Helmut Ott
17Patents
10h-index
11Co-inventors
69Inventor score
Filing activity: Dec 14, 1978 → Mar 29, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4452267A | Pressure regulating valve | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4345620A | Safety valve assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4353392A | Safety valve assembly | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7770974B2 | Height adjustment device of a vehicle seat and a vehicle seat fitted with it | Performing Operations; Transporting | 12 | Active |
| US4565209A | Pressure regulating valve with feedback control | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4432391A | Impulse valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4371178A | Sealing arrangement, particularly for sealing valve piston relative to valve housing | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4269225A | Safety valve assembly | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5794588A | Drive unit with an engine and a retarder | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4748896A | Safety valve assembly | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4706548A | Two-hand safety control mechanism | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5400821A | Directional control valve | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4840198A | Control valve | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4254798A | Directional control valve | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10071716B2 | Hydraulic system for a hydrodynamic machine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US5743232A | Drive unit with an engine and a retarder | Performing Operations; Transporting | 1 | Expired |
| US10570972B2 | Hydraulic system for a hydrodynamic machine | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.