John T. Higgins
8Patents
5h-index
4Co-inventors
56Inventor score
Filing activity: Oct 12, 1976 → Aug 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4330319A | Manufacture of urea sulfur fertilizer | Chemistry; Metallurgy | 31 | Expired |
| US5003868A | Food processing apparatus | Physics | 17 | Expired |
| US4389356A | Sulfur prilling | Chemistry; Metallurgy | 11 | Expired |
| US4234318A | Process for granulation of sulfur | Chemistry; Metallurgy | 9 | Expired |
| USD603156S1 | Refillable pill card for wallet | General | 6 | Expired |
| US4072024A | Recovery of ammonia from underground storage | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4153431A | Process and apparatus for cleaning prilling tower effluent | Performing Operations; Transporting | 2 | Expired |
| USD895218S1 | Pet waste bag with mouth | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.