Christopher Williams
21Patents
7h-index
25Co-inventors
69Inventor score
Filing activity: Aug 26, 1976 → Nov 19, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9737419B2 | Biomimetic transfemoral prosthesis | Human Necessities | 34 | Active |
| US9839552B2 | Powered joint orthosis | Human Necessities | 33 | Active |
| US9687377B2 | Terrain adaptive powered joint orthosis | Human Necessities | 33 | Active |
| US6471480B1 | Thin walled cooled hollow tip shroud | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5498139A | Brush seal | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4085630A | Apparatus for adjusting condition of metal of saws | Performing Operations; Transporting | 10 | Expired |
| US4875393A | Apparatus for tensioning and deforming saw blades | Performing Operations; Transporting | 8 | Expired |
| US5048236A | Saw blade tooth grinder for saws | Performing Operations; Transporting | 5 | Expired |
| US4768312A | Rail grinding machine | Fixed Constructions | 3 | Expired |
| US5535181A | Permanent magnet device for selectively inverting a magnetic bias field for magneto-optic recording | Physics | 2 | Expired |
| US5619479A | Translational bias-field device for a magneto-optical system | Physics | 2 | Expired |
| US5768220A | Motorless bias-field device and method having magnetic coupling between a magnetic and the recording element for inverting the magnetic field | Physics | 2 | Expired |
| US10835408B2 | Powered method for augmenting a joint function of a human | Human Necessities | 1 | Active |
| US5909411A | Magnetically coupled apparatus for inverting a bias field for magneto-optic recording and erasing | Physics | 1 | Expired |
| US11419747B2 | Terrain adaptive powered joint orthosis | Human Necessities | 1 | Active |
| US5710747A | Dual coil, translational bias-field device for a magneto-optical system | Physics | 0 | Expired |
| US6044042A | Method and apparatus for inverting a bias field for magneto-optic recording and erasing | Physics | 0 | Expired |
| US6134193A | Translational, bias-field device for a magneto-optical system | Physics | 0 | Expired |
| US10443389B2 | Turbine blade having improved flutter capability and increased turbine stage output | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11612987B1 | Tool-less vise jaw system | Performing Operations; Transporting | 0 | Active |
| US11883305B2 | Computer-controlled ankle-foot prosthesis with series J-spring actuation | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.