Philip Rolla
8Patents
2h-index
2Co-inventors
41Inventor score
Filing activity: Feb 28, 1994 → Jan 26, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5439403A | Marine tractor surface drive system | Performing Operations; Transporting | 9 | Expired |
| US8187046B2 | Marine power splitting gearbox | Performing Operations; Transporting | 4 | Active |
| US9242710B2 | Trimmable rudder | Performing Operations; Transporting | 2 | Active |
| US8696318B2 | Stepped surface propeller | Performing Operations; Transporting | 1 | Active |
| US8668533B2 | Waterjet propulsion system and method for a marine vehicle | Performing Operations; Transporting | 1 | Active |
| US8795008B2 | Two-into-two or one hybrid power device for a marine vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US9096299B2 | Rooster tail suppression apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US9889918B2 | Trimmable rudder | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.