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Class Information
Number: 137/624.13
Name: Fluid handling > Systems > Programmer or timer > Repeating cycle
Description: Subject matter in which the actuating means is capable of causing a cycle of operation of one or more valves to be repeated.










Sub-classes under this class:

Class Number Class Name Patents
137/624.14 Self-cycling 239
137/624.15 Variable 117


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8596300 At-surface tool for pulse-injection of liquids Dec. 3, 2013
8393352 Control system and method for water supply Mar. 12, 2013
8166992 Placement of fluids in ground by pulse-injection May. 1, 2012
7793681 Methods and systems for performing, monitoring and analyzing multiple machine fluid processes Sep. 14, 2010
7526365 Continuous-flow irrigation timer Apr. 28, 2009
7491321 Oxidation tank control valve assembly and systems and methods for replenishing a charge of oxygen-containing gas within an oxidation tank Feb. 17, 2009
RE40511 Rotary disc valve Sep. 23, 2008
7377287 Intermittent pressure module May. 27, 2008
7237571 Pulsating vibration air generation apparatus Jul. 3, 2007
7165577 Cleaning valve drive unit Jan. 23, 2007
7163026 Valve unit and fluid control chip Jan. 16, 2007
7143773 Intermittent pressure module for a vacuum regulator Dec. 5, 2006
7013917 Rotary valve Mar. 21, 2006
6962169 Device for generating a pulsating stream of fluid Nov. 8, 2005
6955722 Method and apparatus for application of a material to a substrate Oct. 18, 2005
6955145 Methods and apparatus for receiving excessive inputs in a VCT system Oct. 18, 2005
6883543 Pulse detonation engine having an aerodynamic valve Apr. 26, 2005
6868859 Rotary gas valve for pulsing a gas Mar. 22, 2005
6827104 Seal and valve systems and methods for use in expanders and compressors of energy conversion systems Dec. 7, 2004
6820635 Flushing attachment for hydrant Nov. 23, 2004
6782919 Revolving valve for an oxygen machine Aug. 31, 2004
6779557 Rotary disc valve Aug. 24, 2004
6776188 Injector Aug. 17, 2004
6675826 Automatic flood prevention system Jan. 13, 2004
6672335 Automated dump sand separator control system Jan. 6, 2004
6607008 Pulsating vibration air generation means Aug. 19, 2003
6571825 Rotary valve Jun. 3, 2003
6444127 Water conditioning unit control valve Sep. 3, 2002
6431294 Percussive tool Aug. 13, 2002
6390116 Large amplitude pneumatic oscillator May. 21, 2002
6345645 Fluid distribution valve Feb. 12, 2002
6254082 Rotary valve Jul. 3, 2001
6244228 Rotary-to-linear motion converter and use thereof Jun. 12, 2001
6206042 Modular control apparatus for water treatment system Mar. 27, 2001
6142170 Apparatus and method for dispensing disinfectant compositions for disinfecting water systems and lines Nov. 7, 2000
6138928 Center pivot suspension distribution system Oct. 31, 2000
6125870 Overflow protection for a washing machine Oct. 3, 2000
6116474 Metering valve and method for the metered delivery of pasty mediums Sep. 12, 2000
6112341 Rotary pulsing valve Sep. 5, 2000
6089269 Partially stroking an emergency valve Jul. 18, 2000
6085786 Cyclic flow valve Jul. 11, 2000
6062826 Pulsating vibration air generation means May. 16, 2000
6058956 Cycling self checking block valve May. 9, 2000
6053203 Mechanically-driven pulsating flow valve for heat and mass transfer enhancement Apr. 25, 2000
6050299 High pressure air sequencer Apr. 18, 2000
6012477 Circulating drainage system for sewage pipe installation work Jan. 11, 2000
5979501 Fluid distributing apparatus for piston-type hydraulic motors or pumps Nov. 9, 1999
5954092 Pulsed flow generator Sep. 21, 1999
5954093 Rotary servo valve Sep. 21, 1999
5927329 Apparatus for generating a high-speed pulsed fluid jet Jul. 27, 1999

1 2 3 4










 
 
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