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Class Information
Number: 241/119
Name: Solid material comminution or disintegration > Apparatus > Plural rotary or oscillatory surfaces cooperate with common surface (e.g., chasing mills) > Common surface moves during comminution > With material moving or discharge means
Description: Apparatus provided with means to move the material within the comminuting zone or to discharge it therefrom. The means usually takes the form of a movable or stationary plow member.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8692495 Roller mill and method for size reduction of ground material Apr. 8, 2014
8657221 Roller mill structure Feb. 25, 2014
RE44772 Coal pulverizer/classifier deflector Feb. 25, 2014
8651405 Roller mill Feb. 18, 2014
8622328 Vertical roller mill Jan. 7, 2014
8616479 Roller mill with driven grinding roller Dec. 31, 2013
8567705 Vertical mill Oct. 29, 2013
8556202 Roller grinding mill Oct. 15, 2013
8528844 Roller mill with application of gas Sep. 10, 2013
8413917 Roller mill with gas duct Apr. 9, 2013
8366031 Mill apparatus having variable air flow port ring and method Feb. 5, 2013
8336796 Impactor ring for updraft classifiers Dec. 25, 2012
8317119 Double course vane wheel Nov. 27, 2012
8308093 Coal pulverizer/classifier deflector Nov. 13, 2012
8308088 Pulveriser mill Nov. 13, 2012
8262006 Roll mill Sep. 11, 2012
8136746 System for controlling coal flow in a coal pulverizer Mar. 20, 2012
8113452 Roller mill Feb. 14, 2012
8100351 Method and device for grinding hot, wet raw material Jan. 24, 2012
8052077 Method for preparing a carbon siccative for producing electrodes Nov. 8, 2011
7967226 Drying mill and method of drying ground material Jun. 28, 2011
7963467 Safety system for a roller grinding mill, and method for the production of cement Jun. 21, 2011
7946516 Feed chute for vertical roller mill May. 24, 2011
7913851 Separator for grinding mill Mar. 29, 2011
7850104 Inferential pulverized fuel flow sensing and manipulation within a coal mill Dec. 14, 2010
7770829 Method and apparatus for protected coal mill journals Aug. 10, 2010
7690591 Roller mill Apr. 6, 2010
7673827 Bowl mill for a coal pulverizer with an air mill for primary entry of air Mar. 9, 2010
7665681 Fine grinding roller mill Feb. 23, 2010
7472853 Roller mill Jan. 6, 2009
7448565 Low profile primary classifier Nov. 11, 2008
7341212 Enhanced ore comminution process and apparatus Mar. 11, 2008
7267293 High efficiency bowl mill Sep. 11, 2007
7252253 Bowl mill for a coal pulverizer with an air mill for primary entry of air Aug. 7, 2007
7226010 Method and apparatus for solid fuel pulverizing operation and maintenance optimization Jun. 5, 2007
7100853 Deflector for coal pulverizer/classifier Sep. 5, 2006
7028934 Vertical roller mill with improved hydro-pneumatic loading system Apr. 18, 2006
6966508 On-line control of coal flow Nov. 22, 2005
6896213 Device for supplying a material May. 24, 2005
6820829 Method and apparatus for separating material Nov. 23, 2004
6783091 Two-fluted housing liner Aug. 31, 2004
6685117 Method for milling raw materials Feb. 3, 2004
6644576 Blade sweep for pulverizers Nov. 11, 2003
6409108 Damage-resistant deflector vane Jun. 25, 2002
6276620 Milling plant and method for milling raw materials Aug. 21, 2001
6079648 Arrangement for securing a vane wheel assembly to a grinding table of a pulverizing bowl mill Jun. 27, 2000
6079646 Blade ring for air-swept roller mills Jun. 27, 2000
5971302 Method and apparatus for drying and grinding moist material Oct. 26, 1999
5957300 Classifier vane for coal mills Sep. 28, 1999
5944270 Self-contained air seal assembly for coal pulverizer Aug. 31, 1999

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