William C. Fischer
30Patents
12h-index
11Co-inventors
74Inventor score
Filing activity: Jan 24, 1979 → Jul 13, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4965879A | X-wing fly-by-wire vehicle management system | Physics | 51 | Expired |
| US4953098A | Higher harmonic control system for X-Wing aircraft | Performing Operations; Transporting | 38 | Expired |
| US4890284A | Backup control system (BUCS) | Physics | 27 | Expired |
| US4279391A | Desensitizing helicopter control response to inadvertent pilot inputs | Physics | 18 | Expired |
| US4599698A | Aircraft trim actuator shutdown monitor system and method | Physics | 17 | Expired |
| US4330829A | Helicopter flight stability control induced oscillation suppression | Physics | 17 | Expired |
| US4626998A | Heading reference trim system | Physics | 16 | Expired |
| US4534702A | Pneumatic control valve actuator computer control arrangement | Performing Operations; Transporting | 16 | Expired |
| US4371937A | Retaining airspeed hold engagement in low speed maneuver | Physics | 15 | Expired |
| US4484283A | Aircraft roll-yaw fault protocols | Physics | 14 | Expired |
| US4371939A | Roll attitude inhibit of aircraft coordinated turn disengagement | Physics | 14 | Expired |
| US4392203A | Aircraft coordinated turn with lagged roll rate | Physics | 13 | Expired |
| US4313201A | Tested, dissimilar helicopter stability augmentation | Physics | 12 | Expired |
| US4383299A | Command-inhibited aircraft attitude reference adjustment | Physics | 11 | Expired |
| US4387432A | Pulsed aircraft actuator | Physics | 9 | Expired |
| US4371938A | Automatic airspeed engage/disengage | Physics | 9 | Expired |
| US4385356A | Non-saturating airspeed/attitude controls | Physics | 9 | Expired |
| US4594714A | Dual-actuator monitor | Physics | 9 | Expired |
| US4371936A | Attitude trimmed airspeed/attitude controls | Physics | 8 | Expired |
| US4966526A | Mechanically actuated slot for circulation control rotor | Performing Operations; Transporting | 8 | Expired |
| US4477876A | Dual response aircraft reference synchronization | Physics | 7 | Expired |
| US4385355A | Automatic outer loop centering of aircraft inner loop | Physics | 7 | Expired |
| US4592055A | Outer-loop monitor for aircraft automatic flight control system | Physics | 6 | Expired |
| US4387430A | Pitch stick force inhibit of aircraft automatic outer loop | Physics | 5 | Expired |
| US4387431A | Roll attitude inhibit of aircraft automatic outer loop | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.