Charles Stewart
14Patents
6h-index
16Co-inventors
63Inventor score
Filing activity: Jan 31, 1980 → Apr 19, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4424038A | Inflight aircraft training system | Physics | 44 | Expired |
| US10013062B1 | Fluid-actuated haptic feedback jamming device for movement restriction in haptic devices | Physics | 18 | Active |
| US10474236B1 | Haptic device for variable bending resistance | Physics | 16 | Active |
| US11009959B1 | Haptic vibrotactile actuators on inflatable bladders and related systems and methods | Physics | 7 | Active |
| US10546471B1 | Pneumatically controlled haptic mechanisms for haptic feedback | Human Necessities | 7 | Active |
| US11011033B1 | Haptic vibrotactile actuators on textiles and related systems and methods | Electricity | 6 | Active |
| US11112868B1 | Haptic device for variable bending resistance | Physics | 5 | Active |
| US7650698B2 | Visual driving aid | Performing Operations; Transporting | 5 | Active |
| US10540870B1 | Pneumatically controlled haptic mechanisms with curling internal structures for haptic feedback | Human Necessities | 4 | Active |
| US10372219B1 | Pneumatically controlled haptic mechanisms with nested internal structures for haptic feedback | Physics | 4 | Active |
| US11069207B2 | Pneumatically controlled haptic mechanisms for haptic feedback | Human Necessities | 3 | Active |
| US11842626B1 | Vibrotactile actuators on textiles and related systems and methods | Electricity | 0 | Active |
| US11740697B1 | Vibrotactile devices, systems, and related methods | Electricity | 0 | Active |
| US11500465B1 | Systems including vibrotactile actuators and inflatable bladders, and related methods | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.