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:
Apr. 07, 2015
Filed:
May. 06, 2011
Applicants:
Mark Lewandowski, Tomball, TX (US);
Glenn Mcclatchey, Houston, TX (US);
Phillip Treichel, Tomball, TX (US);
Inventors:
Mark Lewandowski, Tomball, TX (US);
Glenn McClatchey, Houston, TX (US);
Phillip Treichel, Tomball, TX (US);
Assignee:
SPX Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 5/00 (2006.01); F16K 25/00 (2006.01); F16K 25/02 (2006.01); F16K 5/06 (2006.01);
U.S. Cl.
CPC ...
F16K 5/0673 (2013.01);
Abstract
In an embodiment of the present invention, a valve seal for a ball valve includes a ball configured to mate with a tail piece, an annular seat ring to facilitate the mating of the ball with the tail piece, the seat ring having an angled wall having a first groove for accommodating a first seal and a second groove for accommodating a second seal, the first seal having a different Young's modulus from the second seal.