Inventor
Roland L. Roehrich
Inventor
Pittsburgh, PA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Dprimary
F25DRefrigerators31%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles26%
F24FAir-conditioning21%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
F25BRefrigeration machines, plants or systems5%
F17CVessels for containing or storing compressed, liquefied or solidified gases3%
PatentTitleYear
5,458,188'Air conditioning and refrigeration systems utilizing a cryogen and heat pipes'19955,365,744'Air conditioning and refrigeration systems utilizing a cryogen'19945,320,167'Air conditioning and refrigeration systems utilizing a cryogen and heat pipes'19945,315,840'Air conditioning and refrigeration methods and apparatus utilizing a cryogen'19945,311,927'Air conditioning and refrigeration apparatus utilizing a cryogen'19945,305,825'Air conditioning and refrigeration apparatus utilizing a cryogen'19945,287,705'Air conditioning and refrigeration systems utilizing a cryogen'19945,285,644'Air conditioning and refrigeration apparatus utilizing a cryogen'19945,267,443'Air conditioning and refrigeration methods and apparatus utilizing a cryogen'19935,267,446'Air conditioning and refrigeration systems utilizing a cryogen'19935,259,198'Air conditioning and refrigeration systems utilizing a cryogen'19935,186,015'Transport refrigeration unit and method of operating same'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Patents assigned to THERMO KING CORP (11)· patent assignee history
1993–1995Based in Pittsburgh, PA, US· patent location history
1995Patents assigned to WESTINGHOUSE ELECTRIC CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THERMO KING CORP | 11 | 1993–1994 |
| WESTINGHOUSE ELECTRIC CORP | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 12 | 1993–1995 |