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. 13, 2009
Filed:
Jan. 10, 2008
Applicants:
Larry T. Gunderson, Sun Prairie, WI (US);
Amy K. Luttropp, Madison, WI (US);
Ana R. Considine, Portage, WI (US);
Inventors:
Larry T. Gunderson, Sun Prairie, WI (US);
Amy K. Luttropp, Madison, WI (US);
Ana R. Considine, Portage, WI (US);
Assignee:
Cummins Filtration IP Inc., Minneapolis, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 46/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter includes a housing with multiple flow passages and filter elements, including at least first and second flow passages therethrough including respective first and second filter elements in parallel. Respective internal dividing walls separate flow passages and are provided with acoustic attenuators.