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Class Information
Number: 210/143
Name: Liquid purification or separation > Automatic control
Description: Apparatus having means to sense some condition of a treatment operation and operate a control device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4146477 |
Material recovery apparatus |
Mar. 27, 1979 |
| 4145279 |
Water recycling system |
Mar. 20, 1979 |
| 4125375 |
Separation of solid and liquid components of mixtures |
Nov. 14, 1978 |
| 4118321 |
Device for tanks of circular type such as, for example, thickeners, sludge tanks, mixing tanks and the like |
Oct. 3, 1978 |
| 4099871 |
Method and apparatus for determination of activated sludge volume index |
Jul. 11, 1978 |
| 4090966 |
Sediment collection and removal system for rectangular sedimentation basin |
May. 23, 1978 |
| 4080809 |
Caster brake control system |
Mar. 28, 1978 |
| 4081376 |
Emergency running apparatus in a filtering apparatus |
Mar. 28, 1978 |
| 4080291 |
Cleaning device for sedimentation tank |
Mar. 21, 1978 |
| 4072611 |
Belt dewrinkling and alignment method and apparatus |
Feb. 7, 1978 |
| 4033871 |
Integrated monitor and control system for continuously monitoring and controlling pH and free halogen in swimming pool water |
Jul. 5, 1977 |
| 3992298 |
Dewatering machine |
Nov. 16, 1976 |
| 3970558 |
Frying grease reclaimer |
Jul. 20, 1976 |
| 3963612 |
System of water purification and product distribution |
Jun. 15, 1976 |
| 3931009 |
Water purification apparatus and timing device for initiating a backwashing cycle |
Jan. 6, 1976 |
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