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:
Dec. 08, 1987
Filed:
Aug. 20, 1986
Applicant:
Inventor:
Edward G Holtgraver, Spring, TX (US);
Assignee:
Keystone International, Inc., Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ; B21D / ;
U.S. Cl.
CPC ...
251308 ; 2915 / ; 29434 ; 29464 ; 251369 ;
Abstract
A valve stem-valve element assembly wherein a valve element is provided with a valve stem bore, a valve stem being received in the valve stem bore, there being a bore transverse to the valve stem bore in the valve element which is in register with the hole in the valve stem, a threaded bolt being received in the bore through the threaded hole threadedly engaging the threaded hole, the threaded portion of the bolt also frictionally engaging the smooth walls of the transverse bore.
Holtgraver, Edward. (1987). Apparatus for connecting a valve element to a valve stem (U.S. Patent No. 4711427). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4711427
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile