John H. Evans
17Patents
13h-index
11Co-inventors
75Inventor score
Filing activity: Jun 2, 1975 → May 20, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4000633A | Locking gas cap with torque override feature | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4000828A | Gas tank cap with roll-over valving | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4177931A | Breakaway gas cap | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5639986A | Airbag igniter and method of manufacture | Performing Operations; Transporting | 29 | Expired |
| US5672843A | Single charge pyrotechnic | Chemistry; Metallurgy | 28 | Expired |
| US4342208A | Locking gas cap with torque override feature | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4185751A | Radiator cap | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4280346A | Torque override threaded locking cap | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4107961A | Locking gas cap with torque override feature | Emerging Cross-Sectional Technologies | 19 | Expired |
| US3985260A | Gas cap with clamp-in roll-over valve | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4280347A | Torque override threaded locking cap | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4527481A | Impact sensitive high temperature detonator | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US3999484A | Delay device having dimpled transfer disc | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4033475A | Roll-over gas cap | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4459140A | Filter apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6345192B1 | Electrode structure for electric contactor | Human Necessities | 3 | Expired |
| US9523103B2 | Apparatus and process for fermentation of biomass hydrolysate | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.