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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 |
| 5106511 |
On-line biological inhibition/toxicity detector |
Apr. 21, 1992 |
| 5106491 |
Device for eliminating boiler scale using arrangement of magnetic coils and baffle plates |
Apr. 21, 1992 |
| 5104553 |
Apparatus for filtering a reagent |
Apr. 14, 1992 |
| 5104524 |
Apparatus for washing a solvent in the reprocessing of irradiated nuclear fuels |
Apr. 14, 1992 |
| 5102534 |
Automatic filter cleaning device by ultrasound generator modulated thru device side wall |
Apr. 7, 1992 |
| 5096598 |
Pressurized purging of a liquid drain for a vacuum system |
Mar. 17, 1992 |
| 5094741 |
Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids |
Mar. 10, 1992 |
| 5091096 |
Marine oil spill recovery apparatus and method |
Feb. 25, 1992 |
| 5091095 |
System for controlling drain system treatment using temperature and level sensing means |
Feb. 25, 1992 |
| 5087354 |
Biological contactor for purifying water to produce drinking water |
Feb. 11, 1992 |
| 5087356 |
Solder dross removal apparatus |
Feb. 11, 1992 |
| 5080785 |
Chromatographic system |
Jan. 14, 1992 |
| 5078903 |
Pressure-fed drum filter separation apparatus with elongated, tangential nozzles |
Jan. 7, 1992 |
| 5078901 |
Automatic fuel decontamination system and method |
Jan. 7, 1992 |
| 5074999 |
Filter system having multiple filter elements and backflushing assemblies |
Dec. 24, 1991 |
| 5073255 |
Water treatment apparatus |
Dec. 17, 1991 |
| 5071562 |
Chromatographic system with mixer |
Dec. 10, 1991 |
| 5071567 |
Installation and process for filtration of a machining liquid in a continuous supply circuit |
Dec. 10, 1991 |
| 5069796 |
System for removing volatile components from water derived from wells |
Dec. 3, 1991 |
| 5069779 |
Water treatment system |
Dec. 3, 1991 |
| 5064529 |
Apparatus for testing membrane filters |
Nov. 12, 1991 |
| 5061375 |
Grit removal devices and method of using same |
Oct. 29, 1991 |
| 5061371 |
Chromatographic separation apparatus |
Oct. 29, 1991 |
| 5057213 |
Apparatus and a system for monitoring impurity in a liquid |
Oct. 15, 1991 |
| 5055202 |
Method and apparatus for maintaining predetermined cyclone separation efficiency |
Oct. 8, 1991 |
| 5051173 |
Device to remove oil from oil filter |
Sep. 24, 1991 |
| 5045186 |
Filtration method and filter press for employing the method |
Sep. 3, 1991 |
| 5045187 |
Regeneration system for water conditioners such as water softeners |
Sep. 3, 1991 |
| 5045185 |
Blood separator for separating blood components from a blood bag into separation bags |
Sep. 3, 1991 |
| 5045213 |
Waste water treatment method and apparatus |
Sep. 3, 1991 |
| 5043074 |
Device and method for measuring the ultrafiltration in an artificial kidney |
Aug. 27, 1991 |
| 5022994 |
Fluid treatment system |
Jun. 11, 1991 |
| 5021166 |
Method and an apparatus for extracting a liquid from a sludge |
Jun. 4, 1991 |
| 5019250 |
Automatic chemical dispenser |
May. 28, 1991 |
| 5015393 |
Automatically adjustable weir and environmentally protected sensor for a floating sludge removal system |
May. 14, 1991 |
| 5015591 |
Method and apparatus for filtering and metering liquid samples |
May. 14, 1991 |
| 5013442 |
Aerobic wastewater treatment with alkalinity control |
May. 7, 1991 |
| 5009775 |
Method of controlling amount of removed water by ultrafiltration and control device for controlling amount of removed water by ultrafiltration in hemodialysis |
Apr. 23, 1991 |
| 5006232 |
Sewage treatment plant |
Apr. 9, 1991 |
| 5006231 |
Flocculant control system |
Apr. 9, 1991 |
| 5006233 |
Water purification system |
Apr. 9, 1991 |
| 5004547 |
Method and apparatus for bioaffinity separation |
Apr. 2, 1991 |
| 4997558 |
Suction control filter system for swimming pools |
Mar. 5, 1991 |
| 4990245 |
Sequence controller system for regenerating water treatment units |
Feb. 5, 1991 |
| 4988427 |
Liquid/solid separation unit |
Jan. 29, 1991 |
| 4981597 |
Gradient system |
Jan. 1, 1991 |
| 4981600 |
Method and means for treating sludge |
Jan. 1, 1991 |
| 4980058 |
Separation of hemoglobin A.sub.2 from hemoglobin mixture |
Dec. 25, 1990 |
| 4976872 |
Cyclone separator |
Dec. 11, 1990 |
| 4976851 |
Liquid separator |
Dec. 11, 1990 |
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