David B. Cope
11Patents
5h-index
9Co-inventors
59Inventor score
Filing activity: Jan 23, 1989 → May 12, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6876284B2 | High intensity radial field magnetic array and actuator | Electricity | 15 | Expired |
| US7394173B2 | Direct drive controller with haptic feedback | Electricity | 11 | Expired |
| US7352268B2 | High intensity radial field magnetic actuator | Electricity | 10 | Expired |
| US6828890B2 | High intensity radial field magnetic array and actuator | Electricity | 8 | Expired |
| US8387945B2 | Method and system for a magnetic actuator | Electricity | 5 | Active |
| US7800470B2 | Method and system for a linear actuator with stationary vertical magnets and coils | Electricity | 5 | Active |
| US4903343A | Magnetic digital data storage system | Physics | 3 | Expired |
| US8514170B2 | Magnetic display for watches | Physics | 3 | Active |
| US7728463B2 | Reluctance laminations for a motor assembly | Electricity | 2 | Active |
| US8085119B2 | Flexible electromagnetic valve actuator modeling and performance | Electricity | 2 | Active |
| US10411665B2 | Resonant cavity combined solid state amplifier system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.