Roger E. Walker
11Patents
8h-index
17Co-inventors
69Inventor score
Filing activity: Sep 18, 1979 → Jan 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4639564A | Circuit breaker with arc chamber vent | Electricity | 19 | Expired |
| US4650940A | Circuit breaker with arc gas vent baffle | Electricity | 17 | Expired |
| US4552065A | Printing in register on sheets | Performing Operations; Transporting | 16 | Expired |
| US4962406A | Compact DC/AC circuit breaker with common arc extinguishing capability | Electricity | 14 | Expired |
| US4341299A | Apparatus for performing operations on a stack of sheets | Performing Operations; Transporting | 11 | Expired |
| US6563406B2 | Multi-pole circuit breaker with parallel current | Electricity | 10 | Expired |
| US5861596A | Dual baffle apparatus for electrical switching device | Electricity | 9 | Expired |
| US4307661A | Printer with sheet feeder having registering station and suction conveyor | Performing Operations; Transporting | 9 | Expired |
| US4713635A | Multi-phase circuit breaker with interphase barrier retention | Electricity | 6 | Expired |
| US4709630A | Printing wheel setting and aligning apparatus | Performing Operations; Transporting | 5 | Expired |
| US11086354B1 | Automated retractable information display device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.