US Patent Issued to Aventics on Sept. 2 for "Safety valve" (German Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,881, issued on Sept. 2, was assigned to Aventics GmbH (Laatzen, Germany).

"Safety valve" was invented by Heinz-Hermann Meyer (Seelze, Germany) and Martin Pilcher (Hannover, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "For connecting high pressures and flows, a safety valve includes a first main stage which, in a rest position, connects a fluid outlet to a first relief outlet and, in a switched position, connects a fluid inlet to a fluid connection for a second main stage. The second main stage, in a rest position, connects the fluid outlet to a second relief outlet and, in a switched position, connects the fluid connection to a fluid outle...