Robert Simpson
15Patents
6h-index
13Co-inventors
63Inventor score
Filing activity: Dec 1, 1976 → Dec 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD641936S1 | Pet blanket | General | 33 | Expired |
| US4431076A | Adjustable collapsible wheelchair | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5440828A | Manual snow removal tool | Performing Operations; Transporting | 25 | Expired |
| US10208665B2 | Methods and systems for energy conversion and generation | Emerging Cross-Sectional Technologies | 10 | Active |
| USD545096S1 | Beverage carton tray | General | 10 | Expired |
| US7653587B2 | Automated account statement generation process | Physics | 6 | Expired |
| US6688364B2 | Sign applique transfer and assembly apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4924574A | Sizing unit for cutting stoma wafers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7641438B2 | Variable-sized molded product tray denesting apparatus | Performing Operations; Transporting | 3 | Expired |
| USRE29912E | Ilex verticillata bush named Winter Red | General | 1 | Expired |
| USD933413S1 | Barbecue cooking apparatus | General | 1 | Active |
| US7533053B2 | Method and apparatus for accommodating quality review in an automated account statement generation process | Physics | 0 | Expired |
| USPP4146P | Ilex verticillata bush named Winter Red | General | 0 | Expired |
| US10986963B1 | Barbecue cooking apparatus | Human Necessities | 0 | Active |
| US10905283B2 | Barbecue cooking apparatus | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.