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Class Information
Number: 241/79
Name: Solid material comminution or disintegration > Apparatus > With separation or classification of material > Separator in discharge from comminuting zone
Description: Apparatus in which the material flows from a comminuting zone to a separator.


Sub-classes under this class:

Class Number Class Name Patents
241/79.1 By adhesion, electric field force, specific gravity, or chemical change 364
241/80 Oversize return to comminuting zone 189
241/79.2 Rotating comminutor combined with a sifting device 30


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7370820 Method and system for harvesting weighting agent fines May. 13, 2008
7314002 Densification system Jan. 1, 2008
7252250 Method and apparatus for extracting toner from toner cartridges Aug. 7, 2007
7204439 Apparatus and process for control of rotary breakers Apr. 17, 2007
7156332 Product containment apparatus Jan. 2, 2007
7111802 Apparatus for pressing and other mechanical treatment of materials such as catalysts Sep. 26, 2006
7083130 Dry grinding system and dry grinding method Aug. 1, 2006
6988683 Apparatus for crushing glass or ceramic material Jan. 24, 2006
6953166 Device and method for treating excavated material Oct. 11, 2005
6948668 Coffee grinder-dispenser Sep. 27, 2005
6749138 Granulator Jun. 15, 2004
6730250 Method and apparatus for stabilizing material physical properties of recyclable bumpers May. 4, 2004
6634578 Paper separation and singulation apparatus and method Oct. 21, 2003
6622950 Slot configuration for a separator with slotted walls Sep. 23, 2003
6619571 Method for emptying fixed-bed reactors Sep. 16, 2003
6581858 Method and apparatus for crushing fluorescent lamps and separating components thereof Jun. 24, 2003
6575390 Pretreatment apparatus for raw materials for production of reduced iron Jun. 10, 2003
6391165 Reclaiming metallic material from an article comprising a non-metallic friable substrate May. 21, 2002
6338829 Apparatus for breaking garbage bags Jan. 15, 2002
6196479 Method and device for granulating and comminuting liquid slags Mar. 6, 2001
6145766 Screw device for dewatering and defibrating ligno-cellulose material Nov. 14, 2000
6135374 Food by-product processing apparatus Oct. 24, 2000
6131741 Method and device for the treatment of waste or residual waste Oct. 17, 2000
6036124 Apparatus for gasifying and liquefying styrofoam Mar. 14, 2000
6032887 Circuit grinding apparatus with high-pressure roll press and sifter Mar. 7, 2000
5975441 Apparatus for separating rocks from soil Nov. 2, 1999
5968997 Continuous process for irradiating of polytetrafluorineethylene (PTFE) Oct. 19, 1999
5894998 Agitator mill Apr. 20, 1999
5879551 Device for dewatering suspensions Mar. 9, 1999
5848754 Method and apparatus for the recovery of packaging and its contents Dec. 15, 1998
5823450 Ring roller mill Oct. 20, 1998
5769338 Pulverulent body processing apparatus and method of manufacturing a slit member to be used for the same Jun. 23, 1998
5769333 Method of and apparatus for recovering foaming gas of the foamed material Jun. 23, 1998
5765694 Seed cotton module handler and trash separator Jun. 16, 1998
5716015 Ring roller mill Feb. 10, 1998
5688693 Method and system for sampling and determining the presence of contaminants in recyclable plastic materials Nov. 18, 1997
5681429 Mixing device in pulping Oct. 28, 1997
5647545 Portable crusher for concrete Jul. 15, 1997
5630556 Portable apparatus for comminuting gypsum wallboard May. 20, 1997
5593096 Method and apparatus for separating adhered paper from paper covered gypsum board Jan. 14, 1997
5551641 Non-pulpables collection chamber with removable basket for solid waste pulpers Sep. 3, 1996
5549250 Process and device for sorting thermoplastic materials from a mixed flow Aug. 27, 1996
5544823 Mill for the production of milled grain products and grain milling system Aug. 13, 1996
5536373 Recycle processing of baled waste material Jul. 16, 1996
5531387 Device for treating waste from wash basin Jul. 2, 1996
5513807 Method of and apparatus for collecting and treating refuse containing stretched plastics May. 7, 1996
5451004 Integrated waste pulping and liquid extraction system Sep. 19, 1995
5447276 Crushing mechanism Sep. 5, 1995
5423491 Transporting and/or handling and/or processing plant for soil, gravel, sand etc. Jun. 13, 1995
5402947 Media granulation apparatus Apr. 4, 1995

1 2 3


 
 
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