Larry D. Fields
14Patents
7h-index
5Co-inventors
55Inventor score
Filing activity: Dec 16, 1974 → Apr 12, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4495072A | Filter screen device | Performing Operations; Transporting | 60 | Expired |
| US4059289A | Waste drain connection | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4457330A | Reversible quick exhaust valve | Emerging Cross-Sectional Technologies | 20 | Expired |
| US3957241A | Ball joint relievable hanger for towels and the like | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4045827A | Combination lavatory and toilet assembly | Fixed Constructions | 12 | Expired |
| US4319607A | Valve assembly and valve sealing element | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4165857A | Dashpot mechanism for self-closing plumbing valves | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4093177A | Dashpot mechanism for self-closing plumbing valves | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5236395A | Maintenance friendly variable speed drive and methods | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4262698A | Valve | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5167320A | Variable speed drive for screw conveyor | Performing Operations; Transporting | 4 | Expired |
| US4458059A | Liquid filtration system | Performing Operations; Transporting | 3 | Expired |
| US4441997A | Liquid filtration system | Performing Operations; Transporting | 2 | Expired |
| US5499437A | Method of assembling a maintenance friendly variable speed belt drive | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.