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. 28, 2006
Filed:
Jan. 26, 2004
Applicant:
Berton L. Vicars, Odessa, TX (US);
Inventor:
Berton L. Vicars, Odessa, TX (US);
Assignee:
Gardner Denver, Inc., Quincy, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K 15/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A discharge valve including a valve seat and a piston having a head with a bottom surface that is convex across its entirety for engaging the valve seat. The piston has a stem extending upwardly from the head away from the valve seat. A valve guide has a socket for slidably receiving the stem of the piston and a number of apertures intersecting the socket for providing pressure relief thereto. A compressed spring is disposed between the valve guide and the head for normally retaining said the in engagement with the valve seat.