Howard H. Fraser, Jr.
44Patents
16h-index
23Co-inventors
81Inventor score
Filing activity: Jan 31, 1979 → Dec 10, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5333460A | Compact and serviceable packaging of a self-contained cryocooler system | Physics | 119 | Expired |
| US5200872A | Internal protection circuit for electrically driven device | Electricity | 82 | Expired |
| US5118260A | Scroll compressor protector | Mechanical Engineering; Lighting; Heating | 68 | Expired |
| US6058727A | Refrigeration system with integrated oil cooling heat exchanger | Mechanical Engineering; Lighting; Heating | 56 | Expired |
| US6799951B2 | Compressor degradation detection system | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US7114349B2 | Refrigerant system with common economizer and liquid-suction heat exchanger | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US6571576B1 | Injection of liquid and vapor refrigerant through economizer ports | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US4993928A | Scroll compressor with dual pocket axial compliance | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US5899091A | Refrigeration system with integrated economizer/oil cooler | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4904165A | Muffler/check valve assembly for scroll compressor | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US4396361A | Separation of lubricating oil from refrigerant gas in a reciprocating compressor | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US5040956A | Magnetically actuated seal for scroll compressor | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5042150A | Method of assembling a scroll compressor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5035589A | Method and apparatus for reducing scroll compressor tip leakage | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4992032A | Scroll compressor with dual pocket axial compliance | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5017107A | Slider block radial compliance mechanism | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5247736A | Method of manufacturing a multipiece eccentric shaft | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4946361A | Horizontal scroll compressor with oil pump | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6658867B1 | Performance enhancement of vapor compression system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5037281A | Tip seal for scroll compressor | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5145345A | Magnetically actuated seal for scroll compressor | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6955059B2 | Vapor compression system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5007808A | Slotted rotor lubrication system | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| USD345009S | Self-contained portable cryogenic cooling unit to be used to cool electronic components | General | 10 | Expired |
| US5076772A | Slider block radial compliance mechanism with integral deflection bearing | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.