ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,094, issued on Aug. 5, was assigned to ClearFlow Inc. (Irvine, Calif.).

"Devices and methods related to medical tubes" was invented by Edward M. Boyle Jr. (Bend, Ore.), Paul Molloy (Anaheim, Calif.), Wayne A. Noda (Mission Viejo, Calif.), Kenneth J. Chesnin (Long Beach, Calif.), Al Diaz (Anaheim, Calif.), Daniel Hyman (Foothill Ranch, Calif.) and Jon D. Jacobson (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive system for cleaning debris within a medical tube. The drive system includes a housing defining an interior and an elongated guide wire residing at least partially within the interior. A roller is disposed in said interior ...