Sinclair Cunningham
22Patents
9h-index
8Co-inventors
68Inventor score
Filing activity: Mar 19, 1969 → Apr 22, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4073247A | Automatic machines | Physics | 29 | Expired |
| US4200052A | Systems for controlling the position of a moored floating vessel | Physics | 26 | Expired |
| US4807519A | Piston machine with changeable displacement | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4180171A | Cranes | Performing Operations; Transporting | 14 | Expired |
| US5090295A | Radial piston engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4704948A | Radial piston machine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4747339A | Radial piston machine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5179889A | Radial piston engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4043255A | Cam follower piston | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6675575B1 | Hydrostatic drive | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4048906A | Low-stress cam-driven piston machines | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4953524A | Radial piston engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4346645A | Hydraulic axial piston engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6662557B1 | Hydrostatic traveling mechanism | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5099964A | Multiple disc brake | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4527460A | Radial piston machine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6494127B1 | Radial piston engine with guide rollers | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6443047B1 | Radial piston engine with roller guides | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4610195A | Piston for a hydraulic piston machine of the multiple displacement type | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6843162B2 | Radial piston engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6347571B1 | Radial piston motor with friction brake | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7431684B2 | Centrifuge comprising hydraulic differential speed determination | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.