Peter Frey
28Patents
8h-index
54Co-inventors
78Inventor score
Filing activity: Jun 12, 1978 → May 29, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7581951B2 | Dental treatment element | Human Necessities | 58 | Expired |
| US4377165A | Cannula needle for catheter | Human Necessities | 37 | Expired |
| US6915886B2 | Bridging clutch | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US7073646B2 | Torsional vibration damper | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7143879B2 | Torsional vibration damper | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5022795A | Cutting rotor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6435998B1 | Drive train with rigidity dependent on rotational speed | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6471021B1 | Hydrodynamic coupling device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6725988B2 | Hydrodynamic clutch device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6758315B2 | Hydraulic clutch with a turbine torsional vibration damper | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7984800B2 | Hydrodynamic clutch device | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6832672B2 | Hydraulic clutch with a turbine torsional vibration damper | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4890035A | Discharge electrode with microstructure surface | Electricity | 6 | Expired |
| US6796411B2 | Hydrodynamic clutch device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6837348B2 | Hydrodynamic clutch device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US10995818B2 | Torque-transmission device | Emerging Cross-Sectional Technologies | 3 | Active |
| US9777817B2 | Clutch device with a friction transmission element | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6702079B2 | Hydrodynamic clutch arrangement | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7699150B2 | Hydrodynamic clutch device | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6640946B2 | Hydrodynamic clutch arrangement | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9175760B2 | Starting element with hydrodynamic torque converter | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8042666B2 | Hydrodynamic clutch device | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6361240B1 | Connection arrangement for a hydrodynamic torque converter | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9080541B2 | Guide pin for a starting element | Emerging Cross-Sectional Technologies | 1 | Active |
| US6837349B2 | Hydrodynamic clutch, particularly torque converter | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.