Viegas; Herman H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Viegas; Herman H..The latest application filed is for "airflow director in a temperature controlled transport unit".
Company Profile
1.43.25
- Viegas; Herman H. - Bloomington MN
- Viegas; Herman H. - Minneapolis MN
- Viegas; Herman H. - Richfield MN
Patent Activity
| Patent | Date |
|---|---|
| Hybrid temperature control system and method Grant 10,351,042 - Viegas , et al. July 16, 2 | 2019-07-16 |
| Method of operating a cryogenic temperature control apparatus Grant 10,101,081 - Viegas , et al. October 16, 2 | 2018-10-16 |
| Method and system for controlling condenser/radiator airflow Grant 9,868,336 - Viegas , et al. January 16, 2 | 2018-01-16 |
| Control method for a hybrid refrigeration system Grant 9,688,181 - Dutta , et al. June 27, 2 | 2017-06-27 |
| Airflow Director In A Temperature Controlled Transport Unit App 20160185400 - Martinus; Ferdy ; et al. | 2016-06-30 |
| Control Method For A Hybrid Refrigeration System App 20160144764 - DUTTA; Samvit ; et al. | 2016-05-26 |
| Hybrid Temperature Control System And Method App 20160144765 - VIEGAS; Herman H. ; et al. | 2016-05-26 |
| Eutectic Device For A Transport Refrigeration System And Methods For Cooling And Installing The Eutectic Device App 20160144763 - VANDER WOUDE; David J. ; et al. | 2016-05-26 |
| Method And System For Controlling Condenser/radiator Airflow App 20160089956 - Viegas; Herman H. ; et al. | 2016-03-31 |
| Compressor unloading device Grant 9,145,877 - Viegas September 29, 2 | 2015-09-29 |
| HVAC management system for a vehicle Grant 8,534,084 - Viegas , et al. September 17, 2 | 2013-09-17 |
| Compressor Unloading Device App 20130129530 - Viegas; Herman H. | 2013-05-23 |
| Compressor Digital Control Failure Shutdown Algorithm App 20130121843 - Dotzenrod; Ryan J. ; et al. | 2013-05-16 |
| Hvac Management System For A Vehicle App 20120011870 - Viegas; Herman H. ; et al. | 2012-01-19 |
| HVAC management system for a vehicle Grant 8,051,670 - Viegas , et al. November 8, 2 | 2011-11-08 |
| Distributed refrigeration system Grant 8,037,704 - Viegas October 18, 2 | 2011-10-18 |
| Closed and open loop cryogenic refrigeration system Grant 8,020,407 - Viegas September 20, 2 | 2011-09-20 |
| Distributed Refrigeration System App 20090288438 - Viegas; Herman H. | 2009-11-26 |
| Hvac Management System For A Vehicle App 20090277202 - Viegas; Herman H. ; et al. | 2009-11-12 |
| Refrigeration System Including A Desiccant App 20090277195 - Viegas; Herman H. ; et al. | 2009-11-12 |
| Closed And Open Loop Cryogenic Refrigeration System App 20090266100 - Viegas; Herman H. | 2009-10-29 |
| Wall Construction For Insulated Enclosure App 20090071088 - Viegas; Herman H. ; et al. | 2009-03-19 |
| Heating System For Transport Refrigeration Unit App 20080148748 - Viegas; Herman H. ; et al. | 2008-06-26 |
| Temperature Control System And Method For Operating The Same App 20070251685 - Viegas; Herman H. | 2007-11-01 |
| Method Of Operating A Cryogenic Temperature Control Apparatus App 20070144191 - Viegas; Herman H. ; et al. | 2007-06-28 |
| Filling station for the filling of fluids Grant 7,021,341 - Viegas , et al. April 4, 2 | 2006-04-04 |
| Environmentally friendly method and apparatus for cooling a temperature controlled space Grant 6,895,764 - Viegas , et al. May 24, 2 | 2005-05-24 |
| Filling station for the filling of fluids App 20040221918 - Viegas, Herman H. ; et al. | 2004-11-11 |
| Environmentally friendly method and apparatus for cooling a temperature controlled space App 20040216469 - Viegas, Herman H. ; et al. | 2004-11-04 |
| Hybrid temperature control system Grant 6,751,966 - Viegas , et al. June 22, 2 | 2004-06-22 |
| Cryogenic temperature control apparatus and method Grant 6,698,212 - Viegas , et al. March 2, 2 | 2004-03-02 |
| Cryogenic temperature control apparatus and method Grant 6,631,621 - VanderWoude , et al. October 14, 2 | 2003-10-14 |
