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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 |
| 4814074 |
Water neutralizer |
Mar. 21, 1989 |
| 4810391 |
Separation of hemoglobin A.sub.2 from hemoglobin mixture |
Mar. 7, 1989 |
| 4809791 |
Removal of rock cuttings while drilling utilizing an automatically adjustable shaker system |
Mar. 7, 1989 |
| 4804478 |
Method and an arrangement for the treatment and disinfection of swimming and bathing reservoir water using chlorine and ozone |
Feb. 14, 1989 |
| 4801375 |
Water vending system |
Jan. 31, 1989 |
| 4795563 |
Nitrate adsorption unit |
Jan. 3, 1989 |
| 4783269 |
Injection control system of flocculating agent |
Nov. 8, 1988 |
| 4764280 |
Water softening apparatus |
Aug. 16, 1988 |
| 4764271 |
Water treatment apparatus |
Aug. 16, 1988 |
| 4756825 |
Apparatus for purifying hydrogen-free fluorinated lubricants |
Jul. 12, 1988 |
| 4737277 |
Vacuum expression belt tracking and control apparatus for rotary drum vacuum filter |
Apr. 12, 1988 |
| 4719018 |
Automatic water purifier |
Jan. 12, 1988 |
| 4711715 |
Apparatus for extracorporeal treatment of blood |
Dec. 8, 1987 |
| 4705055 |
Apparatus for automatically cleaning extrusion screens in juice finishing machines and the like |
Nov. 10, 1987 |
| 4695385 |
Dialyzer reuse system |
Sep. 22, 1987 |
| 4687572 |
Water-oil separating system including centrifugal type separator and flow controls therefor |
Aug. 18, 1987 |
| 4687573 |
Sorbing apparatus |
Aug. 18, 1987 |
| 4687031 |
Valve control with mechanical memory |
Aug. 18, 1987 |
| 4684460 |
Haemodialysis device automatically monitoring loss of weight |
Aug. 4, 1987 |
| 4680109 |
Membrane separator |
Jul. 14, 1987 |
| 4678566 |
Apparatus for separating proteins from blood plasma |
Jul. 7, 1987 |
| 4659459 |
Automated systems for introducing chemicals into water or other liquid treatment systems |
Apr. 21, 1987 |
| 4657670 |
Automatic demand chlorination system |
Apr. 14, 1987 |
| 4655932 |
Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials |
Apr. 7, 1987 |
| 4654139 |
Flocculation basin in water treatment process |
Mar. 31, 1987 |
| 4654147 |
Automated system for continuous monitoring and control of the amount of dissolved oxygen in a plurality of marine life farming pools or sewage treatment installations |
Mar. 31, 1987 |
| 4648043 |
Computerized system for feeding chemicals into water treatment system |
Mar. 3, 1987 |
| 4637351 |
System for removal of water from diesel fuel systems |
Jan. 20, 1987 |
| 4634523 |
Fluid supply device with periodically positive and reverse flow cleaning cycle |
Jan. 6, 1987 |
| 4631530 |
Chemical process monitor |
Dec. 23, 1986 |
| 4623453 |
Filter press and separator mechanism |
Nov. 18, 1986 |
| 4597862 |
Filter press plate separation devices |
Jul. 1, 1986 |
| 4591433 |
Automatic controls of water-oil separating system for use with centrifugal type separator |
May. 27, 1986 |
| 4587024 |
Method and apparatus for separating particles fluidly suspended in a slurry |
May. 6, 1986 |
| 4582612 |
Sewage sludge treatment apparatus |
Apr. 15, 1986 |
| 4578185 |
Waste disposal system |
Mar. 25, 1986 |
| 4572775 |
Apparatus for sterilizing fluids |
Feb. 25, 1986 |
| 4568464 |
Anaerobic filter |
Feb. 4, 1986 |
| 4568465 |
Water treatment system and control therefor |
Feb. 4, 1986 |
| 4563274 |
Separation system including a floatation tank having level control means |
Jan. 7, 1986 |
| 4545903 |
Apparatus for automatically controlling the sedimentation of muds during the purification of waste waters |
Oct. 8, 1985 |
| 4545956 |
Method and apparatus for disinfecting waterlines of a medical device |
Oct. 8, 1985 |
| 4539106 |
System and apparatus for water conditioning |
Sep. 3, 1985 |
| 4536845 |
Self-programmable controller for water conditioner recharging |
Aug. 20, 1985 |
| 4521304 |
Apparatus for biodegrading organic waste |
Jun. 4, 1985 |
| 4504393 |
Method and apparatus for controlling a rotating biological contactor |
Mar. 12, 1985 |
| 4498983 |
Pressure cuff draw mode enhancement system and method for a single needle blood fractionation system |
Feb. 12, 1985 |
| 4497749 |
Check valve for ammonia injector apparatus |
Feb. 5, 1985 |
| RE31792 |
Filter with automatic cleaning |
Jan. 8, 1985 |
| 4490249 |
Microcomputer controlled demand/scheduled water softener |
Dec. 25, 1984 |
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