Thomas J. Johnston
23Patents
10h-index
14Co-inventors
72Inventor score
Filing activity: May 29, 1979 → Aug 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5232424A | Back and stomach support device | Human Necessities | 38 | Expired |
| USD302766S | Combined purse and radio | General | 26 | Expired |
| US4333813A | Cathodes for alumina reduction cells | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD302903S | Combined beach bag and radio | General | 23 | Expired |
| US5277680A | Therapeutic leveraging device | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5302171A | Back and stomach support device | Human Necessities | 21 | Expired |
| USD346684S | Infusion packet | General | 14 | Expired |
| US6240567A | Disposable safety hood having unique air supply connector | Human Necessities | 14 | Expired |
| US7155988B2 | Dual air particle sample cassette | Physics | 11 | Expired |
| USD718557S1 | Double storage rack | General | 10 | Active |
| USD713180S1 | Storage rack | General | 8 | Active |
| USD456115S1 | Vest with cooling member attachments | General | 8 | Expired |
| US9044086B1 | Modular storage rack system | Human Necessities | 8 | Active |
| US5178463A | Method of and apparatus for measuring coolant quenching rates | Physics | 6 | Expired |
| US6012175A | Disposable safety hood with filtered ventilation tube | Human Necessities | 5 | Expired |
| USD264215S | Dispensing head for particulate material | General | 5 | Expired |
| USD511822S1 | Dual air particle sample cassette | General | 4 | Expired |
| USD954261S1 | Device for nasal cavity cleaning and application of essential oils | General | 3 | Active |
| US4491471A | Composite pellet for use as a carbothermic reduction feed | Chemistry; Metallurgy | 2 | Expired |
| US4450063A | Probe for alumina concentration meter | Physics | 2 | Expired |
| UST993002I4 | Refractory surfaces for alumina reduction cell cathodes and methods for providing such surfaces | General | 2 | Expired |
| USD452330S | Manhole shield retainer | General | 1 | Expired |
| US7574928B1 | Dual air particle sample cassette and methods for using same | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.