| Patents for B03B 4 - Separating by pneumatic tables or by pneumatic jigs (483) |
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| 08/30/1994 | US5341935 Method of separating resource materials from solid waste |
| 08/25/1994 | DE4305506A1 Method for releasing a material which has penetrated into a solid and for detaching materials adhering externally to a solid |
| 08/03/1994 | EP0608658A1 Air separator, particularly for sorting wastes |
| 08/03/1994 | EP0608293A1 Apparatus/method for uniform fluidized bed sorting |
| 07/26/1994 | US5331978 Method and apparatus for separation of heavy and light particles from particulate material |
| 05/26/1994 | DE4239611A1 Light bulk solids grains graded in fluid bed from heavy grains through raising-lowering extraction cone - reduces energy requirement for grading grains such as cement and ore |
| 05/03/1994 | CA2058381C Device for fluidized bed material separation and plugging detection |
| 04/13/1994 | EP0591512A1 Wind tunnel for cleaning and classifying solid particle form material |
| 04/12/1994 | US5301811 Apparatus for the separation of grain material and the sorting out of heavy inclusions from grain material |
| 04/05/1994 | US5299694 Apparatus and process for separating a material in fluidized bed form and the detection of clogging |
| 04/05/1994 | US5299583 Method of and apparatus for separating fragments of tobacco ribs from shredded tobacco |
| 03/29/1994 | US5297741 Process for disintegration and pure-sorted separation of recyclable different plastics of composite structural parts |
| 01/25/1994 | US5281278 Conveying particles in an air flow then removal with channels |
| 01/25/1994 | US5280837 Door for an improved separation device |
| 12/15/1993 | EP0423208B1 Pneumatic separation of particulate material |
| 11/25/1993 | DE4317155A1 Light wt. matter sepn. appts. from mixed material for sepg. film from rubbish - comprises air movement system above conveyor belt and airstream evacuated to side from intermediate zone between upper and lower belt levels for effective sepn. |
| 11/25/1993 | DE4217485A1 Separation of refuse by vibrating bed - involves adjusting vibration frequency and amplitude in relation to gradient of bed |
| 11/11/1993 | WO1993022074A1 Wind tunnel for cleaning and classifying solid particle form material |
| 11/11/1993 | CA2112231A1 Wind tunnel for cleaning and classifying solid particle form material |
| 09/22/1993 | EP0560955A1 Filter matting for a reversible-flow filter |
| 09/14/1993 | US5244099 Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improved material fluidized bed sorting |
| 07/14/1993 | EP0274479B1 Process for the separation and isolation of shaped catalyst-type particles by length |
| 06/30/1993 | EP0548647A2 Method and apparatus for the separation of tobacco stem fibers and tobacco leaf fibers glued together |
| 06/23/1993 | CN1073337A Method and apparatus for separating tobacco stalk fibre and tobacco leaf fibre bound together |
| 06/09/1993 | EP0544827A1 Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting. |
| 04/20/1993 | CA1316494C Gravity separator |
| 04/15/1993 | WO1993006908A1 Filter matting for a reversible-flow filter |
| 04/06/1993 | US5199448 Method and apparatus for separation of objectionable particles from tobacco material |
| 04/01/1993 | WO1993005882A1 Apparatus/method for uniform fluidized bed sorting |
| 02/02/1993 | US5183161 Process and apparatus for separating grain mixture |
| 01/07/1993 | DE4121808A1 Sepn. of mixts. contg. HDPE prods. and LDPE prods. - by crushing the mixt., washing and drying as required, and sepg. by air screening to give dry HDPE chips and dry LDPE chips |
| 12/16/1992 | CN2124764U Household fanning machine |
| 12/09/1992 | EP0517022A2 Pneumatic separator |
| 10/25/1992 | CA2066964A1 Commingled waste separation apparatus and methods |
| 10/21/1992 | CN1065416A Method and apparatus for sifting sand or like bulk material |
| 10/20/1992 | CA1309061C Method and apparatus for separation using fluidized bed |
| 09/23/1992 | EP0504747A2 Method and device for sifting sand or similar free-flowing material |
| 09/22/1992 | US5148921 Pneumatic separation of particulate material |
| 07/15/1992 | CN1062705A Apparatus for separating material in fluidized bed form and detection of clogging |
| 07/01/1992 | EP0493279A1 Apparatus for separating a fluidized material and for detecting clogging |
| 07/01/1992 | EP0492925A2 Method and apparatus for separation of heavy and light particles from particulate material |
| 07/01/1992 | EP0492924A2 Method and apparatus for separation of heavy and light particles from particulate material |
| 06/02/1992 | US5118409 Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting |
| 04/08/1992 | EP0479343A2 Production of improved catalyst-type particles using density grading |
