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:
Nov. 10, 1987
Filed:
Dec. 23, 1985
Applicant:
Inventor:
Gunter Fertig, Wertheim, DE;
Assignee:
Mannesmann Rexroth GmbH, Lohr, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
137596 ; 91446 ; 13762568 ;
Abstract
A directional control valve comprising a valve housing, tank-, user-, and pump-ports provided in said housing, a spool reciprocally mounted in said housing and adapted to connect and/or separate said ports, and a pilot controlled flow control valve within said directional control valve.
Fertig, Gunter. (1987). Directional control valve having a built-in flow control valve (U.S. Patent No. 4705069). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4705069
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile