Gregory E. Williams
12Patents
7h-index
23Co-inventors
66Inventor score
Filing activity: Jan 4, 1990 → Feb 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6118243A | Door operator system | Fixed Constructions | 87 | Expired |
| US5017206A | Method of providing a 1xN fiber optic coupler | Physics | 26 | Expired |
| US7228033B2 | Optical waveguide lens and method of fabrication | Physics | 25 | Expired |
| US5221869A | Motor assembly for chain-drive garage door operator | Fixed Constructions | 15 | Expired |
| US5243784A | Limit switch arrangement for garage door operator | Fixed Constructions | 11 | Expired |
| US5664372A | Clutchless screw drive door operator | Fixed Constructions | 10 | Expired |
| US5568704A | Clutchless screw drive door operator | Fixed Constructions | 9 | Expired |
| US4983195A | Method of making fiber optic coupler with longitudinal protrusions | Physics | 7 | Expired |
| US6449033B2 | Apparatus and method for measuring polarization dependent loss | Physics | 6 | Expired |
| US11643861B2 | Release mechanism for a door operator | Fixed Constructions | 2 | Active |
| US11578525B2 | Door operator with isolated components | Fixed Constructions | 1 | Active |
| US10510122B2 | Data-driven concepts for processing claims | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.