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. 27, 1977
Filed:
Jun. 01, 1976
Applicant:
Inventors:
Donn Breen Furlong, San Rafael, CA (US);
Dickey Steele Londahl, Walnut Creek, CA (US);
Assignee:
Tuthill Pump Company, San Rafael, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417420 ; 417310 ; 418126 ; 418206 ;
Abstract
A magnetically driven, sealed gear pump has hard metal gears and a pair of relatively soft gear tip seals near the pump inlet chamber that compensate for wear of its parts.