Inventor
Viung C. Mei
Inventor
Oak Ridge, TN, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems56%
F25DRefrigerators17%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles6%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general6%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
6,868,678'Non-intrusive refrigerant charge indicator'20056,467,284'Frostless heat pump having thermal expansion valves'20026,250,090'Apparatus and method for evaporator defrosting'20016,233,958'Heat pump water heater and method of making the same'20015,845,502'Heat pump having improved defrost system'19985,622,055'Liquid over-feeding refrigeration system and method with integrated accumulator-expander-heat exchanger'19975,245,833'Liquid over-feeding air conditioning system and method'19935,245,839'Adsorption-type refrigerant recovery apparatus'19934,341,088'Highway vehicle exhaust gas refrigeration system'19824,110,997'Hot gas defrost system'19784,043,144'Hot gas defrost system'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to DOLE REFRIGERATING CO (1)· patent assignee history
1977–1978Based in Mount Prospect, IL, US· patent location history
1982Patents assigned to CHATURVEDI SUSHIL K (1)· patent assignee history
1982–2005Based in Oak Ridge, TN, US· patent location history
1993–1997Patents assigned to MARTIN MARIETTA ENERGY SYSTEMS (2)· patent assignee history
1993Based in Hsinchu, TW· patent location history
1998–2001Patents assigned to LOCKHEED MARTIN ENERGY RES COR (2)· patent assignee history
2002–2005Patents assigned to UT BATTELLE LLC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LOCKHEED MARTIN ENERGY RES COR | 2 | 1998–2001 |
| MARTIN MARIETTA ENERGY SYSTEMS | 2 | 1993–1997 |
| UT BATTELLE LLC | 2 | 2002–2005 |
| CHATURVEDI SUSHIL K | 1 | 1982 |
| DOLE REFRIGERATING CO | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oak Ridge, TN, US | 8 | 1982–2005 |
| Mount Prospect, Illinois, US | 2 | 1977–1978 |
| Hsinchu, TW | 1 | 1993 |