| Cryogenic refrigeration unit suited for delivery vehicles App 20030163997 - Viegas, Herman H. ; et al. | 2003-09-04 |
| Control method for a self-powered cryogen based refrigeration system Grant 6,609,382 - Vander Woude , et al. August 26, 2 | 2003-08-26 |
| Cryogenic temperature control apparatus and method App 20030029179 - Vander Woude, David J. ; et al. | 2003-02-13 |
| Cryogenic temperature control apparatus and method App 20030019219 - Viegas, Herman H. ; et al. | 2003-01-30 |
| Control method for a self-powered cryogen based refrigeration system App 20030019224 - Vander Woude, David J. ; et al. | 2003-01-30 |
| Hybrid temperature control system App 20020174666 - Viegas, Herman H. ; et al. | 2002-11-28 |
| Cryogenic refrigeration unit suited for delivery vehicles App 20020129613 - Viegas, Herman H. ; et al. | 2002-09-19 |
| High efficiency rotary vane motor Grant 6,106,255 - Viegas , et al. August 22, 2 | 2000-08-22 |
| Two-stage rotary vane motor Grant 6,086,347 - Ryska , et al. July 11, 2 | 2000-07-11 |
| Control method for a cryogenic unit Grant 6,076,360 - Viegas , et al. June 20, 2 | 2000-06-20 |
| Hybrid temperature control system Grant 6,062,030 - Viegas May 16, 2 | 2000-05-16 |
| High efficiency rotary vane motor Grant 5,947,712 - Viegas , et al. September 7, 1 | 1999-09-07 |
| Control method for a cryogenic refrigeration system Grant 5,921,090 - Jurewicz , et al. July 13, 1 | 1999-07-13 |
| System and method for transferring liquid carbon dioxide from a high pressure storage tank to a lower pressure transportable tank Grant 5,916,246 - Viegas , et al. June 29, 1 | 1999-06-29 |
| Air conditioning and refrigeration units utilizing a cryogen Grant 5,730,216 - Viegas , et al. March 24, 1 | 1998-03-24 |
| Control system for a cryogenic refrigeration system Grant 5,699,670 - Jurewicz , et al. December 23, 1 | 1997-12-23 |
| Apparatus and method for vaporizing a liquid cryogen and superheating the resulting vapor Grant 5,598,709 - Viegas , et al. February 4, 1 | 1997-02-04 |
| Air conditioning and refrigeration systems utilizing a cryogen and heat pipes Grant 5,458,188 - Roehrich , et al. October 17, 1 | 1995-10-17 |
| Air conditioning and refrigeration systems utilizing a cryogen Grant 5,365,744 - Viegas , et al. November 22, 1 | 1994-11-22 |
| Air conditioning and refrigeration methods and apparatus utilizing a cryogen Grant 5,315,840 - Viegas , et al. May 31, 1 | 1994-05-31 |
| Air conditioning and refrigeration apparatus utilizing a cryogen Grant 5,311,927 - Taylor , et al. May 17, 1 | 1994-05-17 |
| Air conditioning and refrigeration apparatus utilizing a cryogen Grant 5,305,825 - Roehrich , et al. April 26, 1 | 1994-04-26 |
| Air conditioning and refrigeration apparatus utilizing a cryogen Grant 5,285,644 - Roehrich , et al. February 15, 1 | 1994-02-15 |
| Air conditioning and refrigeration systems utilizing a cryogen Grant 5,267,446 - Viegas , et al. December 7, 1 | 1993-12-07 |
| Air conditioning and refrigeration methods and apparatus utilizing a cryogen Grant 5,267,443 - Roehrich , et al. December 7, 1 | 1993-12-07 |
| Air conditioning and refrigeration systems utilizing a cryogen Grant 5,259,198 - Viegas , et al. November 9, 1 | 1993-11-09 |
| Electromagnetic clutch with torque isolation for return springs Grant 5,252,874 - Viegas October 12, 1 | 1993-10-12 |
| Low fuel shut-off system Grant 4,960,088 - Havemann , et al. October 2, 1 | 1990-10-02 |
| Air delivery system for a transport refrigeration unit Grant 4,878,360 - Viegas November 7, 1 | 1989-11-07 |
| Refrigerant suction accumulator, especially for transport refrigeration unit Grant 4,583,377 - Viegas April 22, 1 | 1986-04-22 |
| Cover for transport refrigeration unit Grant D258,234 - Anderson , et al. February 10, 1 | 1981-02-10 |
| Transport refrigeration unit Grant 4,182,134 - Viegas , et al. January 8, 1 | 1980-01-08 |
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