Mark Freeman
7Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Jan 9, 2002 → Jul 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6521021B1 | Thief process for the removal of mercury from flue gas | Emerging Cross-Sectional Technologies | 140 | Expired |
| US8187474B2 | Water-filtering media and filters | Chemistry; Metallurgy | 10 | Active |
| US7425266B2 | Water-filtering media and filters | Chemistry; Metallurgy | 3 | Expired |
| US11231602B2 | Transparent projection screen | Physics | 1 | Active |
| US11380008B2 | Gaze tracking system with contact lens fiducial | Physics | 1 | Active |
| US11561418B2 | Transparent projection screen | Physics | 0 | Active |
| US11551602B2 | Non-uniform resolution, large field-of-view headworn display | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.