John C. Humphreys
10Patents
4h-index
5Co-inventors
53Inventor score
Filing activity: Oct 4, 1978 → May 1, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7520098B1 | Stepped tile shingle | Fixed Constructions | 27 | Expired |
| US7140153B1 | Synthetic roofing shingles | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4220104A | Hosiery | Textiles; Paper | 9 | Expired |
| US7563478B1 | Synthetic roofing shingles | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4321881A | Method and apparatus for inserting a gusset in panti-hose | Textiles; Paper | 4 | Expired |
| US5129337A | Apparatus for loading a line closing machine | Textiles; Paper | 4 | Expired |
| US9377310B2 | Mapping and positioning system | Physics | 4 | Active |
| US4524705A | Spade gusset seaming apparatus | Textiles; Paper | 3 | Expired |
| US5402733A | Stocking positioning device | Textiles; Paper | 3 | Expired |
| US4899676A | Automatic flat seaming apparatus | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.