Jim L. Upshaw
6Patents
5h-index
20Co-inventors
63Inventor score
Filing activity: Aug 13, 1979 → Sep 16, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD262019S | Earphone set | General | 99 | Expired |
| US5313971A | Crutch sling leg support apparatus and method | Human Necessities | 14 | Expired |
| US4884489A | High performance electromagnetic railgun launcher | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5360999A | Explosively actuated thermal opening switch | Electricity | 9 | Expired |
| US8699302B2 | Electromagnetic seismology vibrator systems and methods | Physics | 5 | Active |
| US8995232B2 | Electromagnetic seismic vibrator architecture | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.