Robert Grennan
8Patents
5h-index
10Co-inventors
60Inventor score
Filing activity: Dec 11, 1989 → Mar 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5994804A | Air cooled dynamoelectric machine | Electricity | 53 | Expired |
| US5069692A | Fully integrated inert gas and oxidizer replenishment system | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6091168A | Rotor for a dynamoelectric machine | Electricity | 32 | Expired |
| US5125806A | Integrated variable speed compressor drive system | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6215212A | Shaftless rotor construction | Electricity | 9 | Expired |
| US6854955B2 | Internal lubrication screw pump for hollow shaft | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US11682281B2 | Security system and apparatus | Physics | 0 | Active |
| US11393311B2 | Security system and apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.