David McKenzie
8Patents
4h-index
13Co-inventors
54Inventor score
Filing activity: Jun 3, 1977 → Oct 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4309261A | Method of and apparatus for reactively sputtering a graded surface coating onto a substrate | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4128466A | Method and apparatus for reactive sputtering | Chemistry; Metallurgy | 17 | Expired |
| US4901144A | Video endoscope aperture wheel drive system | Human Necessities | 4 | Expired |
| US7663123B2 | Fibre optic dosimeter | Physics | 4 | Active |
| US8344335B2 | Fibre optic dosimeter | Physics | 1 | Active |
| US8119979B2 | Fibre optic dosimeter | Physics | 1 | Active |
| US10807741B2 | Internal wire-triggered pulsed cathodic arc propulsion system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12237150B2 | Plasma ion processing of substrates | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.