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Class Information
Number: 239/254
Name: Fluid sprinkling, spraying, and diffusing > Distributor continuously moves relative to support during spraying > Reaction-type nozzle motive means > Filter bed type or fluid seal
Description: Apparatus which includes (1) a reaction driven distributor disclosed as cooperating with a sludge settling area or large filtering plant, or (2) a means to seal the apparatus against the loss or leakage of fluid, said means consisting of a receptacle to hold a heavy liquid in a location where it will block the path of egress of said fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
7032837 Toy water gun with variable spray patterns Apr. 25, 2006
6231756 Rotary distributor speed control system for trickling filters May. 15, 2001
6218232 Method for fabricating DRAM device Apr. 17, 2001
5284298 Fluid-conducting swivel and method Feb. 8, 1994
5190644 Motion controller for wastewater treatment trickling filter Mar. 2, 1993
5061080 Rotary agitator Oct. 29, 1991
4821961 Self-rotating nozzle Apr. 18, 1989
4119273 System for pollution suppression Oct. 10, 1978

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