Gene Fields
33Patents
14h-index
34Co-inventors
81Inventor score
Filing activity: Feb 12, 1991 → Jul 7, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6030192A | Scroll compressor having bearing structure in the orbiting scroll to eliminate tipping forces | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US5421708A | Oil separation and bearing lubrication in a high side co-rotating scroll compressor | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5129798A | Co-rotational scroll apparatus with improved scroll member biasing | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US6132191A | Check valve for scroll compressor | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6227830A | Check valve mounted adjacent scroll compressor outlet | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6077057A | Scroll compressor with back pressure seal protection during reverse rotation | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US8308448B2 | Scroll compressor capacity modulation with hybrid solenoid and fluid control | Mechanical Engineering; Lighting; Heating | 32 | Active |
| US8328531B2 | Scroll compressor with three-step capacity control | Emerging Cross-Sectional Technologies | 31 | Active |
| US8840384B2 | Scroll compressor capacity modulation with solenoid mounted outside a compressor shell | Mechanical Engineering; Lighting; Heating | 29 | Active |
| US5588820A | Scroll compressor having an axial compliance pressure chamber | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6488489B2 | Method of aligning scroll compressor components | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5421709A | Oil management in a high-side co-rotating scroll compressor | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5616016A | Pressure biased co-rotational scroll apparatus with enhanced lubrication | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6247909A | Bearing assembly for sealed compressor | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6264452A | Reinforcement pin for check valve | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5122040A | Scroll member and method of forming a scroll member | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6056524A | Scroll compressor assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6247907A | Thin counterweight for sealed compressor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5791887A | Scroll element having a relieved thrust surface | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6761545B1 | Scroll compressor with flow restriction and back pressure chamber tap | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8337183B2 | Oil return valve for a scroll compressor | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US6203299A | Capacity modulation for scroll compressors | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6113371A | Scroll-type machine with compact Oldham coupling | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6619934B2 | Scroll compressor with motor control for capacity modulation | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6287089A | Scroll compressor with heat shield | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.