ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,249, issued on Aug. 26, was assigned to BURCKHARDT COMPRESSION AG (Winterthur, Switzerland).

"Sealing element and/or support ring made of compressed carbon-fiber-reinforced composite material" was invented by Alexandre Voser (Elsau, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a sealing element and/or a support ring, in particular for a reciprocating compressor, manufactured by compression molding of a mixture of chips of carbon fiber-reinforced composite material, wherein at least part of the chips contains carbon fibers having a length of 3 to 20 mm, and wherein the carbon fibers in the sealing elemen...