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:
Oct. 14, 2025
Filed:
Nov. 11, 2020
Applicant:
Parker-hannifin Corporation, Cleveland, OH (US);
Inventor:
Gregory Thomas Coolidge, Elyria, OH (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/04 (2006.01);
U.S. Cl.
CPC ...
F15B 13/0418 (2013.01); F15B 13/0417 (2013.01); F15B 2211/30535 (2013.01);
Abstract
An example pressure compensator valve includes: a compensator spool; a first piston coupled to a distal end of, and axially-movable with, the compensator spool; a second piston disposed at a proximal end of the compensator spool, wherein the compensator spool is axially movable relative to the second piston; and a compensator spring applying a biasing force on the compensator spool.