John J. Simmons
17Patents
11h-index
10Co-inventors
69Inventor score
Filing activity: Aug 22, 1977 → Feb 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5605144A | Heating garment with pouch for accommodating inserted heating packets | Human Necessities | 113 | Expired |
| US4465017A | Seed coating machine | Emerging Cross-Sectional Technologies | 111 | Expired |
| US5302806A | Heated vest with pouches for accommodating inserted heating packets | Human Necessities | 81 | Expired |
| US4354942A | Stabilization of mercury in mercury-containing materials | Emerging Cross-Sectional Technologies | 64 | Expired |
| US7919064B2 | Capture and sequestration of carbon dioxide in flue gases | Emerging Cross-Sectional Technologies | 35 | Active |
| US4705533A | Utilization of low rank coal and peat | Chemistry; Metallurgy | 23 | Expired |
| US5887284A | Removable anterior sweatband assembly for a cap or hat | Human Necessities | 22 | Expired |
| US4334460A | Cap for a chimney | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4959154A | Method for oil spill cleanup | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6792624B2 | Temperature regulating cap | Human Necessities | 14 | Expired |
| US5244472A | Preparation of chemically dried cellulosic fuel | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4800015A | Utilization of low rank coal and peat | Chemistry; Metallurgy | 11 | Expired |
| US5899639A | Offshore structure for extreme water depth | Fixed Constructions | 6 | Expired |
| US8906131B2 | Direct production of iron slabs and nuggets from ore without pelletizing or briquetting | Emerging Cross-Sectional Technologies | 3 | Active |
| US4137752A | Leak-testing method for diaphragm-type electrolytic cells | Physics | 1 | Expired |
| US11542420B2 | Oil spill sorbent | Performing Operations; Transporting | 0 | Active |
| US10357142B1 | Misty mat system | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.