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Class Information
Number: 137/579
Name: Fluid handling > Systems > Tank with movable or adjustable outlet or overflow pipe > Swinging outlet pipe or spout
Description: Systems in which the movable outlet comprises a pipe or spout which is mounted to swing with respect to the tank to control the level within the tank.










Patents under this class:

Patent Number Title Of Patent Date Issued
7047949 Venting device May. 23, 2006
6640828 Flushing apparatus and method thereof Nov. 4, 2003
6503392 Distribution box for a wastewater treatment system Jan. 7, 2003
6449781 Apparatus for flushing in a liquid system Sep. 17, 2002
6302123 Rotary liquid diverter for industrial parts washer Oct. 16, 2001
6270246 Apparatus and method for precise mixing, delivery and transfer of chemicals Aug. 7, 2001
6027240 Apparatus and method for precise mixing, delivery and transfer of chemicals Feb. 22, 2000
5893385 Liquid discharging device for discharging liquid stored on a bottom wall of an interior of a compressed natural gas tank of a vehicle Apr. 13, 1999
5735085 Hinged downspout Apr. 7, 1998
5680989 Adjustable weir for liquid distribution systems Oct. 28, 1997
5673519 Downspout extension device Oct. 7, 1997
5385084 Variable flow apparatus for cooking food Jan. 31, 1995
5303685 Homogenizing fuel pickup system Apr. 19, 1994
5123444 Back flow blocker in sloping pipes Jun. 23, 1992
5095836 Emergency bulk liquid handling system for vessels Mar. 17, 1992
4915130 Revolving fuel pick-up tube Apr. 10, 1990
4693821 Weir for waste water treatment systems Sep. 15, 1987
4621657 Automatic water level monitoring system Nov. 11, 1986
4555587 Enclosure for a power supply Nov. 26, 1985
4546750 Secondary reservoir for a fuel tank Oct. 15, 1985
4448210 Apparatus and method for controlling the level of a liquid in a tank May. 15, 1984
4396581 Apparatus for making phosphorus pentasulfide Aug. 2, 1983
4321948 Discharge system for septic tank Mar. 30, 1982
4305426 Apparatus for continuous constant discharge of liquid from a container Dec. 15, 1981
4275522 Bait box with passive circulation Jun. 30, 1981











 
 
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