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. 27, 1989
Filed:
May. 09, 1988
Applicant:
Inventors:
Assignee:
WABCO Westinghouse Fahrzeugbremsen GmbH, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
13754323 ; 137535 ;
Abstract
A check valve assembly in which a valve spring is positioned with respect to the valve body in a manner such that the deformation line of such valve spring is one of offset and inclined in relation to the longitudinal axis of the valve body so that one side of such valve body is pressed against a guide provided for such valve body while the inlet valve is in an open position. The valve body of the check valve is prestressed against a valve seat by the valve spring.
Haak, Wilhelm. (1989). Check valve (U.S. Patent No. 4842015). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4842015
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile