| Patents for B03B 13 - Control arrangements specially adapted for wet- separating apparatus or for dressing plant, using physical effects (670) |
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| 02/02/2000 | EP0975834A1 Multiflow pressurized de-inking apparatus |
| 01/19/2000 | CN2358999Y Contriller for jet floatation clarifier |
| 11/03/1999 | CN1233996A Stamping press |
| 10/28/1999 | WO1999054543A1 Flotation module for pressurized deinking |
| 10/28/1999 | CA2329907A1 Flotation module for pressurized deinking |
| 10/05/1999 | CA2127428C Pea separating process using diatomaceous earth |
| 09/02/1999 | DE19751591A1 Determination of flowing mineral suspension density, for e.g. ores, coal, gypsum or sand |
| 08/04/1999 | EP0932495A1 A stamping press |
| 06/24/1999 | WO1999031314A1 Multiflow pressurized deinking apparatus |
| 06/16/1999 | EP0921860A1 Process for controlling a sand and gravel sorting and sizing device |
| 06/15/1999 | CA2136200C Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 06/02/1999 | EP0918566A1 Method and apparatus for controlling froth flotation machines |
| 06/01/1999 | US5909022 Dual outlet pulp level control system for flash flotation devices |
| 04/21/1999 | EP0909585A1 Method and device for continuously preparing mixtures of granulates |
| 04/21/1999 | EP0707520B1 Device for separating inorganic material polluted by organic material from a fluid |
| 03/23/1999 | US5884856 Method and system for reclaiming aggregate from concrete waste material |
| 01/26/1999 | CA2148771C Process and device for non-agitated flotation of substances with a low degree of hydrophoby and/or low stability in the foam structure, in particular of salt mixtures |
| 01/06/1999 | CN2302851Y Pulsation valley sampling-keeping circuit for air pulsation jigger |
| 12/08/1998 | CA2051327C Automatic density control system for a froth flotation vessel |
| 11/24/1998 | US5840156 Froth flotation process for deinking wastepaper using multiflow pressurized deinking module |
| 11/17/1998 | US5836456 Discrete material washing apparatus |
| 11/17/1998 | CA2051326C Device for automatic regulation of the process of separating froth concentrate from gangue in a floatation machine |
| 10/22/1998 | WO1998046824A1 Multiflow pressurized deinking apparatus |
| 10/22/1998 | CA2286292A1 Multiflow pressurized deinking apparatus |
| 10/21/1998 | EP0779840B1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids |
| 10/21/1998 | EP0713418B1 Process and device for removing sand from water loaded with sand and organic substances |
| 10/14/1998 | EP0870084A1 A method and a plant for treating of a contaminated pulp suspension |
| 10/06/1998 | US5818732 Batch timer initialization for a sand classifying tank |
| 09/22/1998 | US5811016 Circulation to separate, mechanically stirring, rinsing with fresh water, controlling discharge dependent on height of sand; purification; construction materials |
| 09/16/1998 | EP0864366A1 Method for assembling granular mixtures of predetermined specifications, starting from granular starting material |
| 09/09/1998 | EP0641292B1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 09/08/1998 | US5804061 Multiflow pressurized deinking apparatus |
| 07/07/1998 | US5776335 Gas entrainment flotation reactor with arrangements for separating solids from liquids |
| 07/02/1998 | WO1998016370A3 A stamping press |
| 05/06/1998 | EP0839577A1 Ferrohydrostatic separation method & apparatus |
| 04/23/1998 | WO1998016370A2 A stamping press |
| 03/19/1998 | WO1998011297A1 A method and a plant for treating of a contaminated pulp suspension |
| 03/19/1998 | CA2235384A1 A method and a plant for treating of a contaminated pulp suspension |
| 02/05/1998 | WO1998004353A1 Process for controlling a sand and gravel sorting and sizing device |
| 01/29/1998 | DE19630085A1 Verfahren zur Steuerung einer Sortier- und Klassiervorrichtung für Sand und Kies Method for controlling a sorting and classifying for sand and gravel |
| 12/23/1997 | US5699969 Method and system for reclaiming aggregate from concrete waste material |
| 12/04/1997 | WO1997045203A1 Method and apparatus for controlling froth flotation machines |
| 12/04/1997 | CA2257158A1 Method and apparatus for controlling froth flotation machines |
| 11/19/1997 | EP0689521A4 Compact clarifier system for municipal waste water treatment |
| 07/24/1997 | DE19602070A1 Classification and mixing of sands |
| 06/25/1997 | EP0779840A1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids |
| 06/24/1997 | US5641397 Device for separating inorganic material polluted by organic material from a fluid |
| 05/07/1997 | CN1149004A High grade rutile separation process |
| 12/03/1996 | US5580463 Water purification |
