| Patents for B03B 13 - Control arrangements specially adapted for wet- separating apparatus or for dressing plant, using physical effects (670) |
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| 01/31/1994 | CA2101710A1 Method of regulating a flotation system with a primary and secondary stage |
| 01/25/1994 | US5280836 Process for beneficiating particulate solids |
| 01/11/1994 | US5277368 Coal cleaning process |
| 12/07/1993 | US5268099 For raw water treated with flocculant and air |
| 11/30/1993 | CA1324842C Process for fine coal cleaning |
| 11/25/1993 | WO1993023335A1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 11/25/1993 | WO1993023334A1 Lamellar apparatus and method for clarifying water |
| 11/25/1993 | CA2136201A1 Lamellar apparatus and method for clarifying water |
| 11/23/1993 | US5263590 Heavy media separation process and apparatus therefor |
| 11/16/1993 | US5262962 Process for beneficiating particulate solids |
| 08/17/1993 | US5236089 Method of beneficiating coal |
| 05/05/1993 | EP0532494A4 Improved water clarifying apparatus |
| 05/04/1993 | US5207742 Radiation detectors to control electrohydraulic gate |
| 04/29/1993 | WO1993007967A1 Coal cleaning process |
| 03/24/1993 | EP0532494A1 Improved water clarifying apparatus. |
| 03/03/1993 | EP0312533B1 Control of jig separators |
| 02/23/1993 | US5188729 Sludge collection apparatus for a water clarifier |
| 12/08/1992 | CA1311218C Control of jig separators |
| 12/03/1992 | DE4118020A1 Sepn. of specific lightweight components from sedimentary mixt. - continuously measuring upper fluidised bed density and depth for comparison with set-point values |
| 11/03/1992 | US5160611 Apparatus for aerating water |
| 10/21/1992 | EP0509334A2 Method for screening and filtering solid material suspensions with drum or band machines |
| 10/06/1992 | US5153838 Process for beneficiating particulate solids |
| 10/06/1992 | CA2065179A1 Procedure for screening and filtration of suspended solids with drum type or travelling band screens |
| 09/22/1992 | US5148922 Gravity particle separator |
| 06/17/1992 | CN1061919A Stroke testing device |
| 04/28/1992 | US5108495 Method controlling a process by impedance analysis |
| 03/17/1992 | US5096066 Beneficiating coal fines |
| 02/26/1992 | EP0268633B1 Ultrasonic field generation |
| 01/21/1992 | US5082553 Concrete aggregate collecting apparatus |
| 01/07/1992 | US5078861 Water clarifying apparatus |
| 12/17/1991 | US5073253 Froth level measurement |
| 12/05/1991 | WO1991018836A1 Improved water clarifying apparatus |
| 12/04/1991 | CN1014959B Control of jig separators |
| 11/20/1991 | CN1014778B Process for fine coal cleaning |
| 11/20/1991 | CN1014777B Method and apparatus for controlling flotation cell |
| 11/19/1991 | CA1292296C Fiber optic detector for flotation cell processing |
| 11/05/1991 | US5062964 Measuring air content of foam |
| 10/15/1991 | US5057211 Benefication apparatus and process for land and seabed mining |
| 09/18/1991 | CN1013929B Fiber optic detector for flotation cell processing |
| 09/05/1991 | DE4006680A1 Electronically controlled wet jigging machine for washing gravel - adjusts speed of delivery paddle in accordance with measured level of interface between gravel and dross |
| 08/07/1991 | EP0394316A4 Process for beneficiating particulate solids |
| 07/17/1991 | CN2080868U Layer thick measurer of jig with phase shifting separating circuit |
| 07/02/1991 | US5028317 Control of jig separators |
| 06/18/1991 | US5024753 Material separation efficiency determination employing fluorescing control particles |
| 06/18/1991 | US5024334 Method and means for gravity table automation |
| 05/02/1991 | WO1991005610A1 Cleansing machine |
| 04/30/1991 | US5011595 Combination feedforward-feedback froth flotation cell control system |
| 04/18/1991 | DE3934296A1 Reinigungsmaschine Cleaner |
