ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,880, issued on Feb. 10, was assigned to HEMA Maschinen- und Apparateschutz GmbH (Seligenstadt, Germany).

"Vacuum-compatible clamping and/or braking device" was invented by Edmund Likus (Seligenstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to an annular elastic element for a clamping and/or braking device, the element comprising: an annular spring plate, wherein the annular spring plate has a first annular side surface and a second annular side surface; a sealing element, wherein the sealing element is arranged on the second side surface of the spring plate, and wherein the sealing element forms an inner project...