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:
Dec. 31, 2013
Filed:
May. 03, 2011
Otto Knottnerus, Evansville, WI (US);
Larry Langmeier, Stoughton, WI (US);
Mark Berger, Janesville, WI (US);
Otto Knottnerus, Evansville, WI (US);
Larry Langmeier, Stoughton, WI (US);
Mark Berger, Janesville, WI (US);
Harvard Corporation, Evansville, WI (US);
Abstract
Particular aspects of the inventive technology may, in embodiments, relate to a fluid filter apparatus that includes a filtered fluid conduit that has a length that is at least three times a characteristic diameter; and a plurality of holes, wherein at least one of said holes has a first shape and engages an end cap during fluid filter operation, and wherein at least one other of said holes has said first shape and passes filtered fluid from outside of said filtered fluid conduit to a conduit interior during fluid filter operation.