Inventor

Sinclair Cunningham

22Patents
9h-index
8Co-inventors
68Inventor score

Filing activity: Mar 19, 1969 → Apr 22, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
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.