MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202647125745 A) filed by Kessel Se Co. Kg on October 22, 2026, for Vertical Backflow Preventer With Automatically Closed Drop Flap.
Inventor includes Kessel, Bernhard.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: The invention relates to a tubular backflow preventer for a vertical installation in a waste water pipe gradient, comprising a waste water inlet connection piece; a waste water outlet connection piece, a waste water passage path of the backflow preventer running from the waste water inlet connection piece to the waste water outlet connection piece; and a pivotable drop flap which sealin...