Joseph L. Johnson
8Patents
7h-index
5Co-inventors
56Inventor score
Filing activity: Feb 26, 1975 → Mar 21, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7115097B2 | Positive airway pressure notification system for treatment of breathing disorders during sleep | Human Necessities | 61 | Expired |
| US4014386A | Subsurface safety valve apparatus | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4931286A | High gloss cellulose tablet coating | Human Necessities | 14 | Expired |
| US4320657A | Particulate flowmeter | Physics | 12 | Expired |
| US4625941A | Gas lift valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US3978922A | Gas storage well safety valve apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7464763B2 | Method of injecting lift gas and gas lift flow control device | Fixed Constructions | 7 | Expired |
| US4572052A | Declipper/feeder | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.