Gregory William Hahn
53Patents
7h-index
35Co-inventors
72Inventor score
Filing activity: Oct 21, 1998 → Nov 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8303279B2 | Injection tubes for injection of fluid into a scroll compressor | Mechanical Engineering; Lighting; Heating | 32 | Active |
| US9890778B2 | Method for operating a linear compressor | Electricity | 8 | Active |
| US6695201B2 | Stress relieved lower shell for sealed compressors | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6761545B1 | Scroll compressor with flow restriction and back pressure chamber tap | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6193484A | Force-fit scroll compressor assembly | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8337183B2 | Oil return valve for a scroll compressor | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US6428293B1 | Heat shield with seal between end cap and non-orbiting scroll | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6464470B1 | Scroll compressor with variable discharge port | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6352417B1 | Optimized radial compliance for a scroll compressor | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6418740B1 | External high pressure to low pressure valve for scroll compressor | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6379133B1 | Scroll compressor with reduced stiction surface for check valve | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6566841B2 | Scroll compressor having multiple motor performance characteristics | Electricity | 5 | Expired |
| US11434883B2 | Variable capacity drive circuit for a linear compressor in a refrigeration appliance | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10174753B2 | Method for operating a linear compressor | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US6354821B1 | Scroll compressor with dual clutch capacity modulation | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9562525B2 | Linear compressor | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US11530695B1 | Suction muffler for a reciprocating compressor | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9086062B2 | Linear compressor with an electro-magnetic spring | Electricity | 2 | Active |
| US6592344B2 | Press-on insulator dish | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US10746164B2 | Linear compressor with a coupling | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10465671B2 | Compressor with a discharge muffler | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9739270B2 | Linear compressor | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8714946B2 | Linear compressor with an electro-magnetic spring | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10066615B2 | Linear compressor with a ball joint coupling | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9702352B2 | Linear compressor and a spring assembly | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.