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Class Information
Number: 137/564.5
Name: Fluid handling > Systems > Main line as motive fluid for follower-type feeder
Description: System including an additive reservoir in a shunt on a main line, the reservoir including noncommunicating compartments defined by a blind follower actuated by main line pressure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7093606 |
Liquid fertilizer injector system for lawn sprinkler systems and irrigation systems |
Aug. 22, 2006 |
| 6997350 |
Apparatus for adding fertilizer to water in an underground sprinkling system and fertilizer therefor |
Feb. 14, 2006 |
| 6966503 |
Sprinkler provided with a built-in mechanism for dispensing detergent |
Nov. 22, 2005 |
| 6701953 |
Chemical mixing and metering apparatus |
Mar. 9, 2004 |
| 6659128 |
Fluid injection with vent/proportioner ports |
Dec. 9, 2003 |
| 6659117 |
Method for dispensing a solution |
Dec. 9, 2003 |
| 6588929 |
Portable mixing and dispensing apparatus and method |
Jul. 8, 2003 |
| 6419118 |
Containers with flexible pouch and closure member |
Jul. 16, 2002 |
| 6302148 |
Coupling device |
Oct. 16, 2001 |
| 6164326 |
Device for introducing encapsulated products into water |
Dec. 26, 2000 |
| 5957153 |
Oscillating dual bladder balanced pressure proportioning pump system |
Sep. 28, 1999 |
| 5913327 |
Device for introducing substances into water |
Jun. 22, 1999 |
| 5538027 |
Pressure balancing foam valve |
Jul. 23, 1996 |
| 5435346 |
Device for treating and conditioning engine coolant |
Jul. 25, 1995 |
| 5396914 |
Detergent dispenser in a dishwashing machine |
Mar. 14, 1995 |
| 5366159 |
Automatic lawn and garden feeding apparatus |
Nov. 22, 1994 |
| 5353990 |
Liquid additives dispenser for sprinkler systems |
Oct. 11, 1994 |
| 5251656 |
Multiple chemical feeder for swimming pools |
Oct. 12, 1993 |
| 5246168 |
Liquid additives dispenser for sprinkler systems |
Sep. 21, 1993 |
| 5213129 |
Fluid mixing device |
May. 25, 1993 |
| 5165442 |
Differential valve |
Nov. 24, 1992 |
| 5129730 |
Fluid mixing device |
Jul. 14, 1992 |
| 5094269 |
Liquid fertilizer metering system |
Mar. 10, 1992 |
| 5088517 |
Apparatus for admitting flowable additive to a liquid |
Feb. 18, 1992 |
| 5009244 |
Fire fighting foam mixing system |
Apr. 23, 1991 |
| 5004158 |
Fluid dispensing and mixing device |
Apr. 2, 1991 |
| 4974634 |
Liquid fertilizer metering system |
Dec. 4, 1990 |
| 4971105 |
Hydraulic fluid injection apparatus |
Nov. 20, 1990 |
| 4887640 |
Fluid injection system |
Dec. 19, 1989 |
| 4886212 |
Spraying device having controlled additive fluid feed and a telescoping spray tube assembly |
Dec. 12, 1989 |
| 4846220 |
Medicator with readily changeable orifice size |
Jul. 11, 1989 |
| 4736769 |
Device for introducing an additive liquid into a carrier liquid flowing in a pipe |
Apr. 12, 1988 |
| 4682734 |
Spraying device having controlled additive fluid feed and a telescoping spray tube assembly |
Jul. 28, 1987 |
| 4651765 |
Fertilizer pump |
Mar. 24, 1987 |
| 4635848 |
Irrigation additive delivery system |
Jan. 13, 1987 |
| 4545535 |
Liquid metering and dispensing apparatus |
Oct. 8, 1985 |
| 4467964 |
Automatic mixing device for use in a shower head |
Aug. 28, 1984 |
| 4449543 |
Fluid injecting method and apparatus |
May. 22, 1984 |
| 4418869 |
Hose mounted fluid mixing sprayer |
Dec. 6, 1983 |
| 4406406 |
Liquid metering and dispensing apparatus |
Sep. 27, 1983 |
| 4403944 |
Auxiliary device for oil burner for mixing water and oil for combustion |
Sep. 13, 1983 |
| 4364516 |
Injector |
Dec. 21, 1982 |
| 4352374 |
Apparatus for diluting a concentrated solution |
Oct. 5, 1982 |
| 4315600 |
Spray gun injector |
Feb. 16, 1982 |
| 4248266 |
Liquid soap injector for a water bath spray system |
Feb. 3, 1981 |
| 4244494 |
Method for inserting an additive liquid into a flowing fluid and discharging the resultant mixture |
Jan. 13, 1981 |
| 4240465 |
Medicator construction |
Dec. 23, 1980 |
| 4210175 |
Chemical injection assembly |
Jul. 1, 1980 |
| RE30301 |
Beverage mixing and dispensing apparatus |
Jun. 10, 1980 |
| 4171070 |
Apparatus for inserting an additive liquid into a flowing fluid and discharging the resultant mixture |
Oct. 16, 1979 |
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