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. 06, 1983
Filed:
May. 08, 1981
Applicant:
Inventors:
Winfred J Wiese, Whittier, CA (US);
Joseph A Marsi, Rancho Palos Verdes, CA (US);
Assignee:
Borg-Warner Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 961 ;
Abstract
A mechanical seal assembly comprising stationary rotating seal rings having opposed faces which remain parallel to one another during operation or defect to become convex in order to provide a convergent path for leakage across the opposed faces.
Wiese, Winfred. (1983). Mechanical seal (U.S. Patent No. 4418921). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4418921
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile