Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/448
Name: Fluid handling > Liquid level responsive or maintaining systems > By float controlled valve > Float arm operated valve > Pivoted valve
Description: Apparatus in which the valve controlled by the float arm is pivoted to swing about an axis for controlling the fluid flow.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8596293 Water appliance having a flow control unit and a filter assembly Dec. 3, 2013
8596289 Pressure regulating float valve Dec. 3, 2013
8578961 Low profile backwater valve Nov. 12, 2013
8517045 Automatic fluid flow control device Aug. 27, 2013
8499785 Overflow valve for prevention of water vapor loss Aug. 6, 2013
8485215 Liquid tank venting system Jul. 16, 2013
8474478 Float valve Jul. 2, 2013
8430118 Automatic flush device Apr. 30, 2013
8430119 Water valve for animal waterer permitting assembly without tools Apr. 30, 2013
8215335 Automatic fluid flow control device Jul. 10, 2012
8186376 Liquid purge valve May. 29, 2012
8091581 Fluid level control toggle valve device and method Jan. 10, 2012
8033291 Magnetically activated cut-off valve assembly Oct. 11, 2011
7469725 Method and apparatus for accurately delivering a predetermined amount of fuel to a vehicle Dec. 30, 2008
7395633 Rainwater collection and diverging system Jul. 8, 2008
7357149 Auxiliary fuel tank systems for aircraft and methods for their manufacture and use Apr. 15, 2008
7334600 Priming apparatus for a centrifugal pump Feb. 26, 2008
7331365 Lavatory service shut-off valve Feb. 19, 2008
7243675 Drop tube segments adapted for use with a liquid reservoir Jul. 17, 2007
7243669 Float-responsive valve with premature closure prevention Jul. 17, 2007
7213610 Drop tube segments adapted for use with a liquid reservoir and methods May. 8, 2007
7044165 Outflow regulator for a gravity-fed liquid outlet May. 16, 2006
6966334 Float valve for a christmas tree watering system Nov. 22, 2005
6886589 Float valve May. 3, 2005
6874529 Level limit valve Apr. 5, 2005
6749743 Fuel diverter for a recirculating wastewater treatment system Jun. 15, 2004
6729368 Lavatory service shut off valve May. 4, 2004
6499503 Backflow valve Dec. 31, 2002
6446665 Backwater valve Sep. 10, 2002
6419662 Continuous irrigation Y-tubing control valve device and system Jul. 16, 2002
6318404 Backflow valve Nov. 20, 2001
6305411 Normally-open backwater valve Oct. 23, 2001
6148852 Sump pit regulating valve Nov. 21, 2000
6138707 Fuel storage tanks Oct. 31, 2000
6089258 Float valve assembly for a water purification system Jul. 18, 2000
6062255 Float valve assembly for a water purification system May. 16, 2000
5988201 Automatic vent having a multi-hinged valve Nov. 23, 1999
5899227 Air transfer valve for fuel storage tanks May. 4, 1999
5894858 Device for shutting off the feed or discharge pipe of a mobility separator Apr. 20, 1999
5839465 Above-ground tank auto-limiter Nov. 24, 1998
5755257 Retention gate May. 26, 1998
5655565 Above-ground tank auto-limiter Aug. 12, 1997
5573031 Air bleed valve Nov. 12, 1996
5564465 Fill restricting drop tube Oct. 15, 1996
5553636 Watering through fill valve control Sep. 10, 1996
5533545 Drain system Jul. 9, 1996
5518024 Overfill prevention device for storage tanks May. 21, 1996
5462075 Method and device for controlling a flow of fluid Oct. 31, 1995
5419359 Gas and liquid backflow-preventing valve device for drains May. 30, 1995
5406972 Backwater valve Apr. 18, 1995

1 2 3










 
 
  Recently Added Patents
Requirements model comparative analysis method for effort estimation in customizing a network monitoring and control system
Microporous membranes and methods for producing and using such membranes
Performance monitoring of advanced process control systems
Rupture resistant system
Distortion estimation for quantized data
Systems and methods for electronic verification of vehicle insurance coverage
JTAG multiplexer with clock/mode input, mode/clock input, and clock output
  Randomly Featured Patents
Photographic elements containing clad vanadium pentoxide antistatic layer
Semiconductor memory device and method of fabricating the same
Printer interface apparatus with plug-in unit authorized for reception of data upon type verification
Animating graphical objects using input video
Insulated garage door panel
Method for recovery of CO2 from gas streams
Method to deposit a seeding layer for electroless copper plating
Washing apparatus
Topper unit, machine and method
Laser radar device and method