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:
Jun. 01, 1976
Filed:
Jan. 20, 1975
Applicant:
Inventor:
Everett T Steele, Jr, Knoxville, TN (US);
Assignee:
Robertshaw Controls Company, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
236100 ; 1231 / ; 13762527 ; 1376255 ; 236 86 ; 251D / ;
Abstract
A temperature responsive valve having a series of three ports and a specially shaped valve stem and valve seat arrangement wherein the valve stem of the arrangement is connected to a thermostatic power element for controlling open flow intercommunication between the first and second ports or the second and third ports of the series.