HV

Herman H. Viegas

TK Thermo King: 46 patents #2 of 483Top 1%
NA Norsk Hydro Asa: 1 patents #182 of 584Top 35%
WE Westinghouse Electric: 1 patents #2,483 of 5,139Top 50%
📍 Bloomington, MN: #20 of 1,157 inventorsTop 2%
🗺 Minnesota: #979 of 52,454 inventorsTop 2%
Overall (All Time): #60,891 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
10351042 Hybrid temperature control system and method Samvit Dutta 2019-07-16
10101081 Method of operating a cryogenic temperature control apparatus David Vander Woude, Suresh Kumar, Joseph Glentz 2018-10-16
9868336 Method and system for controlling condenser/radiator airflow Rodney H. Volk 2018-01-16
9688181 Control method for a hybrid refrigeration system Samvit Dutta 2017-06-27
9145877 Compressor unloading device 2015-09-29
8534084 HVAC management system for a vehicle William F. Mohs 2013-09-17
8051670 HVAC management system for a vehicle William F. Mohs 2011-11-08
8037704 Distributed refrigeration system 2011-10-18
8020407 Closed and open loop cryogenic refrigeration system 2011-09-20
7021341 Filling station for the filling of fluids Osten Andersson, Torgeir Hansen, Nils Magnus Sølverød 2006-04-04
6895764 Environmentally friendly method and apparatus for cooling a temperature controlled space Jayaram Seshadri 2005-05-24
6751966 Hybrid temperature control system David Vander Woude, Hans-Olof Nilsson 2004-06-22
6698212 Cryogenic temperature control apparatus and method David Vander Woude, Jayaram Seshadri, John J. Shaw 2004-03-02
6631621 Cryogenic temperature control apparatus and method David J. VanderWoude, Jayaram Seshadri, Joseph Glentz, Bryan E. Schwichtenberg, J. J. Shaw 2003-10-14
6609382 Control method for a self-powered cryogen based refrigeration system David Vander Woude, Jayaram Seshadri, Joseph Glentz, Bryan E. Schwichtenberg, William Ehrich Stuart 2003-08-26
6106255 High efficiency rotary vane motor Bruce E. McClellan 2000-08-22
6086347 Two-stage rotary vane motor Antonin Ryska, Jiri Ota, Bruce E. McClellan 2000-07-11
6076360 Control method for a cryogenic unit Bradley G. Ellingson, Mark Buenz 2000-06-20
6062030 Hybrid temperature control system 2000-05-16
5947712 High efficiency rotary vane motor Bruce E. McClellan 1999-09-07
5921090 Control method for a cryogenic refrigeration system Romuald M. Jurewicz 1999-07-13
5916246 System and method for transferring liquid carbon dioxide from a high pressure storage tank to a lower pressure transportable tank Gary W. Wojciechowski, Mark Buenz, Girma Desta 1999-06-29
5730216 Air conditioning and refrigeration units utilizing a cryogen Bradley G. Ellingson 1998-03-24
5699670 Control system for a cryogenic refrigeration system Romuald M. Jurewicz 1997-12-23
5598709 Apparatus and method for vaporizing a liquid cryogen and superheating the resulting vapor Bradley G. Ellingson, Michael Aronov, Roger D. Sheridan 1997-02-04