John D. Hull
9Patents
6h-index
17Co-inventors
56Inventor score
Filing activity: Feb 3, 1986 → Oct 12, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4673334A | Peristaltic pump | Mechanical Engineering; Lighting; Heating | 155 | Expired |
| US5996427A | Liquid sample storage device | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5789684A | Liquid sample storage device | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6116580A | Reversible winch ratchet mechanism | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6481740B1 | Ball and socket trailer hitch assembly | Performing Operations; Transporting | 11 | Expired |
| US6263747A | Remote installation method and tool | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6152189A | Sampler | Physics | 5 | Expired |
| US6790674B2 | Sampler | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6494331B1 | Sampler | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.