ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,880, issued on Sept. 15.
"System for treating and preventing blockage and/or airlocks in sanitation fixtures" was invented by Avraham Amzallag (Tel Aviv, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for preventing and treating blockage and/or airlock of a sanitation fixture. The system and method may include a cleaning head that is moved manually to break up a blockage in a trap and/or a drain tube. The system and method may include a venting air from an airlock from a vent in a siphon above the bottom of a connection between the siphon and a drain pipe to the drain tube above the vent."
The patent was filed on Aug. 5,...