James Ritchie
12Patents
6h-index
14Co-inventors
59Inventor score
Filing activity: Feb 20, 1998 → Jan 13, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6371503B1 | Wheelchair automatic anti-rollback assembly | Performing Operations; Transporting | 14 | Expired |
| US6092824A | Wheelchair automatic anti-rollback assembly | Performing Operations; Transporting | 13 | Expired |
| US6279936A | Wheelchair automatic anti-rollback assembly | Performing Operations; Transporting | 9 | Expired |
| US7585013B2 | Integrated hinge and temporary door checker | Emerging Cross-Sectional Technologies | 6 | Active |
| US7946017B2 | Integrated hinge and temporary door checker | Emerging Cross-Sectional Technologies | 6 | Active |
| US6963286B2 | Wheelchair and alarm therefor | Human Necessities | 6 | Expired |
| US7735195B2 | Integrated hinge and temporary door checker | Emerging Cross-Sectional Technologies | 4 | Active |
| US7430785B2 | Integrated hinge and temporary door checker | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7849561B2 | Integrated hinge and temporary door checker | Emerging Cross-Sectional Technologies | 2 | Active |
| US10010776B2 | Clamping assembly for an auxiliary roller assembly for a sports goal | Human Necessities | 1 | Active |
| US9889365B2 | Auxiliary roller assembly for a sports goal | Human Necessities | 1 | Active |
| US8780277B2 | Television receiver, television controller circuitry and method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.