Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11944976 | Vertical ball mill, stator segment for a vertical ball mill and method for maintaining a vertical ball mill | Johann Knecht | 2024-04-02 |
| 9498781 | Method for manufacturing large mill cylinders | Andreas Echelmeyer, Bernd Kripzak, Herbert Pingel | 2016-11-22 |
| 8316543 | Method for reconditioning a used grinding roller | Johann Knecht, Herbert Pingel | 2012-11-27 |
| 7946518 | Grinding roller and method for the reconditioning thereof | Johann Knecht, Herbert Pingel | 2011-05-24 |
| 7510135 | Grinding roll | Egbert Burchardt, Rene Klymowsky, Johann Knecht | 2009-03-31 |
| 7195480 | Shaft preheater | Uwe Schuh, Thomas Schmits, Heinz Tölke, Joachim Kudras, Wolfgang Schwab | 2007-03-27 |
| 7033417 | Method and installation for reducing orefines in a multi-stage suspension gas stream using a cyclone separator | Jürgen Klonus, Dietrich Menzel | 2006-04-25 |
| 6918760 | Shaft pre-heater | Thomas R. Schmitz, Uwe Schuh, Wolfgang Schwab, Joachim Kudras, Tölke Heinz | 2005-07-19 |
| 6357683 | Roller grinding mill | Johann Knecht | 2002-03-19 |
| 5897063 | Method of comminuting ore material | Johann Knecht | 1999-04-27 |
| 5676317 | Method and apparatus for combined grinding of at least two materials of differing grindability | Gotthardt Blasczyk | 1997-10-14 |
| 5642863 | Method of extracting metals from ore material | Johann Knecht | 1997-07-01 |
| 5462234 | Grinding plant and method of grinding and classifying brittle material for grinding | Gotthard Blasczyk, Hubert Eickholt | 1995-10-31 |
| 5351894 | Method for the comminution of brittle material for grinding | Donald A. Longhurst | 1994-10-04 |
| 5110056 | Method and apparatus for reducing brittle material for subsequent grinding | Gotthardt Blasczyk | 1992-05-05 |
| 5096131 | Material bed roller mill | Gotthardt Blasczyk | 1992-03-17 |
| 5024754 | Separator | Michael von Seebach | 1991-06-18 |
| 4783011 | Method and apparatus for the two-stage crushing of brittle material for grinding | Gotthardt Blasczyk, Heinz-Georg Mersmann, Franz-Josef Adrian, Hardy Kropf | 1988-11-08 |
| 4783012 | Method and apparatus for the two-stage crushing of brittle material for grinding | Gotthardt Blasczyk, Heinz-Georg Mersmann, Franz-Josef Adrian, Hardy Kropf | 1988-11-08 |
| 4709864 | Method and apparatus for the crushing of material | Heinrich Henne, Lutz Schneider, Osbert R. Knobloch, Manfred Muller | 1987-12-01 |
| 4664322 | Tube mill | Heinrich Henne, Karl-Heinz Alker | 1987-05-12 |