| 04/09/1991 | US5006231 Flocculant control system |
| 03/06/1991 | EP0414740A1 Separator |
| 01/22/1991 | USRE33524 Cyclic variation of acoustic energy propagation |
| 10/31/1990 | EP0394316A1 Process for beneficiating particulate solids. |
| 10/10/1990 | EP0391042A1 Method of controlling a flotation plant |
| 10/10/1990 | EP0312533A4 Control of jig separators |
| 10/07/1990 | CA2014216A1 Process for controlling a flotation device |
| 08/21/1990 | US4950908 Flocculant control system |
| 07/10/1990 | US4941135 Ultrasonic field generating device |
| 07/04/1990 | CN1008604B Ultrasonic vibrator tray processes and apparatus |
| 06/05/1990 | US4931175 Water clarifying apparatus |
| 11/02/1989 | WO1989010197A1 Separator |
| 08/16/1989 | CN1034683A Process for fine coal cleaning |
| 08/15/1989 | US4857172 Density-controlled color-coded markers for following separation of diamond bearing ores |
| 08/15/1989 | CA1258542A1 Control of froth cell performance through the use of differential bubbler tubes |
| 06/15/1989 | WO1989005192A1 Process for beneficiating particulate solids |
| 05/24/1989 | CN1033016A Fiber optic detector for flotation cell processing |
| 05/17/1989 | CN1032909A Method and apparatus for controlling flotation cell |
| 05/16/1989 | US4830193 Gold ore sorting |
| 04/26/1989 | EP0312533A1 Control of jig separators. |
| 03/07/1989 | US4810371 Process for fine coal cleaning |
| 02/01/1989 | CN2031717U Dualpurpose tray for exploring and washing natural alluvial gold |
| 01/10/1989 | US4797559 Method and apparatus for controlling a flotation cell |
| 01/10/1989 | US4797550 Fiber optic detector for flotation cell processing |
| 05/10/1988 | US4743361 Separating in liquid medium by ultrasonic wave energy; biological particles |
| 05/03/1988 | US4741839 Ultrasonic vibrator tray processes and apparatus |
| 03/28/1988 | EP0145742A4 Liquid separating apparatus. |
| 03/28/1988 | EP0145741A4 Overflow outlet for a cyclone separator. |
| 03/16/1988 | EP0259959A2 Ultrasonic vibrator tray processes and apparatus |
| 03/15/1988 | US4731176 Control system for froth flotation processes |
| 02/23/1988 | US4726896 Method and apparatus for on-stream analysis of slurried ore |
| 02/17/1988 | CN86105720A Color selected machine for slay coke |
| 02/03/1988 | CN87105413A Control of jig separators |
| 01/27/1988 | CN87104931A Ultrasonic vibrator tray processes and apparatus |
| 01/14/1988 | WO1988000095A1 Control of jig separators |
| 12/03/1987 | WO1987007421A1 Ultrasonic field generation |
| 06/16/1987 | US4673512 Using acoustic response to ultrasonic vibration |
| 04/21/1987 | US4659461 For oil and water mixture; two banks of cyclone separators |
| 02/10/1987 | USRE32350 Thermal convection counter streaming sedimentation and forced convection galvanization method for controlling the sex of mammalian offspring |
| 02/10/1987 | CA1217656A Teeter bed density control device and method |
| 01/02/1987 | DE3522478A1 Process and apparatus for producing a gravel/sand finished product |
| 11/11/1986 | US4622150 Overflow outlet for a cyclone separator and method of operation |
| 07/08/1986 | CA1207473A1 Separation method and apparatus |
| 06/03/1986 | CA1205546A1 Sand classification plant with process control system |
| 05/13/1986 | CA1204413A1 Flush mounting unencumbered tongue-adjust undercut device for spiral separators |
| 05/06/1986 | CA1204081A1 System for controlling separating gravity in dense media cyclone |
| 01/08/1986 | EP0167406A2 Particle separation |
| 01/07/1986 | US4563274 For waste paint solids in aqueous medium |
| 12/17/1985 | US4559134 Varying rate of addition of collector reagent in response to change in particle size caused by beneficiation |
| 11/12/1985 | US4552651 Separation of ash and refuse from raw coal |
| 08/20/1985 | US4536285 Centrifugal separator |
| 08/06/1985 | US4533464 Teeter bed zone density control device and method |