Jorg Abthoff
30Patents
14h-index
47Co-inventors
81Inventor score
Filing activity: Sep 19, 1973 → Nov 4, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4622809A | Method and apparatus for monitoring and adjusting .lambda.-probe-controlled catalytic exhaust gas emission control systems of internal combustion engines | Emerging Cross-Sectional Technologies | 114 | Expired |
| US4836161A | Direct fuel injection method for a diesel engine | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5259813A | Device for controlling the ventilation of an internal space, particularly in motor vehicles | Performing Operations; Transporting | 28 | Expired |
| US4481841A | Multiple engine drive arrangement | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4205971A | Soot filter in the exhaust gas flow of air-compressing internal combustion engines | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4775518A | Exhaust gas catalytic converter arrangement | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5256103A | Ventilation arrangement for the interior of a vehicle, in particular a heating and/or air-conditioning unit for a motor vehicle | Performing Operations; Transporting | 18 | Expired |
| US4617795A | Exhaust gas pipe for internal-combustion engines having a receiving opening for a heated probe for determining the oxygen content of the exhaust gases | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US3984207A | Mounting support for a catalyst body | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5042248A | Process and apparatus for the regeneration of a soot-particle filter in an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US3988890A | Overheating protection for an exhaust gas purification block | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6240890A | Starting device for an internal combustion engine and method for starting the internal combustion engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4000614A | Mixture compressing internal combustion engine with two cylinder rows and exhaust gas treatment | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4733358A | Method for optimizing the air/fuel ratio under non-steady conditions in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4077368A | Four-cycle reciprocating-piston internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4343149A | Soot filter in the exhaust gas stream of air-compressing internal combustion engines | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4235846A | Converter for exhaust gas with removable insert housings having monolithic catalyst therein | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4364339A | Internal combustion engine with cooling system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4098252A | Method and apparatus for carrying out the method to control a multi-cylinder internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4145394A | Catalyst monolith for exhaust gas decontamination, preferably in motor vehicles | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4125997A | Air distribution system for reduction catalyst and oxidation catalyst | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5638780A | Inlet system for a two cycle internal combustion engine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4377135A | Additive means for an air compressing internal combustion engine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US3948229A | Manifold structure for a four-cycle internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4621604A | Fuel injection system for a mixture-compressing spark ignition internal-combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.