| 11/26/1996 | US5578198 Device for automatic regulation of the process of separating froth concentrate from gangue in a floatation machine |
| 08/06/1996 | US5542546 Process and apparatus for non-agitated flotation of substances with a low degree of hydrophoby and/or low stability in the foam structure, in particular of salt mixtures |
| 07/24/1996 | EP0722778A1 Method and system for reclaiming aggregate from concrete waste material |
| 07/03/1996 | CN1125860A Electronic pulse signal control system of material sizing device |
| 07/03/1996 | CN1125645A Sizing machine for gangue |
| 06/27/1996 | DE4445509A1 Prepn of high quality sand mixture for industrial use |
| 06/06/1996 | WO1996016743A1 Flotation apparatus and deinking method |
| 05/29/1996 | EP0713418A1 Process and device for removing sand from water loaded with sand and organic substances |
| 05/01/1996 | EP0709121A2 Pressurized, sparged flotation column |
| 04/24/1996 | EP0707520A1 Device for separating inorganic material polluted by organic material from a fluid |
| 03/14/1996 | WO1996007483A1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids |
| 03/14/1996 | DE4432042A1 Begasungs-/Flotations-Reaktor und Regeleinrichtung Gassing / flotation reactor and control device |
| 03/13/1996 | EP0700726A1 Method for the recycling of production residues from the cement processing industry and plant for carrying out the method |
| 01/31/1996 | EP0394316B1 Process for beneficiating particulate solids |
| 01/03/1996 | EP0689521A1 Compact clarifier system for municipal waste water treatment |
| 12/19/1995 | CA1337742C Method controlling a process by impedance analysis |
| 11/16/1995 | WO1995030486A1 Device for separating inorganic material polluted by organic material from a fluid |
| 08/16/1995 | CN2205247Y Automatic controller for ore pulp consentration |
| 07/20/1995 | DE4417693C1 Sorting plastics chips of different densities |
| 07/19/1995 | EP0532494B1 Improved water clarifying apparatus |
| 07/05/1995 | CN2202587Y Stabilizer for mineral slurry concentration |
| 06/28/1995 | EP0641292A4 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation. |
| 06/28/1995 | EP0641291A4 Lamellar apparatus and method for clarifying water. |
| 06/21/1995 | EP0658648A2 Process and apparatus for continuously separating desirable and undesirable substances in a fibrous suspension |
| 06/01/1995 | DE4416261C1 Unstirred pneumatic flotation of poorly hydrophobic salts |
| 05/18/1995 | WO1995013140A1 Discrete material washing apparatus |
| 04/20/1995 | DE4335335A1 Petrol separator (low-viscosity-liquid separator) with overflow safety device |
| 03/08/1995 | EP0641292A1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 03/08/1995 | EP0641291A1 Lamellar apparatus and method for clarifying water |
| 02/23/1995 | WO1995005230A1 Process and device for removing sand from water loaded with sand and organic substances |
| 02/23/1995 | CA2169163A1 Method and apparatus for removing sand from waste water loaded with sand and organic substances |
| 02/08/1995 | EP0637465A2 Food separating process |
| 11/29/1994 | US5368617 Process for reducing sulfur emissions with calcium-containing sorbents |
| 11/29/1994 | US5368166 Device for automatically controlling the process of separating froth concentrate from gangue in a floatation machine |
| 11/01/1994 | US5360118 Pea separating process using diatomaceous earth |
| 10/12/1994 | CN2179204Y Density monitoring device for air reintervening fluidized bed |
| 09/29/1994 | WO1994021561A1 Compact clarifier system for municipal waste water treatment |
| 09/20/1994 | US5348160 Coal cleaning process |
| 09/07/1994 | EP0613723A1 A method and plant for the screening of especially stone material |
| 08/18/1994 | DE4304435A1 Safety mechanism against overfilling for light-liquid separators |
| 07/19/1994 | US5330655 Method of regulating a flotation system with a primary and secondary stage |
| 06/14/1994 | US5320750 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 05/24/1994 | US5314124 Coal cleaning process |
| 05/03/1994 | US5307937 High throughput flotation column process |
| 04/26/1994 | US5306422 Compact clarifier system for municipal waste water treatment |
| 03/22/1994 | US5296149 Water treatment apparatus |
| 03/15/1994 | CA1327854C Method and apparatus for flotation cell processing |
| 03/01/1994 | CA1327342C Process for beneficiating particulate solids |
| 02/22/1994 | US5287975 Continuous cycle apparatus for separating precious metals from concentrate |
| 02/08/1994 | US5284249 Direct hydraulic drive for large flotation cells |
| 02/02/1994 | EP0581196A2 Controlling a flotation plant having a primary and a secondary stage |