ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,857, issued on Aug. 4, was assigned to Georg Fischer Rohrleitungssysteme AG (Schaffhausen, Switzerland).
"Coupling" was invented by Maxim Wasetzki (Singen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid coupling containing two coupling halves coupled to one another via connecting elements. Each of the coupling halves containing a housing which has an end face. The end face having at least one connecting element for the mutual connection of the coupling halves. The housing having connecting faces of the two coupling halves contacting one another when in the coupled state. A spherical valve element and a locking element, which can be mu...