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:
Feb. 20, 2001
Filed:
Oct. 21, 1998
Applicant:
Inventor:
Albert A. McKay, Stoney Creek, CA;
Assignee:
Westinghouse Air Brake Company, Wilmerding, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 3/100 ; F16K 5/100 ;
U.S. Cl.
CPC ...
F16K 3/100 ; F16K 5/100 ;
Abstract
A valve having a housing and a valve member located in the housing for controlling the flow of a fluid or fluid pressure directed through the housing. The valve further includes a removable valve seat located in the housing and against which the valve member engages and disengages in the fluid or fluid pressure control process. A sealing member is located between an outer surface of such valve seat and an inner surface of the housing of the valve. The removable valve seat being made of a durable molded plastic material.