John L. Johnson
68Patents
18h-index
42Co-inventors
84Inventor score
Filing activity: Sep 10, 1975 → Jun 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4923263A | Rotating mirror optical scanning device | Physics | 67 | Expired |
| US5452126A | Lightweight binocular telescope | Physics | 38 | Expired |
| US4770180A | Electroencephalographic head set with a disposable monitor | Human Necessities | 33 | Expired |
| US3957133A | Muffler | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US7552074B2 | System and method for managing account addresses | Physics | 29 | Active |
| US4206726A | Double orifice piston cooling nozzle for reciprocating engines | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4624563A | Wide field of view remote laser position sensor | Physics | 27 | Expired |
| US5589604A | Expression of human protein C in mammary tissue of transgenic mammals | Chemistry; Metallurgy | 27 | Expired |
| US5523222A | Polyelectrolyte DNA conjugation and genetic transformation of an animal | Human Necessities | 25 | Expired |
| US7490625B1 | Pilot valve manifold | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5507261A | Four cycle engine with two cycle compression braking system | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4163477A | Method and apparatus for closing underwater wells | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4706679A | Disposable monitor for an EEG head set | Human Necessities | 22 | Expired |
| US4128209A | Air gun | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5495838A | Compression braking system | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4626100A | Wide field of view two-axis laser locator | Physics | 19 | Expired |
| US5390712A | Fuel dispensing and vapor recovery nozzle | Performing Operations; Transporting | 19 | Expired |
| US6435010B1 | Leak detection system | Physics | 19 | Expired |
| USD327689S | Graphic equalizer | General | 15 | Expired |
| US6344596B1 | Expression of active human factor IX in mammary tissue and of milk non human transgenic mammals | Human Necessities | 15 | Expired |
| US5469900A | Fuel dispensing nozzle having hold-open clip with lockout mechanism | Performing Operations; Transporting | 13 | Expired |
| US5423114A | Tool for manually dismantling pallets | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5720249A | Apparatus and method for burning spent lubricating oil in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5327949A | Fuel dispensing nozzle | Performing Operations; Transporting | 12 | Expired |
| US4804250A | Optical processor for an adaptive pattern classifier | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.