John Ellis
6Patents
3h-index
3Co-inventors
50Inventor score
Filing activity: Jun 25, 1981 → Dec 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4455171A | Reactivatable set-inhibited cementitious compositions | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5291909A | Universal walker leg support device | Human Necessities | 15 | Expired |
| US4395162A | Cartridge for use in anchor bolting | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4399911A | Cartridge for use in anchor bolting | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4558781A | Cartridge for use in anchor bolting | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| USD923279S1 | Crash barrel lifting basket | General | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.