Pierre Gerlach
12Patents
4h-index
7Co-inventors
49Inventor score
Filing activity: Dec 17, 1974 → Nov 16, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4563609A | Directly-heated cathodes | Electricity | 8 | Expired |
| US4644217A | Electron tube with a device for cooling the grid base | Electricity | 5 | Expired |
| US4639633A | Electron tube with cathode cooling device | Electricity | 4 | Expired |
| US3943398A | Electronic tube with cylindrical electrodes | Electricity | 4 | Expired |
| US4017760A | Parasitic oscillation suppressor for electronic tubes | Electricity | 4 | Expired |
| US3995188A | Grid for an electronic tube | Electricity | 3 | Expired |
| US4311975A | Frequency band filter | Electricity | 2 | Expired |
| US5099332A | Grid tube with increased efficiency | Electricity | 2 | Expired |
| US4571525A | Resonant coaxial cavities for a grid vacuum tube | Electricity | 2 | Expired |
| US4245379A | Method of fabrication of flat grids of pyrolitic graphite for electron tubes | Electricity | 0 | Expired |
| US4302705A | Capacitive coupling device for an electron tube | Electricity | 0 | Expired |
| US5166575A | Grid tube with coupled-cavity output, with coupling element integral with said tube | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.