George MacDonald
4Patents
4h-index
2Co-inventors
40Inventor score
Filing activity: Oct 3, 1994 → Apr 25, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5639098A | Adjustable seal for propeller drive shaft | Performing Operations; Transporting | 36 | Expired |
| US6866271B2 | Marine shaft seal with lip seal, bearing and gasket | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6039320A | Adjustable seal for propeller drive shaft | Performing Operations; Transporting | 15 | Expired |
| US9393510B2 | Louver device for removing moisture and dust | Human Necessities | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.