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:
Jul. 29, 2003
Filed:
Oct. 17, 2001
Applicant:
Inventor:
David W. Buchwald, Aurora, IL (US);
Assignee:
Henry Pratt Company, Aurora, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/510 ;
U.S. Cl.
CPC ...
F16K 3/510 ;
Abstract
A locking device for a butterfly type valve is provided with an actuating shaft extending through a bore provided in a conduit in which the valve is located; the inner end of the shaft carries a locking arm that is movable upon rotation of the shaft between a locking and unlocking position relative to the valve.
Buchwald, David. (2003). Butterfly valve locking apparatus (U.S. Patent No. 6598850). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6598850
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile