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:
Aug. 12, 2025
Filed:
Mar. 24, 2021
Donaldson Company, Inc., Bloomington, MN (US);
Rakesh K. Yadav, Lakeville, MN (US);
Daniel L. Tuma, St. Paul, MN (US);
Robert R. Levac, Burnsville, MN (US);
Byron G. Griffin, Mounds View, MN (US);
Jonathan M. Beckett, Richfield, MN (US);
Anil Suthar, Eden Prairie, MN (US);
Robert J. Pannepacker, Jr., Oreland, PA (US);
Donaldson Company, Inc., Bloomington, MN (US);
Abstract
Filtration media packs, filter elements, and media are disclosed, including media packs having a plurality of layers of single facer media wherein the layers of single facer media include a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet, with the fluted sheet and facing sheet formed of multi-layer media can include a polytetrafluoroethylene (PTFE) layer supported by a polymeric scrim layer.