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. 24, 1987
Filed:
Oct. 01, 1985
Applicant:
Inventors:
Nobuaki Itoh, Hiratsuka, JP;
Takashi Sekine, Hiratsuka, JP;
Assignee:
Yokohama Aeroquip Company, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137883 ; 137866 ; 251214 ; 62292 ;
Abstract
In a valve unit provided with a straight-cylindrical valve housing having a thick barrel portion and a thin head portion; an inward-facing valve seat on the upper edge of the head portion; and an upper edge on the head of an internal valve element, the upper edge engages the inward-facing valve seat when a lower passage in the valve housing is defined.
Quick Actions:
Itoh, Nobuaki. (1987). Valve unit for air-conditioner piping (U.S. Patent No. 4644973). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4644973
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile