James Ernst
6Patents
6h-index
7Co-inventors
56Inventor score
Filing activity: Aug 18, 1975 → Oct 24, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5816614A | Tiller assembly for personal mobility vehicles | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6220382A | Powered wheelchair with separating frame | Performing Operations; Transporting | 38 | Expired |
| US6290011A | Front wheel/rear wheel drive convertible wheelchair | Emerging Cross-Sectional Technologies | 27 | Expired |
| US3995903A | Engine lift tool | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7472438B2 | Bariatric transport with improved maneuverability | Human Necessities | 14 | Active |
| US7302722B2 | Bariatric transport with improved maneuverability | Human Necessities | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.