices, measuring probes, and measuring devices all in the fields of biotechnology, medicine, beverage and food technology and environmental protection; product development of test stands, test devices, and experimentation equipment, all in the fields of biotechnology, medicine, beverage and food technology and environmental protection; design of computer programs and control programs, all in the fields of biotechnology, medicine, beverage and food technology and environmental protection; performance of engineering analyses and consultancy, all in the fields of biotechnology, medicine, beverage and food technology and environmental protection; performance of measurements for purposes of environmental protection