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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 137/624.14
Name: Fluid handling > Systems > Programmer or timer > Repeating cycle > Self-cycling
Description: Subject matter powered by the fluid controlled by the valve.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5988196 Cyclically-operated hydraulic device particularly useful as a liquid pulsators, and method of operating same Nov. 23, 1999
5950676 Expansible bellows and pulsator device including same Sep. 14, 1999
5927329 Apparatus for generating a high-speed pulsed fluid jet Jul. 27, 1999
5899219 Ratio mixing valve and method for controlling dither in same May. 4, 1999
5879559 Valve controller for water conditioning system Mar. 9, 1999
5853524 Pneumatic circuit for strapping tool having adjustable tension control Dec. 29, 1998
5844137 Purge system Dec. 1, 1998
5752547 Fluid flow control valve May. 19, 1998
5737791 Cleaner for a submerged surface Apr. 14, 1998
5738136 Pulsator device and method Apr. 14, 1998
5687815 Apparatus for supplying lubricant alternatively to opposite sides of a lubricant dispenser metering piston Nov. 18, 1997
5685484 Pressurized water toy having a pressure actuated pulsator Nov. 11, 1997
5675982 Pulsed operation control valve Oct. 14, 1997
5609178 Pressure-actuated valve and method Mar. 11, 1997
5581826 Swimming pool skimmer with flow shift valve for pool cleaners Dec. 10, 1996
5579806 High speed self switching valve for producing from a constant pressure fluid source a series of repetitive and variable fluid pulses Dec. 3, 1996
5544072 Method for regeneration of a water softener Aug. 6, 1996
5531381 Pulsating drip laterals Jul. 2, 1996
5507436 Method and apparatus for converting pressurized low continuous flow to high flow in pulses Apr. 16, 1996
5490932 Fluid treatment valve system with nozzle driven turbine Feb. 13, 1996
5468127 Pilot control valve having means for recovering exhaust fluids Nov. 21, 1995
5447273 Pneumatic timed spray dispenser Sep. 5, 1995
5441078 Device for terminating flow of a liquid after continuous flow of a predetermined duration Aug. 15, 1995
5425390 Purging method Jun. 20, 1995
5384928 Submerged surface cleaner Jan. 31, 1995
5366155 By-pass arrangement for controlling the return flow of a pilot valve connected into an irrigation network Nov. 22, 1994
5364028 Pneumatic timed spray dispenser Nov. 15, 1994
5337433 Pool cleaner Aug. 16, 1994
5316215 Liquid delivery apparatus May. 31, 1994
5303739 Fresh water supply system for an aircraft Apr. 19, 1994
5271598 Pneumatic impulse valve and separation system Dec. 21, 1993
5269335 Automatic pulsing valve Dec. 14, 1993
5267690 Device for the pulsating delivery of an irrigation liquid, and irrigation systems which incorporate the device Dec. 7, 1993
5265638 Magneto-pneumatic intermittent suction device Nov. 30, 1993
5265639 Magneto-pneumatic timing device Nov. 30, 1993
5265297 Pool cleaner with improved elastomeric valve Nov. 30, 1993
5249601 Flushing system for hog houses Oct. 5, 1993
5249745 Fluid distribution system Oct. 5, 1993
5222514 Method of operating a gas sealing valve and valve equipped plastic processing installation Jun. 29, 1993
5207354 Metered fluid valve with switchable outlets May. 4, 1993
5201342 Pulsator device Apr. 13, 1993
5169480 Time-control circuit for pneumatically operable devices Dec. 8, 1992
5144980 Fluid flow control apparatus Sep. 8, 1992
5109832 Method of and apparatus for producing alternating pressure in a therapeutic device May. 5, 1992
5098061 Cascaded pneumatic impulse separation system and valves therefor Mar. 24, 1992
5049008 Air pulse discharge control valve for fluidizing dry particulate material Sep. 17, 1991
5025962 Automatic timed release spray dispenser Jun. 25, 1991
5022994 Fluid treatment system Jun. 11, 1991
5018963 Pulsating gas powered light source May. 28, 1991
5007457 Pneumatic oscillators Apr. 16, 1991

1 2 3 4 5










 
 
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