Dieter Goppelt
15Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Apr 14, 1976 → Aug 17, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4792322A | Chain tightener | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US4790801A | Mechanic-hydraulic actuating element for a belt tightener | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4772251A | Novel chain tightener assembly | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5829399A | Pressure fluid supply system for a variable camshaft adjustment | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4782799A | Self-adjusting hydraulic valve tappet | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6418897B1 | Device for adjusting the angle of rotation of a camshaft | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5727508A | Pressure medium sealing in a camshaft adjusting device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4081204A | Ball bearings and ball races | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4854922A | Belt tensioning device | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4969858A | Tensioning device for belts | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4721076A | Self-adjusting hydraulic valve tappet | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6089198A | Device for varying the opening and closing times of gas exchange valves of an internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5970930A | Device for changing the opening and closing times of the gas-exchange valves in an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4902268A | Belt tensioning device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5803032A | Pressure medium sealing in a camshaft adjusting device | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.