List of Sunpower, Inc. patents

Patents where

Current Assignee

Name

Sunpower, Inc.

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7453241 Electronic controller matching engine power to alternator power and maintaining engine frequency for a free-piston stirling engine driving a linear alternator	Patent 7453241 was granted and assigned to Sunpower, Inc. on November, 2008 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7453241	November 18, 2008
‌ US Patent 8960655 Compact flexure bearing spring for springing multiple bodies	Patent 8960655 was granted and assigned to Sunpower, Inc. on February, 2015 by the United States Patent and Trademark Office.	Sunpower, Inc.	Sunpower, Inc.	United States Patent and Trademark Office	8960655	February 24, 2015
‌ US Patent 7434409 Pulse tube cooler having ¼ wavelength resonator tube instead of reservoir	Patent 7434409 was granted and assigned to Sunpower, Inc. on October, 2008 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7434409	October 14, 2008
‌ US Patent 7600464 Multi-piece piston for a free piston machine	Patent 7600464 was granted and assigned to Sunpower, Inc. on October, 2009 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7600464	October 13, 2009
‌ US Patent 7409833 Dual mode compressor with automatic compression ratio adjustment for adapting to multiple operating conditions	Patent 7409833 was granted and assigned to Sunpower, Inc. on August, 2008 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7409833	August 12, 2008
‌ US Patent 7744133 Jointed head with temporary clamp for stirling machine	Patent 7744133 was granted and assigned to Sunpower, Inc. on June, 2010 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7744133	June 29, 2010
‌ US Patent 8857173 Two piston, concentric cylinder, alpha free piston Stirling machine	Patent 8857173 was granted and assigned to Sunpower, Inc. on October, 2014 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	8857173	October 14, 2014
‌ US Patent 10323603 Free piston stirling engine that limits overstroke	Patent 10323603 was granted and assigned to Sunpower, Inc. on June, 2019 by the United States Patent and Trademark Office.	Sunpower, Inc.	Sunpower, Inc.	United States Patent and Trademark Office	10323603	June 18, 2019
‌ US Patent 7633173 Electronic controller matching engine power to alternator power and maintaining engine frequency for a free-piston stirling engine driving a linear alternator	Patent 7633173 was granted and assigned to Sunpower, Inc. on December, 2009 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7633173	December 15, 2009
‌ US Patent 7458143 System for centering a workpiece on the central axis of a cylindrical bore	Patent 7458143 was granted and assigned to Sunpower, Inc. on December, 2008 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7458143	December 2, 2008
‌ US Patent 7437878 Multi-stage pulse tube cryocooler with acoustic impedance constructed to reduce transient cool down time and thermal loss	Patent 7437878 was granted and assigned to Sunpower, Inc. on October, 2008 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7437878	October 21, 2008
‌ US Patent 7784184 Involute foil regenerator method	Patent 7784184 was granted and assigned to Sunpower, Inc. on August, 2010 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7784184	August 31, 2010
‌ US Patent 8800302 Driving an active vibration balancer to minimize vibrations at the fundamental and harmonic frequencies	Patent 8800302 was granted and assigned to Sunpower, Inc. on August, 2014 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	8800302	August 12, 2014
‌ US Patent 7701075 Hybrid electrical power source combining stirling engine driven alternator with supplementing electrical energy storage	Patent 7701075 was granted and assigned to Sunpower, Inc. on April, 2010 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7701075	April 20, 2010
‌ US Patent 7511459 Controller computing a virtual tuning capacitor for controlling a free-piston stirling engine driving a linear alternator	Patent 7511459 was granted and assigned to Sunpower, Inc. on March, 2009 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7511459	March 31, 2009
‌ US Patent 10815928 Preventing overstroke of free-piston stirling engine from loss of load	Patent 10815928 was granted and assigned to Sunpower, Inc. on October, 2020 by the United States Patent and Trademark Office.	Sunpower, Inc.	Sunpower, Inc.	United States Patent and Trademark Office	10815928	October 27, 2020
‌ US Patent 9945322 Stirling engine or cooler heat exchanger	Patent 9945322 was granted and assigned to Sunpower, Inc. on April, 2018 by the United States Patent and Trademark Office.	Sunpower, Inc.	Sunpower, Inc.	United States Patent and Trademark Office	9945322	April 17, 2018
‌ US Patent 10323604 Free piston stirling engine that remains stable by limiting stroke	Patent 10323604 was granted and assigned to Sunpower, Inc. on June, 2019 by the United States Patent and Trademark Office.	Sunpower, Inc.	Sunpower, Inc.	United States Patent and Trademark Office	10323604	June 18, 2019
‌ US Patent 7685818 Connection of a free-piston stirling machine and a load or prime mover permitting differing amplitudes of reciprocation	Patent 7685818 was granted and assigned to Sunpower, Inc. on March, 2010 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	7685818	March 30, 2010
‌ US Patent 8860381 Balancing vibrations at harmonic frequencies by injecting harmonic balancing signals into the armature of a linear motor/alternator coupled to a Stirling machine	Patent 8860381 was granted and assigned to Sunpower, Inc. on October, 2014 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	8860381	October 14, 2014
‌ US Patent 10156204 Attachment of cylinders in the housing of free-piston stirling machines	Patent 10156204 was granted and assigned to Sunpower, Inc. on December, 2018 by the United States Patent and Trademark Office.	Sunpower, Inc.	Sunpower, Inc.	United States Patent and Trademark Office	10156204	December 18, 2018
‌ US Patent 8590301 Free-piston stirling machine for extreme temperatures	Patent 8590301 was granted and assigned to Sunpower, Inc. on November, 2013 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	8590301	November 26, 2013
‌ US Patent 8307700 Internal position and limit sensor for free piston machines	Patent 8307700 was granted and assigned to Sunpower, Inc. on November, 2012 by the United States Patent and Trademark Office.		Sunpower, Inc.	United States Patent and Trademark Office	8307700	November 13, 2012
‌ US Patent 8590300 Balanced multiple groupings of beta stirling machines			Sunpower, Inc.	United States Patent and Trademark Office	8590300	November 26, 2013
‌ US Patent 8310113 Multiple armature linear motor/alternator having magnetic spring with no fringe fields and increased power output			Sunpower, Inc.	United States Patent and Trademark Office	8310113	November 13, 2012

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