US Patent Issued to Donaldson on March 4 for "Pulse ring assembly for air cleaner systems and methods thereof" (Minnesota Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,934, issued on March 4, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).

"Pulse ring assembly for air cleaner systems and methods thereof" was invented by Thomas R. Olson (Prior Lake, Minn.), Fred H. Wahlquist (Bloomington, Minn.), David W. Mulder (Bloomington, Minn.), Robert R. Levac (Burnsville, Minn.) and Daniel E. Adamek (Bloomington, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pulse ring assembly for air cleaner systems that is adapted to produce a pulse ring of gas to clean a filter element. The air cleaner system may include an outer tube and an inner tube configured to receive the inner tube such that at least a portion of...