Robert C. Hunt
17Patents
12h-index
24Co-inventors
78Inventor score
Filing activity: Sep 15, 1975 → Sep 1, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7091429B2 | Privacy keypad | Emerging Cross-Sectional Technologies | 89 | Expired |
| US8325039B2 | Locking device with embedded circuit board | Emerging Cross-Sectional Technologies | 58 | Active |
| US7984631B2 | Modular escutcheon | Emerging Cross-Sectional Technologies | 54 | Active |
| US5668533A | High security balanced-type, magnetically-actuated proximity switch system | Electricity | 51 | Expired |
| US8495836B2 | Door hardware drive mechanism with sensor | Emerging Cross-Sectional Technologies | 34 | Active |
| US8047582B1 | Electro-mechanical lock | Emerging Cross-Sectional Technologies | 26 | Active |
| US4047099A | Method and apparatus for determining boiler water conductivity | Physics | 24 | Expired |
| US8922370B2 | Locking device with embedded circuit board | Emerging Cross-Sectional Technologies | 24 | Active |
| US7032418B2 | Vertical door locking system | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6271751A | Magnetic lock and status detection system and method therefor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8820803B2 | Electromagnetic lock having distance-sensing monitoring system | Emerging Cross-Sectional Technologies | 12 | Active |
| US9151096B2 | Access control device for a door | Fixed Constructions | 12 | Active |
| US8094017B2 | Electromagnetic lock monitoring system | Emerging Cross-Sectional Technologies | 9 | Active |
| US7334442B2 | Privacy keypad | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9725929B2 | Locking device with embedded circuit board | Emerging Cross-Sectional Technologies | 4 | Active |
| USRE46832E1 | Electromagnetic lock having distance-sensing monitoring system | General | 0 | Active |
| US8966259B2 | Controller-keypad/card reader identification system including card programming and secure communications | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.