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. 18, 1989
Filed:
Feb. 01, 1988
Applicant:
Inventor:
Roger D Danzy, Pineville, LA (US);
Assignee:
Dresser Industries, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251332 ; 251334 ;
Abstract
An improved valve seal is provided which utilizes a c-shaped secondary seal. The c-shaped seal is positioned between the valve disc and the valve seat. A retainer locates the c-shaped seal with respect to the disc, retains the seal against the disc and provides a pre-load on the seal as required.
Quick Actions:
Danzy, Roger. (1989). Valve seal (U.S. Patent No. 4848729). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4848729
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile