David R. Gedeon

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Athens, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Double-acting modular free-piston stirling machines without buffer...
- Patent number 9,689,344
- Issue date Jun 27, 2017
- David Ray Gedeon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multi-stage pulse tube cryocooler with acoustic impedance construct...
- Patent number 7,437,878
- Issue date Oct 21, 2008
- Sunpower, Inc.
- David R. Gedeon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Pulse tube cooler having ¼ wavelength resonator tube instead of res...
- Patent number 7,434,409
- Issue date Oct 14, 2008
- Sunpower, Inc.
- David R. Gedeon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Machine spring displacer for Stirling cycle machines
- Patent number 7,017,344
- Issue date Mar 28, 2006
- Roberto O. Pellizzari
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spring and resonant system for free-piston Stirling engines
- Patent number 4,183,214
- Issue date Jan 15, 1980
- Sunpower, Inc.
- William T. Beale
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Double-Acting Modular Free-Piston Stirling Machines Without Buffer...
- Publication number 20180205290
- Publication date Jul 19, 2018
- David Ray Gedeon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MULTI-STAGE PULSE TUBE CRYOCOOLER WITH ACOUSTIC IMPEDANCE CONSTRUCT...
- Publication number 20080229760
- Publication date Sep 25, 2008
- Sunpower, Inc.
- David R. Gedeon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Pulse tube cooler having 1/4 wavelength resonator tube instead of r...
- Publication number 20070044484
- Publication date Mar 1, 2007
- Sunpower, Inc.
- David R. Gedeon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Machine spring displacer for stirling cycle machines
- Publication number 20050060996
- Publication date Mar 24, 2005
- Roberto O. Pellizzari
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS