with concentrically arranged open top rotors

Patents Grantslast 30 patents

  • Information Patent Grant

    Mill with quick change, unitized, dynamic elements

    • Patent number 6,575,391
    • Issue date Jun 10, 2003
    • Charles Kepler Brown
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Two-stage micronizer for reducing oversize particles

    • Patent number 6,286,771
    • Issue date Sep 11, 2001
    • Charles Kepler Brown
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Ultrafines coal pulverizer

    • Patent number 5,597,127
    • Issue date Jan 28, 1997
    • David K. Brown
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Coal pulverizer purifier classifier

    • Patent number 5,275,631
    • Issue date Jan 4, 1994
    • Charles K. Brown
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    2985391

    • Patent number 2,985,391
    • Issue date May 23, 1961
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    2919864

    • Patent number 2,919,864
    • Issue date Jan 5, 1960
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    2502022

    • Patent number 2,502,022
    • Issue date Mar 28, 1950
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    2096274

    • Patent number 2,096,274
    • Issue date Oct 19, 1937
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents