Paul Simpson
9Patents
4h-index
8Co-inventors
50Inventor score
Filing activity: Aug 5, 1974 → Aug 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3937148A | Virtually zero power linear magnetic bearing | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5140922A | Lift for a watercraft | Performing Operations; Transporting | 24 | Expired |
| US4790550A | Scooter | Human Necessities | 13 | Expired |
| USD565688S1 | Golf pitch mark repairer | General | 4 | Expired |
| USD301594S | Scooter | General | 2 | Expired |
| US8889788B2 | Dispersions of polyurethanes, their preparation and use | Emerging Cross-Sectional Technologies | 1 | Active |
| US7475535B2 | Diesel aftertreatment systems | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11850835B2 | Production of composite materials made of film, solid adhesive polymer, and a polyurethane layer | Chemistry; Metallurgy | 0 | Active |
| US7713135B2 | Golf pitch mark repairer | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.