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Class Information
Number: 137/447
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Float arm operated valve > Rotary valve element
Description: Apparatus including a valve which rotates on its axis to control the valve part or parts and is connected to the float arm for operation thereby.










Patents under this class:

Patent Number Title Of Patent Date Issued
8047223 Gauge assembly having a stop fill device Nov. 1, 2011
7921873 Service valve assembly having a stop-fill device and a liquid level indicating dial Apr. 12, 2011
7726334 Service valve assembly having a stop-fill device and remote liquid level indicator Jun. 1, 2010
7654281 Gauge assembly having a stop fill device Feb. 2, 2010
7518075 Energy accumulator Apr. 14, 2009
7293578 Gauge assembly having a stop fill device Nov. 13, 2007
7163282 Valve unit and liquid ejecting apparatus Jan. 16, 2007
6543471 Water heater fail safe apparatus Apr. 8, 2003
6336469 Domestic hot water service inlet shut off valve triggered by fluid level in overflow tray Jan. 8, 2002
6305411 Normally-open backwater valve Oct. 23, 2001
6305405 Valve for a tank and especially for a flow control arrangement having a plurality of fluid storage tanks Oct. 23, 2001
5832953 Overfill shut-off system for liquid storage tanks Nov. 10, 1998
5564464 Storage tank shut-off valve Oct. 15, 1996
5531247 Temperature and pressure resistant shutoff valve Jul. 2, 1996
5427137 Fluid shut off valve and fill level indication Jun. 27, 1995
5207241 Liquid shut-off valve May. 4, 1993
5205320 Flow rate control unit Apr. 27, 1993
5007450 Add-on liquid overflow shut-off valve for tank Apr. 16, 1991
4775466 Fuel separator system Oct. 4, 1988
4741358 Liquid level control float valve May. 3, 1988
4490311 Drum humidifier Dec. 25, 1984
4469116 Valve device for the prevention of the overfilling of portable containers, particulary gas cylinders Sep. 4, 1984
4136711 Pilot operated ball cock valve Jan. 30, 1979











 
 
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