David J. Hoogerwerf

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Des Moines, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compressor-expander set critical speed avoidance
- Patent number 8,540,498
- Issue date Sep 24, 2013
- Compressor Controls Corp.
- Saul Mirsky
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Compressor-expander set critical speed avoidance
- Patent number 8,360,744
- Issue date Jan 29, 2013
- Compressor Controls Corporation
- Saul Mirsky
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
Compressor-Expander Set Critical Speed Avoidance
- Publication number 20130129528
- Publication date May 23, 2013
- COMPRESSOR CONTROLS CORPORATION
- Saul Mirsky
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Compressor-Expander Set Critical Speed Avoidance
- Publication number 20130094974
- Publication date Apr 18, 2013
- COMPRESSOR CONTROLS CORPORATION
- Saul Mirsky
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Compressor-Expander Set Critical Speed Avoidance
- Publication number 20090232663
- Publication date Sep 17, 2009
- Saul Mirsky
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...