ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,936, issued on July 15, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).
"Filter systems, elements and methods with short-range wireless tracking features" was invented by Danny W. Miller (Ackley, Iowa) and Daniel E. Adamek (Bloomington, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects herein include filter systems including short-range wireless tracking features to detect insertion and/or removal of filter elements from filter systems. In an embodiment, a filtration system is included having a housing including a fluid inlet and a fluid outlet. The housing can define an internal volume. A first filter element can be removably di...