Water-closets or urinals with flushing devices: other component parts of water-closets

Official title: Other component parts of water-closets (pipe-joints or couplings in general F16L ){, e.g. noise-reducing means in the flushing system (noise-reducing means in combination with flushing valves E03D9/14), flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe}

E03D11/00 (Water-closets or urinals with flushing devices: other component parts of water-closets) appears on 1,489 US grants and 1,524 published applications in this corpus.