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:
Mar. 16, 1999
Filed:
Apr. 25, 1996
Applicant:
Inventor:
Hideo Ryuu, Nogata-gun, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 58681 ; 192 / ; 1921 / ;
Abstract
A hydraulic fan coupling comprises a hermetically sealed case that is driven by the engine. The case is made of metal. Fan blades made of resin are molded onto elongated outer portions of the case.
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Ryuu, Hideo. (1999). Hydraulic fan coupling apparatus (U.S. Patent No. 5881857). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5881857
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