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:
Aug. 03, 1982
Filed:
Jun. 02, 1980
Applicant:
Inventors:
Dale E Wolford, Ashland, OH (US);
George S York, Mansfield, OH (US);
Assignee:
The Gorman-Rupp Company, Mansfield, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4151 / ; 277 82 ;
Abstract
A face-type shaft seal characterized by a protective boot surrounding the rotating seal assembly inside of the coil spring, and a viscous material filling the boot cavity to prevent liquid and abrasive materials from entering the boot when the seal is used in a centrifugal pump.
Wolford, Dale. (1982). Face-type shaft seal (U.S. Patent No. 4342538). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4342538
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile