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Class Information
Number: 137/624.15
Name: Fluid handling > Systems > Programmer or timer > Repeating cycle > Variable
Description: Subject matter in which means is provided for changing the cycle of operation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7377287 |
Intermittent pressure module |
May. 27, 2008 |
| 7237571 |
Pulsating vibration air generation apparatus |
Jul. 3, 2007 |
| 7143773 |
Intermittent pressure module for a vacuum regulator |
Dec. 5, 2006 |
| 6913031 |
Pulse shot type flow controller and pulse shot type flow controlling method |
Jul. 5, 2005 |
| 6820640 |
Vibratory patient support system |
Nov. 23, 2004 |
| 6581232 |
Pool cleaning apparatus |
Jun. 24, 2003 |
| 6537058 |
Gas appliances |
Mar. 25, 2003 |
| 6390116 |
Large amplitude pneumatic oscillator |
May. 21, 2002 |
| 6206042 |
Modular control apparatus for water treatment system |
Mar. 27, 2001 |
| 6116474 |
Metering valve and method for the metered delivery of pasty mediums |
Sep. 12, 2000 |
| 6089269 |
Partially stroking an emergency valve |
Jul. 18, 2000 |
| 6053203 |
Mechanically-driven pulsating flow valve for heat and mass transfer enhancement |
Apr. 25, 2000 |
| 5985155 |
Method and apparatus for automatic adjustment of halogen production in a water treatment system |
Nov. 16, 1999 |
| 5983937 |
Flow control device |
Nov. 16, 1999 |
| 5975124 |
Water temperature and level regulator |
Nov. 2, 1999 |
| 5957200 |
Plunger lift controller |
Sep. 28, 1999 |
| 5899219 |
Ratio mixing valve and method for controlling dither in same |
May. 4, 1999 |
| 5873388 |
System for stabilization of pressure perturbations from oxidation systems for treatment of process gases from semiconductor manufacturing operations |
Feb. 23, 1999 |
| 5836353 |
Valve assembly for borehole telemetry in drilling fluid |
Nov. 17, 1998 |
| 5797582 |
Distribution device for feeding a capacitor with gaseous fluid |
Aug. 25, 1998 |
| 5785123 |
Apparatus and method for controlling a well plunger system |
Jul. 28, 1998 |
| 5783155 |
Sheet flow fluid sampling apparatus |
Jul. 21, 1998 |
| 5590687 |
Control mechanism for a water conditioning system |
Jan. 7, 1997 |
| 5568221 |
Apparatus for processing silver halide photographic light-sensitive material |
Oct. 22, 1996 |
| 5480137 |
Suction-air control device for a sheet-transfer drum |
Jan. 2, 1996 |
| 5463987 |
Variable valve timing mechanism |
Nov. 7, 1995 |
| 5425389 |
Method and apparatus for contiguous valve control |
Jun. 20, 1995 |
| 5326374 |
Body-implantable device for controlling the size of a fluid passageway |
Jul. 5, 1994 |
| 5322086 |
Hands-free, leg-operated, faucet-control device |
Jun. 21, 1994 |
| 5313873 |
Device for controlling the flow of fluid to a fluid unit |
May. 24, 1994 |
| 5285536 |
Wave generating system |
Feb. 15, 1994 |
| 5156814 |
Flow injection analysis |
Oct. 20, 1992 |
| 5146991 |
Method for well production |
Sep. 15, 1992 |
| 5143290 |
Single-sprinkler controller |
Sep. 1, 1992 |
| 5141847 |
Method and apparatus for producing pulsation |
Aug. 25, 1992 |
| 5098667 |
Particulate flow control |
Mar. 24, 1992 |
| 5058625 |
Valve for intermittent introduction of fuel |
Oct. 22, 1991 |
| 5056547 |
Relative humidity generation technique |
Oct. 15, 1991 |
| 4967796 |
Fuel injection regulating valve |
Nov. 6, 1990 |
| 4933018 |
High pressure hose pulsation cleaning method |
Jun. 12, 1990 |
| 4913180 |
Control system and method for chemical injectors |
Apr. 3, 1990 |
| 4869427 |
Shower system |
Sep. 26, 1989 |
| 4846098 |
Apparatus for intermittent application of a coating |
Jul. 11, 1989 |
| 4799142 |
Irrigation controller |
Jan. 17, 1989 |
| 4793513 |
Device for delivering hot water |
Dec. 27, 1988 |
| 4793779 |
Rotating piston compressor having an axially adjustable rotary sleeve valve |
Dec. 27, 1988 |
| 4774976 |
Modulating hydraulic pressure control valve and assembly method therefor |
Oct. 4, 1988 |
| 4768716 |
Vehicle speed sensitive windshield washer control |
Sep. 6, 1988 |
| 4768705 |
Cold/hot water discharging apparatus |
Sep. 6, 1988 |
| 4715398 |
Liquid level control |
Dec. 29, 1987 |
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