Stephen J. Antonishak
31Patents
11h-index
14Co-inventors
72Inventor score
Filing activity: Jul 26, 1996 → Nov 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5944131A | Mid-wheel drive power wheelchair | Emerging Cross-Sectional Technologies | 171 | Expired |
| US6129165A | Curb-climbing power wheelchair | Emerging Cross-Sectional Technologies | 136 | Expired |
| US6199647A | Mid-wheel drive power wheelchair | Emerging Cross-Sectional Technologies | 89 | Expired |
| US6176335A | Power wheelchair | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6000758A | Reclining lift chair | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6640916B2 | Mid-wheel drive power wheelchair | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6186252A | Foldable midwheel drive power chair | Emerging Cross-Sectional Technologies | 71 | Expired |
| US9351889B2 | Elevated height wheelchair | Performing Operations; Transporting | 22 | Active |
| US9808383B2 | Elevated height wheelchair | Performing Operations; Transporting | 18 | Active |
| US7360841B2 | Articulating leg rest for a wheelchair | Emerging Cross-Sectional Technologies | 12 | Expired |
| US9566200B2 | Elevated height wheelchair | Performing Operations; Transporting | 12 | Active |
| US10130532B2 | Elevated height wheelchair | Performing Operations; Transporting | 9 | Active |
| USD787383S1 | Wheelchair housing | General | 5 | Active |
| US10561548B1 | Elevated height wheelchair | Performing Operations; Transporting | 4 | Active |
| US10687997B2 | Elevated height wheelchair | Performing Operations; Transporting | 3 | Active |
| USD801233S1 | Elevated wheelchair | General | 3 | Active |
| US10588797B2 | Elevated height wheelchair | Performing Operations; Transporting | 2 | Active |
| US11141330B2 | Elevated height wheelchair | Performing Operations; Transporting | 1 | Active |
| US11173081B2 | Seat positioning system for a wheelchair | Human Necessities | 1 | Active |
| US10828212B2 | Elevated height wheelchair | Performing Operations; Transporting | 1 | Active |
| US11998495B2 | Elevated height wheelchair | Performing Operations; Transporting | 0 | Active |
| US9809988B2 | Angled pool jet fitting | Fixed Constructions | 0 | Active |
| US11780497B2 | Mobility vehicle | Performing Operations; Transporting | 0 | Active |
| US11571345B2 | Elevated height wheelchair | Performing Operations; Transporting | 0 | Active |
| US11865055B2 | Seat positioning system for a wheelchair | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.