| 02/22/1992 | WO1992003228A1 Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting |
| 02/11/1992 | US5087351 Fluidized bed peanut sorter |
| 01/28/1992 | CA1294943C Production of improved catalyst-type particles using length and density grading |
| 01/21/1992 | US5082552 Hydrotreating with catalyst particles using length and density grading |
| 12/10/1991 | US5071541 Method and apparatus for sorting a mixture of particles |
| 11/27/1991 | CN1014870B Simple-and double-platen stone separator |
| 11/27/1991 | CN1014869B Gravity classifier |
| 11/12/1991 | US5063944 Method and apparatus for separation of objectionable particles from tobacco material |
| 11/12/1991 | CA1291968C Apparatus with a fluidized bed for the continuous separation of two mixed solid phases |
| 07/25/1991 | WO1991010611A1 Improvements relating to conveying and separation apparatus |
| 07/25/1991 | CA2074191A1 Conveying and separation apparatus |
| 07/23/1991 | US5034196 Particle fractionator employing multiple fluidized bed modules |
| 06/18/1991 | US5024334 Method and means for gravity table automation |
| 05/15/1991 | EP0427679A2 Device for fractionating granular goods |
| 04/24/1991 | EP0423208A1 Pneumatic separation of particulate material. |
| 04/09/1991 | US5006226 Fluidized, dry bed, ore concentrator |
| 08/07/1990 | US4946044 Aeration separator |
| 04/25/1990 | CN1007706B Impeller type winnower with dedusting effect |
| 04/05/1990 | DE3833197A1 Two-stage vibrating sorter |
| 04/04/1990 | EP0361815A1 Method and apparatus for separation of objectionable particles from tobacco material |
| 04/03/1990 | US4913807 Particle separator |
| 04/03/1990 | US4913804 Device and process for separating granular material |
| 03/13/1990 | US4908124 Vertical column, means for withdrawing fluid bed particles and foreign objects from the fluid, means for fluidizing mixture, means for subjecting mixture to upwardly directed air stream, means for separating particles |
| 02/08/1990 | DE3826181A1 Schwerkraftsichter Gravity separator |
| 01/25/1990 | WO1990000445A1 Pneumatic separation of particulate material |
| 01/08/1990 | EP0274479A4 Process for the separation and isolation of shaped catalyst-type particles by length. |
| 10/18/1989 | CN1005460B Fluidised-bed apparturs for continuous separating mixture of two kinds of solid |
| 10/11/1989 | CN1005389B Method and apparatus for sieving heavy material from grain or other bulk material |
| 10/04/1989 | CN1035963A Simple-and double-platen stone separator |
| 09/12/1989 | US4865722 Method and apparatus for separation using fluidized bed |
| 06/01/1989 | WO1989004723A1 Method and apparatus for grain treatment |
| 06/01/1989 | WO1989004722A1 Process and device for separating heavy admixtures from grain |
| 06/01/1989 | WO1989004721A1 Process and device for separating mixed grain |
| 05/31/1989 | EP0318054A1 Method of and device for separating heavy impurities from grain |
| 05/31/1989 | EP0318053A1 Method of and device for separating a grain mixture |
| 03/15/1989 | CN1031664A Gravity classifier |
| 03/09/1989 | WO1989001826A1 Method and apparatus for separation using fluidized bed |
| 02/21/1989 | CA1250253A1 Sample concentrating cable jig |
| 02/14/1989 | US4804463 Gravity separator |
| 12/27/1988 | US4793918 Gravity separator |
| 12/14/1988 | EP0294801A2 Method and device for separating materials according to density |
| 12/13/1988 | CA1246417A1 Vibrating trough tobacco separator and classifier |
| 08/31/1988 | EP0280127A2 Pneumodensitometric vibrating separator for sorting of heterogeneous bulk products |
| 08/17/1988 | EP0182831B1 Installation and process for sorting heavy materials, in particular stones or the like from cereals or other bulk products |
| 07/20/1988 | EP0274479A1 Process for the separation and isolation of shaped catalyst-type particles by length. |
| 07/05/1988 | US4755284 Elutriator |
| 06/09/1988 | DE3641016A1 Process and apparatus for processing beany material, in particular cocoa beans |
| 06/01/1988 | EP0181353B1 Device and process for separating granular material |
| 05/03/1988 | US4741443 Fluidized bed for continuous separation of two mixed solid phases |
| 03/16/1988 | EP0259305A1 Separation of particles of differing densities |
| 01/19/1988 | US4720473 Production of improved catalyst-type particles using length and density grading |
| 12/10/1987 | DE3716585A1 Method for separating off hard materials from refuse |
| 12/02/1987 | EP0247423A2 Method and device for separating a heterogenous mixture of solid materials into fractions |
| 10/01/1987 | DE3610355A1 Process and device for the processing of waste fluorescent tubes |
| 09/11/1987 | WO1987005232A1 Production of improved catalyst-type particles using length and density grading |
| 08/27/1987 | WO1987004950A1 Separation of particles of differing densities |