Hans-Jurgen Drexl
22Patents
11h-index
33Co-inventors
71Inventor score
Filing activity: Apr 19, 1988 → Apr 16, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5419624A | Arrangement for detecting a critical driving torque in a motor vehicle | Emerging Cross-Sectional Technologies | 86 | Expired |
| US6186302A | Motor vehicle clutch | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US5461289A | Drive system for a motor vehicle | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5515937A | Non-trackbound vehicle with an electric transducer | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6033342A | Drive train arrangement for a motor vehicle driven by an internal combustion engine | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6116399A | Friction clutch for a motor vehicle and an operation device for the operation, especially pneumatic operation, of a friction clutch | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6234290A | Actuating installation for pneumatic clutch actuation with overload protection and/or incorrect-operation protection | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4813295A | Fly-wheel unit with disengageable friction device | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6040768A | Arrangement for monitoring the wear status of a friction clutch | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5337866A | Device for monitoring a friction clutch | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5581465A | Process for changing the speed of a vehicle and a system for implementing the process | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5431607A | Drive and braking arrangement for a motor vehicle | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5469928A | Assisted steering system for non-trackbound vehicle | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6540059B2 | Actuation device for a friction clutch in a motor vehicle | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5533583A | Non-trackbound vehicle with an electrodynamic converter and a throttle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6142909A | Device for controlling a starting process of a motor vehicle | Performing Operations; Transporting | 5 | Expired |
| US6575283B2 | Actuation device for a friction clutch | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6540058B2 | Actuation device for a friction clutch in a drivetrain | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5732809A | Motor vehicle transmission having a friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5850899A | Friction clutch for a transmission of a motor vehicle and a clutch disc for a friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5517092A | Rotation speed sensing in a drive arrangement for a motor vehicle | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5957258A | Friction clutch for a motor vehicle | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.