James C. Smith
55Patents
23h-index
31Co-inventors
88Inventor score
Filing activity: Aug 25, 1976 → Oct 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6145688A | Closure device for containers | Emerging Cross-Sectional Technologies | 135 | Expired |
| US7335337B1 | Ergonomic pipette tip and adapters | Physics | 111 | Expired |
| US6375028B1 | Closure device for containers | Emerging Cross-Sectional Technologies | 103 | Expired |
| US5770160A | Positive displacement liquid drawing and dispensing apparatus | Emerging Cross-Sectional Technologies | 86 | Expired |
| US5580529A | Aerosol and liquid transfer resistant pipette tip apparatus | Emerging Cross-Sectional Technologies | 84 | Expired |
| US7614600B1 | Umbrella base with power supply | Emerging Cross-Sectional Technologies | 83 | Expired |
| US4099548A | Hand-held pipette for repetitively dispensing precise volumes of liquid | Performing Operations; Transporting | 81 | Expired |
| US5295599A | Multiple cap seal for containers | Performing Operations; Transporting | 75 | Expired |
| USD337939S | Combined dispensing container and cap | General | 72 | Expired |
| US6117394A | Membrane filtered pipette tip | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5513768A | Sealing cap for containers | Performing Operations; Transporting | 64 | Expired |
| US6482362B1 | Membrane filtered pipette tip | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6622882B2 | Closure device for containers | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4273257A | Jar mounted pipettor | Performing Operations; Transporting | 51 | Expired |
| US6408981B1 | Extruded monolithic foam earplug | Performing Operations; Transporting | 48 | Expired |
| US7387216B1 | Closure device for containers | Emerging Cross-Sectional Technologies | 45 | Expired |
| US8202495B1 | Ergonomic pipette tip | Performing Operations; Transporting | 43 | Active |
| USD516297S1 | Umbrella base | General | 41 | Expired |
| USD568603S1 | Umbrella base | General | 36 | Expired |
| US4082121A | Liquid dispenser with means for automatically purging air therefrom during liquid loading | Performing Operations; Transporting | 35 | Expired |
| USD573786S1 | Umbrella base | General | 34 | Expired |
| US7785466B1 | Membrane filtered pipette tip | Emerging Cross-Sectional Technologies | 32 | Active |
| USD296978S | Combination bottle and can opener and scraper | General | 28 | Expired |
| US7318911B2 | Membrane filtered pipette tip | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8557200B1 | Ergonomic pipette tip | Performing Operations; Transporting | 20 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.