Philip Watson
8Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: May 13, 1983 → Oct 30, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7007753B2 | Top drive swivel apparatus and method | Mechanical Engineering; Lighting; Heating | 103 | Expired |
| US7249632B2 | Top drive swivel apparatus and method | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4525124A | Balanced stress vertical axis wind turbine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6955224B2 | Casing alignment tool | Fixed Constructions | 4 | Expired |
| US8798947B2 | Apparatus and method for measuring charge density distribution | Physics | 2 | Active |
| US7845408B2 | Top drive swivel apparatus and method | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7500518B2 | Top drive swivel apparatus and method | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9915748B2 | Target position, movement and tracking system | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.