ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,050, issued on Sept. 30, was assigned to MARINE FLOW Ltd. (Tillicoultry Central, Great Britain).
"Flexible impeller pump" was invented by Stuart Drysdale (Tillicoultry, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to improvements in the area of flexible impeller pumps. In particular, the present invention relates to flexible impellers with improved profiles (such as dual sealing lips), which are particularly well-suited to multiple cam pumps. A novel mounting hub configuration for mounting an impeller on a drive shaft is also provided. Pumps comprising such impellers and/or mounting hubs are provided, a...