ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,124, issued on June 30, was assigned to Pfeiffer Vacuum Technology AG (Asslar, Germany).
"Pump and method of manufacturing a sealing" was invented by Bernd Koci (Schoeffengrund, Germany), Jonas Becker (Bischoffen, Germany) and Sebastian Latta (Wetzlar, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a pump, in particular a vacuum pump, comprising a pump-active component having a coating, wherein the coating comprises an oxide layer, which is in particular formed by anodic oxidation in an acidic electrolyte and which has pores, and a fluorine-free polymer-based and/or sol-gel-based sealing, and wherein the pore...