Robert C. Crane
15Patents
8h-index
14Co-inventors
69Inventor score
Filing activity: Aug 15, 1977 → Jul 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD615220S1 | Light bulb | General | 68 | Expired |
| USD606229S1 | Strip light | General | 44 | Expired |
| US4170401A | Passive error compensating device for optical alignment | Physics | 34 | Expired |
| US4743114A | Fabry-Perot scanning and nutating imaging coherent radiometer | Physics | 24 | Expired |
| USD658628S1 | Radio | General | 22 | Expired |
| USD466886S1 | Pillow speaker | General | 15 | Expired |
| USD483024S1 | Transmitter | General | 14 | Expired |
| USD719130S1 | Radio | General | 12 | Active |
| US4735507A | Imaging coherent radiometer | Physics | 7 | Expired |
| USD863251S1 | Radio | General | 5 | Active |
| USD874441S1 | Softspeaker cover | General | 5 | Active |
| USD878324S1 | In-line amplifier | General | 2 | Active |
| USD960860S1 | Radio knob | General | 2 | Active |
| US11382448B1 | Plant mixture processing systems | Performing Operations; Transporting | 1 | Active |
| US12156605B1 | Plant mixture processing systems | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.