The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2012
Filed:
Dec. 21, 2009
Applicants:
Dale Kempf, Clovis, CA (US);
Ken Lum, Fresno, CA (US);
Inventors:
Dale Kempf, Clovis, CA (US);
Ken Lum, Fresno, CA (US);
Assignee:
Grundfos Pumps Manufacturing Corporation, Fresno, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G05D 23/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A faucet has a fixture body in fluid communication with a pressurized supply of hot water. The fixture body has a spout outlet configured to dispense water from the fixture body. At least one operating valve is coupled to the fixture body for controlling a flow of water to the spout outlet. A bypass valve is disposed in the fixture body for controlling a recirculating flow of water through the fixture body, where the bypass valve changes state when heated and when cooled to block and permit the recirculating flow of water based on a temperature of the water.