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:
Nov. 12, 2013
Filed:
May. 04, 2011
Applicants:
Mark P. Adams, Madison, WI (US);
Axel J. Dahlberg, Maplewood, MN (US);
Matthew L. Schneider, Seymour, IN (US);
Inventors:
Mark P. Adams, Madison, WI (US);
Axel J. Dahlberg, Maplewood, MN (US);
Matthew L. Schneider, Seymour, IN (US);
Assignee:
Cummins Filtration IP Inc., Minneapolis, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A run-safe filter system is provided for confirming installation of a qualified filter element in a housing. An electrical switch has a first electrical condition in response to a qualified filter element being installed in the housing, and a second electrical condition in response to the absence of a qualified filter element installed in the housing.