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. 21, 1983
Filed:
Jan. 16, 1981
Applicant:
Inventor:
Akio Mito, Yokohama, JP;
Assignee:
Tokyo Keiki Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137 85 ; 137 82 ;
Abstract
A nozzle flapper valve provided with a nozzle, fixed throttle and flapper, characterized in that the flapper is formed to be cylindrical and has the cylindrical peripheral surface positioned on the axis of the nozzle so as to simplify the flapper moving mechanism and to prevent the flapper clearance from being clogged with dust in the fluid.
Mito, Akio. (1983). Nozzle flapper valve (U.S. Patent No. 4388942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4388942
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile