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:
May. 01, 2007
Filed:
Sep. 22, 2003
Applicant:
Russell D. Wilfert, Chandler, AZ (US);
Inventor:
Russell D. Wilfert, Chandler, AZ (US);
Assignee:
Honeywell International, Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plug valve assembly includes a plug and a segment seal assembly. The segment seal assembly is configured to reduce the differential pressure load across the segment seal assembly when the valve is closed. The segment seal includes an opening in fluid communication with a sealed vent region that is formed between the segment seal and the plug.