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:
Apr. 02, 1991
Filed:
Jun. 28, 1990
Applicant:
Inventors:
Hans-Peter Wahl, Velen, DE;
Rudolf Schlueter, Velen-Ramsdorf, DE;
Wolfgang P Kaettlitz, Borken, DE;
Rolf Loos, Zuelpich, DE;
Assignee:
Foseco International Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B / ; C22B / ;
U.S. Cl.
CPC ...
2105101 ; 210450 ; 210455 ; 266227 ; 75412 ; 55523 ;
Abstract
A filter for use in the filtration of molten metals comprises a ceramic foam having a gasket made from fibrous material surrounding its peripheral surface and a metallic foil, such as aluminum foil, fixed to the gasket, for example by means of an adhesive, around the outer peripheral surface of the gasket.
Wahl, Hans-Peter. (1991). Ceramic foam filter apparatus (U.S. Patent No. 5004545). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5004545
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile