William M. Hopkins
26Patents
13h-index
34Co-inventors
81Inventor score
Filing activity: Jan 16, 1978 → Dec 22, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6498967B1 | Tire initiated vehicle control system | Performing Operations; Transporting | 85 | Expired |
| USD326075S | Tire tread and buttress | General | 70 | Expired |
| USD320966S | Tire tread and buttress | General | 46 | Expired |
| US4823855A | Pneumatic tire tread pattern | Performing Operations; Transporting | 33 | Expired |
| US5002109A | Symmetrical and directional pneumatic tire tread | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5415215A | Asymmetric tire | Performing Operations; Transporting | 30 | Expired |
| USD325012S | Tire tread and buttress | General | 25 | Expired |
| US4953604A | Tread for a unidirectional pneumatic tire | Performing Operations; Transporting | 22 | Expired |
| USD325365S | Tire tread and buttress | General | 19 | Expired |
| US4926919A | Vehicle tire with rib type tread pattern having sipes across the ribs | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4984616A | Front and rear tire tread patterns in a four-wheeled tire/vehicle system | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD308503S | Tire | General | 18 | Expired |
| US5361814A | Asymmetric tire | Performing Operations; Transporting | 17 | Expired |
| US5188685A | Pneumatic radial tire including steel belt cords of 2+2x.30HT construction | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD326439S | Tire tread and buttress | General | 13 | Expired |
| US4177851A | Foldable spare tire | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4722381A | Belt structure having alternating S and Z twist cords | Performing Operations; Transporting | 7 | Expired |
| USD324842S | Tire thread and buttress | General | 7 | Expired |
| USD326440S | Tire tread and buttress | General | 6 | Expired |
| US4688617A | Pneumatic tire | Performing Operations; Transporting | 6 | Expired |
| USD321158S | Tire tread and buttress | General | 5 | Expired |
| USD313776S | Tire | General | 4 | Expired |
| US4238259A | Foldable spare tire | Performing Operations; Transporting | 4 | Expired |
| US6655430B1 | Low pressure tire with a low angle restrictor belt | Performing Operations; Transporting | 3 | Expired |
| USD313775S | Tire | General | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.