Erwin F'Geppert
43Patents
10h-index
—Co-inventors
58Inventor score
Filing activity: Nov 22, 1974 → Jan 13, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4531847A | Shaft-mounted equipments | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4596540A | Drive belt construction | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4449621A | Segmented clutch plates | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4149430A | Brake for ball screw | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4316678A | Means for securing two elements against relative axial movement | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4726788A | Electrical receptacle | Electricity | 20 | Expired |
| US4679459A | Concave-convex gear pair having staggered teeth | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4266591A | Locking connector | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3976172A | Brake | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4091901A | Pump lock-up power transmission | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4040686A | Anti-friction bearing | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4678224A | Prevention of particulate accumulations on observation windows in military vehicles | Performing Operations; Transporting | 10 | Expired |
| US3938815A | Chuck having jaw counterbalance mechanism | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4132298A | Transmission synchronizer | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4310146A | Motor-driven winch having internal speed reducer | Performing Operations; Transporting | 8 | Expired |
| US4395062A | Cover hold down mechanism | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4486479A | Hollow three dimensional air-inflatable structures | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4069718A | Speed change device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4272998A | Drive mechanism | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4044620A | Transmission | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4165081A | Constant force face seal | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4006646A | Anti-friction worm and wheel drive | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4596404A | Outrigger power mechanism | Fixed Constructions | 4 | Expired |
| US4362326A | Disconnectable coupling | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4569427A | Shaft coupling device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.