ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,056, issued on April 21, was assigned to Saban Ventures Pty Ltd. (Macquarie Park, Australia).
"Suspension cleaning" was invented by Gavin Spargo (Lane Cove West, Australia) and Ingeborg Kristina Palmer (Lane Cove West, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of cleaning a contaminated surface, such as cleaning the elongate interior lumen of an endoscope contaminated with flesh, bone, blood, mucous, faeces or biofilm, said method comprising the steps of: providing a suspension of solid particles in a liquid to said contaminated surface, and flowing said suspension along said surface thereby to remove contaminant from the su...