US Patent Issued to Cummins Filtration IP on May 6 for "Composite filter media with multiple fiber structures including nanofibers" (Wisconsin, Tennessee Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,772, issued on May 6, was assigned to Cummins Filtration IP Inc. (Columbus, Ind.).

"Composite filter media with multiple fiber structures including nanofibers" was invented by Eric A. Janikowski (Jefferson, Wis.), Huanling Liu (Cookeville, Tenn.), Christopher E. Holm (Madison, Wis.), Mark T. Wieczorek (Cookeville, Tenn.) and Barry Mark Verdegan (Stoughton, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter media comprises a first fiber layer and a second fiber layer positioned downstream of the first fiber layer. The first fiber layer has a first geometric mean fiber diameter of less than 1 micro metre such that the geometric standard devi...