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| Number | Title | Issue Date |
| 8123040 | Device for characterizing the particle size distribution of powders and its uses The invention is a device for characterizing the particle size distribution of powders, comprising a supply member, a discharge member, a weighing member, a continuous vibration member, a screening member and, optionally, a control member, said device being characte... | 02/28/2012 |
| 7461744 | Apparatus for separating fibers from reject material An apparatus for separating fibers from reject material produced in the manufacture of recycled pulp. The apparatus comprises a rotating reject cylinder provided with openings, to one end of which the reject material is fed and from the other end of which it is disc... | 12/09/2008 |
| 7380671 | Process for size classifying ammonium sulfate crystals which are present in a suspension The invention relates to a process for size classifying ammonium sulfate crystals using a screen, said process comprising feeding a feed suspension to the screen, said feed suspension comprising said ammonium sulfate crystals in an ammonium sulfate solution, size cl... | 06/03/2008 |
| 7284665 | Method and apparatus for processing articles Apparatus is described for processing articles. It has a hollow drum having permeable walls. At one end there is an inlet for receiving articles onto an inside surface of the permeable walls. At the other end is an outlet for discharging articles from the drum. The ... | 10/23/2007 |
| 6976591 | Food-stuff physical characteristic sorting apparatus and method A foodstuff seed sorting endless belt conveyor apparatus for sorting out premium quality seeds from a seed mixture having both premium and inferior grade seeds on the basis of seed physical characteristics develops an orbital motion that is superimposed upon the nor... | 12/20/2005 |
| 6953517 | Plant for the treatment of residue In order to make it possible for an inhomogeneous residue generated in a pyrolysis plant to be separated continuously and in as fully graded a way as possible, specially selected components are combined with one anther in an advantageous configuration. An essential ... | 10/11/2005 |
| 6786335 | Pyrolysis plant for refuse and method for screening solid residues A pyrolysis plant for refuse and a method for screening solid residues provide a sure and trouble-free sieving of a solid material using a sieving device having a configuration which is as simple as possible. A spiral formed by a rod which is wound in a helicoidal m... | 09/07/2004 |
| 6484882 | Plant for the processing of residue from a thermal waste disposal plant In order to separate a carbon-containing fraction as completely as possible from a residue, for example a pyrolysis residue, a combustible constituent is first separated from a non-combustible constituent. A carbon-containing light fraction is subsequentl... | 11/26/2002 |
| 5348162 | Machine for processing goods, especially refuse, for sorting it A machine for sorting refuse comprises a rotatable drum (1) having several succeeding processing stations (5, 6, 7) located between an inlet (3) and an outlet (4) and each including one or more rotatable shafts (8) the circumferential surfaces of which ar... | 09/20/1994 |
| 5101977 | Solid waste sorting system The present invention is addressed to an apparatus and method for carrying out the effective separation or classification of MSW into fractions with improved efficiency. This improved efficiency is achieved inter alia through the use of various separation... | 04/07/1992 |
| 5091077 | Trommel material air classifier A waste material classifier apparatus which employs a rotary trommel for stirring up the waste material in an air stream so that the conglomeration of waste is easily sorted into dirt and small particles easily sifted through the trommel pores, with air s... | 02/25/1992 |
| 5074992 | Woodwaste processing system with contaminate separation A system for processing wastewood. The system may be mounted on a towable chassis. The wastewood is received at one end of the system and metal contaminants are removed from the wastewood. The wastewood is then separated according to size wherein a first ... | 12/24/1991 |
| 4789068 | Wood chip classifying system A multi-stage apparatus and process for separating wood chips of a desired size range for pulp production, from an intermixture of materials e.g. from a log chipper. A disc screen screens out the chips and other materials having a size larger than the des... | 12/06/1988 |
| 4785761 | Mobile seed cleaning apparatus A mobile seed cleaning and/or separating apparatus has a wheeled, self-propelled chassis mounting a plurality of cleaning and/or separating stations. The stations are interconnected by conveyors which transport the seed through the apparatus. The cleaning... | 11/22/1988 |
| 4720473 | Production of improved catalyst-type particles using length and density grading A spent hydrotreating catalyst having carbonaceous and metallic deposits comprising generally cylindrical, free flowing particles of regular geometric shape having substantially the same diameter but of varying length is stripped, length graded, density g... | 01/19/1988 |
| 4620634 | Sorting device A sorting device for sorting out a multiplicity of pieces such as tickets, for example, according to their size includes a frame, a drum rotatably mounted in the frame for storing therein pieces such as tickets having different sizes to be sorted out, a s... | 11/04/1986 |
| 4549660 | Drum for separation of a bulk material A drum for separation of a bulk material into a heavier and a lighter fraction is arranged to be rotated around its central axis at a certain velocity and to be traversed by a flow of air at a certain flow velocity. The drum has at least one discharge ape... | 10/29/1985 |
| 4387019 | Aluminum can reclamation method A method for reclaiming aluminum cans from municipal refuse is disclosed. The method includes a first screening operation to remove materials substantially larger than the cans, a second screening operation to remove material substantially smaller than th... | 06/07/1983 |
| 4240589 | Rotary bark screen A self cleaning rotary screen apparatus is disclosed which comprises an outer shell formed from a plurality of spaced cylindrical hoops that are welded to a plurality of longitudinal bars which extend the full length of the shell. The hoops are variably s... | 12/23/1980 |
| 4187172 | Apparatus for the separation of trash from less heavy firm articles in a flow of liquid The apparatus serves the purpose of separating trash from less heavy firm articles in a flow of liquid. It has a casing wherein a horizontal revolving screen is located with members which impart motion to trash. Accomodated in the casing coaxially with th... | 02/05/1980 |
