ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,328, issued on April 22, was assigned to Donaldson Co. Inc. (Minneapolis).
"Air oil separator" was invented by Wijadi Jodi (Burnsville, Minn.), Timothy O. Winters (Nowthen, Minn.), Scott R. Galloway (Chanhassen, Minn.), Marvin E. Laue (Belle Plaine, Minn.) and Hubert J. Visee (Eden Prairie, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air oil separator includes a removable and replaceable filter element. The filter element can include a flange-receiving recess in a first end cap construction. Alternatively, the first end cap construction can include alternating radially protruding projections and radially inward recesses. Alternatively, th...