Hubert Geisthoff
35Patents
11h-index
10Co-inventors
68Inventor score
Filing activity: Sep 9, 1974 → Oct 10, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4437782A | Splined hub assembly for connecting two shafts | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4960344A | Locking mechanism for fixing an outer part on an inner part | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4639163A | Driveline coupling with safety interlock mechanism | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4417650A | Safety clutch | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US4799817A | Double hookes joint | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4566570A | Overload clutch | Human Necessities | 25 | Expired |
| US4075873A | Free-wheeling overload coupling | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4075872A | Telescoping torque transmitting shaft | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4107952A | Protective guard assembly for a universal joint | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US3961677A | Device for connecting a power transmission shaft of an agricultural implement, machine or the like to a tractor power take-off shaft | Human Necessities | 13 | Expired |
| US4295389A | Adjustable length upper guide member | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5267904A | Hooks universal joint having supporting member | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4349092A | Device for coupling and uncoupling a universal joint shaft | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4900181A | Locking device for connecting a driveshaft to a power take-off shaft | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4236388A | Separable three-section telescopic drive shaft | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5054594A | Pawl freewheel clutch | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4437553A | Freewheeling clutch assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4639162A | Drawing lock for torque transmitting engagement between two shaft members arrestable in the open position | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4460077A | Overload clutch assembly | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4226316A | Torque limiting clutch assembly with freewheeling action | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4126057A | Adjustable length upper guide member | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4540305A | Drive shaft assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4802326A | Overload coupling for protecting drive trains especially on agricultural machines | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4607538A | Angular torque transmission mechanism | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4146246A | Three point linkage | Human Necessities | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.