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:
Oct. 04, 2016
Filed:
Aug. 24, 2010
Applicants:
Rudolph A. Olson, Iii, Hendersonville, NC (US);
Matthew W. Willer, Hendersonville, NC (US);
Leonard S. Aubrey, Hendersonville, NC (US);
Inventors:
Rudolph A. Olson, III, Hendersonville, NC (US);
Matthew W. Willer, Hendersonville, NC (US);
Leonard S. Aubrey, Hendersonville, NC (US);
Assignee:
Porvair Plc, Norfolk, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22B 9/02 (2006.01); B01D 39/20 (2006.01); C22B 21/06 (2006.01);
U.S. Cl.
CPC ...
C22B 9/023 (2013.01); B01D 39/2093 (2013.01); C22B 21/066 (2013.01); B01D 2239/0478 (2013.01); Y02P 10/234 (2015.11);
Abstract
An improved filter is described which is particularly suitable for filtering molten metal. The filter has a porous open celled ceramic foam body with voids separated by struts wherein a portion of the struts are densified with glass.