| 5927967 |
Method of removing sulphur dioxide from cement kiln exhaust gases |
Klaus Bauer, Jurgen Thormann |
1999-07-27 |
| 5791490 |
Separator for particulate materials |
Otto Heinemann, Ingo Engeln, Hubert Eickholt, Michael von Seebach, Ludger Schulte |
1998-08-11 |
| 5381968 |
Apparatus and method for the crushing of material for grinding of differing grain size |
Ludger Kimmeyer, Walter Holz, Bernhard Zigan, Werner Schoneich |
1995-01-17 |
| 5350124 |
Roll mill |
Herbert Pingel, Ludger Kimmeyer, Hans-Dieter Baldus |
1994-09-27 |
| 5055182 |
Separator |
— |
1991-10-08 |
| 4982905 |
Apparatus for crushing materials |
Dietmar Holsiepe, Hans-Dieter Grudno, Bernhard Zigan |
1991-01-08 |
| 4919341 |
Grinding method and grinding apparatus |
— |
1990-04-24 |
| 4909450 |
Roller mill |
Heinrich Henne |
1990-03-20 |
| 4889289 |
Method and apparatus for crushing material for grinding |
Walter Holz |
1989-12-26 |
| 4694994 |
Roller mill |
Heinrich Henne, Gotthardt Blasczyk, Hubert Eickholt |
1987-09-22 |
| 4693811 |
Sifter |
— |
1987-09-15 |
| 4598872 |
Method of operating grinding apparatus and grinding apparatus operating according to this method |
Heinrich Henne, Peter Rittscher, Walter Holz |
1986-07-08 |
| 4420064 |
Means for lubricating radial shaft sealing rings in grinding rolls |
Walter Holz |
1983-12-13 |
| 4402462 |
Process for controlling a grinding installation |
— |
1983-09-06 |