ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,060, issued on July 22, was assigned to Andre Rathammer (Vienna).
"Drain device" was invented by Andre Rathammer (Vienna).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drainage device is provided that includes an inlet opening connectable to a sanitary appliance, a drainage opening connectable to a sewage pipe, and a closure section arranged between the inlet opening and the drainage opening. Passage of gas between the inlet opening and the drainage opening can be prevented by filling the closure section with a liquid. The drainage device further includes an actuating means and a vent opening. In a rest position, the actuating means closes the ven...