Sunpower is a world leader in free-piston Stirling engines, coolers, and linear compressors. The company was incorporated in 1974 by William Beale, inventor of the free-piston Stirling engine. Sunpower remains a privately held corporation.

 

Licensing and Partnering 

Sunpower's intellectual property portfolio underscores the company's leading position in free-piston Stirling engine development, and now includes over 39 U.S. patents and 97 related foreign patents.

Sunpower's innovation has lead to strategic partnerships that include more than 13 licensees in Asia, the Pacific Rim, Europe, South America and across the United States. Where appropriate, we license our technology or partner in other ways with those who intend to use our technology. Sunpower offers geographically-flexible exclusive or non-exclusive field-of-use licenses to best meet our licensees' needs.

 

As an advanced technology provider, Sunpower offers a range of services to industrial, educational, laboratory and government clients. Sunpower is seeking partners for product development and commercialization opportunities. 

Cryocooler Products
CryoTel™ cryocoolers, Sunpower's integral free-piston Stirling coolers, are the result of over thirty years of technical leadership, innovation and evolution if free-piston Stirling technology. Supower cryocooler design permits cost-effective product development for  commercial and government clients that can be produced in high volume quantities.