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. 04, 1989
Filed:
Apr. 20, 1987
Applicant:
Inventor:
Wolfgang Schmitt, Viernheim, DE;
Assignee:
Firma Carl Freudenberg, Weinheim/Bergstrasse, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 23 ; 277 53 ; 277152 ;
Abstract
A cooling water pump seal for a combustion engine, in which a main seal rests on a shaft with a sliding fit and is preceded on the cooling water side by a protective seal. The protective seal consists of a filter fleece and is fastened to the housing supporting the main seal.