Paul Herchenbach
29Patents
9h-index
25Co-inventors
75Inventor score
Filing activity: Jan 17, 1979 → Jul 16, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4318630A | Locking device for a shaft coupling mechanism | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4257243A | Homokinetic double joint for wide bending angles | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5361850A | Side strut for the lower steering arm of a three-point hitch | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4468206A | Torque-limiting clutch | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4490125A | Lubricated wide angle joint | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5042588A | Lifting strut for a tractor | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4865134A | Adjustable length strut and tractor linkage | Human Necessities | 11 | Expired |
| US5076369A | Length-adjustable upper steering arm for a three-point coupling device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5538474A | Driveshaft length adjusting mechanism with two profiles | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4464077A | Coupling device for drive shafts | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6406375B1 | Protective device for a drive assembly with a double universal joint | Human Necessities | 8 | Expired |
| US5772521A | Protective device for a driveshaft having radial supporting means for the protective cone | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4540305A | Drive shaft assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4338797A | Trishaft telescoping assembly for torque transmission | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4560300A | Disengageable coupling mechanism for a drive shaft assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6966838B2 | Protection arrangement for a joint, especially a double universal joint | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4588323A | Coupling device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5800271A | Protective device for driveshafts having a removable protective cone | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7220075B2 | Coupling device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4917406A | Length-adjustable holding device for the lower steering arm of a three-point coupling device | Human Necessities | 5 | Expired |
| US6616536B2 | Centered double universal joint | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5702306A | Protective device for telescopic shafts | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6354953B1 | Bearing ring for supporting a protective device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7997362B2 | Device for coupling a universal joint shaft with a power take-off shaft of a tractor | Emerging Cross-Sectional Technologies | 3 | Active |
| US8202171B2 | Safety guard for a double universal joint | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.