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Class Information
Number: 137/433
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Rectilinearly traveling float > Float co-axial with valve or port > Float rigid with valve
Description: Apparatus in which the float and valve controlled thereby are rigidly connected together.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8573246 Automatic filling termination device and cryogenic vessel with the same Nov. 5, 2013
8371323 Method and apparatus for transporting a particulate material Feb. 12, 2013
8347909 Float valve system for a respiratory humidification system Jan. 8, 2013
8342168 System for heating liquid by solar radiation Jan. 1, 2013
8113231 Device for controlling water level Feb. 14, 2012
8066100 Oil pan and lubricating device Nov. 29, 2011
8056154 Automatic flushing device with magnetic valve Nov. 15, 2011
7882823 Double shut-off refueling valve Feb. 8, 2011
7866334 Sewer pipe gas exhaust filter apparatus Jan. 11, 2011
7789104 Backflow preventing apparatus for water closets Sep. 7, 2010
7775232 Flowing-down rainwater filtration device and rainwater storage device using the same Aug. 17, 2010
7597114 Venting device Oct. 6, 2009
7584766 Overfill prevention valve for shallow tanks Sep. 8, 2009
7412987 Expansion tank with valve Aug. 19, 2008
7370665 Tanks May. 13, 2008
7306004 Device for the metered passage of a liquid Dec. 11, 2007
7108068 Floating plate back pressure valve assembly Sep. 19, 2006
7059342 Liquid shut-off system Jun. 13, 2006
6966334 Float valve for a christmas tree watering system Nov. 22, 2005
6886588 Buoyancy flushing apparatus and method thereof May. 3, 2005
6874529 Level limit valve Apr. 5, 2005
6848465 Dual-action vent check valve Feb. 1, 2005
6810904 Lavatory flush tank silent-operating fill device Nov. 2, 2004
6779553 Emergency backflow system Aug. 24, 2004
6749743 Fuel diverter for a recirculating wastewater treatment system Jun. 15, 2004
6695004 Magnetic automatic stop valve Feb. 24, 2004
6688330 Silenced valve Feb. 10, 2004
6615862 Float for liquid waste disposal apparatus Sep. 9, 2003
6564820 Gas flow stop device May. 20, 2003
6551504 Valve for a fluid treatment system Apr. 22, 2003
6427719 Hydromagnetic valve for toilets Aug. 6, 2002
6394129 Device for preventing a fuel tank to be overfilled May. 28, 2002
6341618 Plumbing stop valve and method of use Jan. 29, 2002
6336467 Float and valve assembly for accumulator Jan. 8, 2002
6325094 Self-metering reservoir Dec. 4, 2001
6314988 Flood control valve assembly Nov. 13, 2001
6209570 Automatic flush valve Apr. 3, 2001
6138707 Fuel storage tanks Oct. 31, 2000
6131605 Automatic drain for freight container Oct. 17, 2000
6129110 Fluid level management system Oct. 10, 2000
6095179 Flood control valve assembly Aug. 1, 2000
6092547 Double funnel float valve Jul. 25, 2000
6085779 Draining gutter Jul. 11, 2000
6058964 Multi-level fuel pickup May. 9, 2000
6019114 Self-metering reservoir Feb. 1, 2000
6016828 Vault vent having dual ball water seal Jan. 25, 2000
6012481 Constant-level fluid supplier Jan. 11, 2000
6003542 Automatic shutoff valve Dec. 21, 1999
5942105 Float actuated water control valve Aug. 24, 1999
5915408 Float valve assembly Jun. 29, 1999

1 2 3 4










 
 
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