John Thomas
29Patents
16h-index
41Co-inventors
81Inventor score
Filing activity: Oct 23, 1975 → Oct 11, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5879827A | Catalyst for membrane electrode assembly and method of making | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5273610A | Apparatus and method for determining power in plasma processing | Electricity | 131 | Expired |
| US6040077A | Catalyst for membrane electrode assembly and method of making | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5057185A | Triode plasma reactor with phase modulated plasma control | Electricity | 77 | Expired |
| US7130624B1 | System and method for destabilizing improvised explosive devices | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US4576829A | Low temperature growth of silicon dioxide on silicon | Electricity | 46 | Expired |
| US4526341A | Pneumatic shut-off valve | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6944272B1 | Method and system for administering multiple messages over a public switched telephone network | Electricity | 33 | Expired |
| US6499679B1 | Granular spreader and product container | Human Necessities | 30 | Expired |
| US5234193A | Rotary plug valve with seat seal | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4369813A | Pipe stopper method and apparatus | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6482763B2 | Suboxide fuel cell catalyst for enhanced reformate tolerance | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6588685B2 | Granular spreader | Human Necessities | 22 | Expired |
| US3994289A | Acupressure instrument | Human Necessities | 17 | Expired |
| US4643848A | Modified rosin ester preparation | Chemistry; Metallurgy | 16 | Expired |
| US4054484A | Method of forming crossover connections | Electricity | 16 | Expired |
| US6851634B2 | Granular spreader and product container | Human Necessities | 13 | Expired |
| US4513779A | Metering valve | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5164446A | Modified rosin esters and their use in printing inks | Chemistry; Metallurgy | 7 | Expired |
| US7687176B2 | Fuel cell | Emerging Cross-Sectional Technologies | 6 | Active |
| US5166257A | Modified rosin esters and their use in printing inks | Chemistry; Metallurgy | 5 | Expired |
| US5166258A | Modified rosin esters and their use in printing inks | Chemistry; Metallurgy | 4 | Expired |
| US5166262A | Modified rosin esters and their use in printing inks | Chemistry; Metallurgy | 3 | Expired |
| US5166256A | Modified rosin esters and their use in printing inks | Chemistry; Metallurgy | 3 | Expired |
| US11072890B2 | Brown stock wash control | Textiles; Paper | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.