Douglas S. Beck

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Gig Harbor, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Refrigeration system which compensates for heat leakage
- Patent number 7,299,640
- Issue date Nov 27, 2007
- Douglas S. Beck
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Thermal management system using an absorption heat pump
- Patent number 7,107,784
- Issue date Sep 19, 2006
- Douglas S. Beck
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
One-way valve with poppet member
- Patent number 7,028,709
- Issue date Apr 18, 2006
- Douglas S. Beck
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Free piston pump
- Patent number 6,468,057
- Issue date Oct 22, 2002
- Douglas S. Beck
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Refrigeration system which compensates for heat leakage
- Publication number 20060075769
- Publication date Apr 13, 2006
- Douglas S. Beck
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Thermal management system using an absorption heat pump
- Publication number 20060048536
- Publication date Mar 9, 2006
- Douglas S. Beck
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
One-way valve with poppet member
- Publication number 20050081922
- Publication date Apr 21, 2005
- Douglas S. Beck
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...