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. 29, 2025
Filed:
Feb. 14, 2020
Applicant:
Pyrotek, Inc., Spokane, WA (US);
Inventors:
Richard S. Henderson, Solon, OH (US);
Mike Tomassi, East Syracuse, NY (US);
Mark Reynolds, Fergus, CA;
Assignee:
PYROTEK, INC., Spokane, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/08 (2006.01); B01D 29/15 (2006.01); B01D 35/18 (2006.01); B22D 11/119 (2006.01); F27B 14/08 (2006.01);
U.S. Cl.
CPC ...
B22C 9/086 (2013.01); B01D 29/15 (2013.01); B01D 35/18 (2013.01); B22D 11/119 (2013.01); F27B 14/08 (2013.01);
Abstract
A molten metal filtration apparatus is provided. The apparatus includes a filter chamber having a floor, a metal inlet, a metal outlet, and a wall surface adapted to be partitioned by at least one filter element having an open cell structure characterized by a plurality of interconnected voids. The filter element partitions the filter chamber. At least one heater device is provided at an elevation within the filtration chamber that is equal to or below the filter element.