TREA

Ludger Lohnherr

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  • Oelde, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of removing sulphur dioxide from cement kiln exhaust gases
    • Patent number 5,927,967
    • Issue date Jul 27, 1999
    • E. Schwenk Baustoffwerke KG
    • Klaus Bauer
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Separator for particulate materials
    • Patent number 5,791,490
    • Issue date Aug 11, 1998
    • Krupp Polysius AG
    • Otto Heinemann
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Apparatus and method for the crushing of material for grinding of d...
    • Patent number 5,381,968
    • Issue date Jan 17, 1995
    • Ludger Lohnherr
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Roll mill
    • Patent number 5,350,124
    • Issue date Sep 27, 1994
    • Krupp Polysius AG
    • Ludger Lohnherr
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Separator
    • Patent number 5,055,182
    • Issue date Oct 8, 1991
    • Krupp Polysius AG
    • Ludger Lohnherr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Apparatus for crushing materials
    • Patent number 4,982,905
    • Issue date Jan 8, 1991
    • Krupp Polysius AG
    • Dietmar Holsiepe
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Grinding method and grinding apparatus
    • Patent number 4,919,341
    • Issue date Apr 24, 1990
    • Krupp Polysius AG
    • Ludger Lohnherr
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Roller mill
    • Patent number 4,909,450
    • Issue date Mar 20, 1990
    • Krupp Polysius AG
    • Heinrich Henne
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Method and apparatus for crushing material for grinding
    • Patent number 4,889,289
    • Issue date Dec 26, 1989
    • Krupp Polysius AG
    • Ludger Lohnherr
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Roller mill
    • Patent number 4,694,994
    • Issue date Sep 22, 1987
    • Krupp Polysius AG
    • Heinrich Henne
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Sifter
    • Patent number 4,693,811
    • Issue date Sep 15, 1987
    • Krupp Polysius AG
    • Ludger Lohnherr
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Method of operating grinding apparatus and grinding apparatus opera...
    • Patent number 4,598,872
    • Issue date Jul 8, 1986
    • Krupp Polysius AG
    • Heinrich Henne
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Means for lubricating radial shaft sealing rings in grinding rolls
    • Patent number 4,420,064
    • Issue date Dec 13, 1983
    • Krupp Polysius AG
    • Ludger Lohnherr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Process for controlling a grinding installation
    • Patent number 4,402,462
    • Issue date Sep 6, 1983
    • Krupp Polysius AG
    • Ludger Lohnherr
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Method and apparatus for processing abrasive material
    • Patent number 4,109,871
    • Issue date Aug 29, 1978
    • Polysius AG
    • Ludger Lohnherr
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...