ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,140, issued on March 18, was assigned to Suspa GmbH (Germany).

"Temperature compensating valve for gas springs" was invented by Tyler S. Hernden (Grand Rapids, Mich.), Dennis R. Baker (Grand Rapids, Mich.), Ryan T. Anderson (Grand Rapids, Mich.), Kevin T. Braat (Grand Rapids, Mich.) and D. Stuart Atwater (Grand Rapids, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A temperature compensating valve assembly is provided that includes a bimetallic spring that deforms from a closed position to an open position in response to temperature, and a single-piece valve body having an aperture therethrough and having an open end for receiving the bimetal...