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:
May. 17, 1988
Filed:
Oct. 13, 1987
Applicant:
Inventors:
Robert S Wentworth, Jr, deceased, late of Murrieta, CA (US);
by Benning Wentworth, executor, St. Charles, IL (US);
Assignee:
BW/IP International, Inc., Long Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 88 ; 277 / ;
Abstract
A bellows type mechanical seal assembly in which the bellows is provided with inactive or non-functional diaphragms to increase the pressure capacity of the seal assembly.
Wentworth, Jr, deceased, Robert. (1988). Bellows mechanical seal with inactive diaphragms (U.S. Patent No. 4744569). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4744569
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile