Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6325620 | Method of reducing volatile pollutants in the exhaust gases from a heat exchanger system | — | 2001-12-04 |
| 6266883 | Method of making a grate plate | Hermann Niemerg, Norbert Bredenholler, Ludger Brentrup | 2001-07-31 |
| 5961056 | Method and apparatus for fine comminution of granular mill feed material | — | 1999-10-05 |
| 5947719 | Grate plate construction | Hermann Niemerg, Norbert Bredenholler, Ludger Brentrup | 1999-09-07 |
| 5791490 | Separator for particulate materials | Ingo Engeln, Hubert Eickholt, Ludger Lohnherr, Michael von Seebach, Ludger Schulte | 1998-08-11 |
| 5673860 | Method and apparatus for comminuting moist mineral material | Michael Seebach | 1997-10-07 |
| 5149266 | Method and apparatus for cooling hot material | Heinz-Herbert Schmits | 1992-09-22 |
| 5054702 | Rotary crushing roll | — | 1991-10-08 |
| 4936548 | Rotary gate valve arrangement | Dietrich Kornetzky, Ludger Thone, Hans-Joachim Golz | 1990-06-26 |
| 4915311 | Roller mill | Heinz Grachtrup, Helmut Krumme, Helmut Lucke, Werner Schossler, Karl von Greiffenstern | 1990-04-10 |
| 4896837 | Roller mill | Norbert Bredenholler | 1990-01-30 |
| 4880172 | Roller mill | Heinz-Dieter Baldus, Norbert Schroder | 1989-11-14 |
| 4861265 | Apparatus and method for the heat treatment of fine-grained material | Manfred Durr, Georg Unland, Gunter Driemeier, Karl Krutzner, Heinz-Herbert Schmits +3 more | 1989-08-29 |
| 4838830 | Flexible coupling | — | 1989-06-13 |
| 4792393 | Spiral air sifter having air regulation | Gotthardt Blasczyk, Hubert Eickholt, Norbert Bredenholler, Ludger Kimmeyer, Peter Tiggesbaumker +2 more | 1988-12-20 |
| 4778381 | Reciprocating grate drive apparatus | Heinz-Herbert Schmits | 1988-10-18 |
| 4756093 | Apparatus for heat exchange between gas and fine-grained material | Heinz-Herbert Schmits | 1988-07-12 |
| 4681021 | Driving apparatus | Heinz-Herbert Schmits | 1987-07-21 |
| 4663031 | Percussion jig | Hans-Hermann Nanz, Gunter Milewski, Norbert Schroder | 1987-05-05 |
| 4660805 | Device for shutting off a pipe | Franz D. Hahn, Heinz-Herbert Schmits | 1987-04-28 |
| 4597867 | Air-controlled settling apparatus | Heinz-Dieter Baldus, Armin Supp, Hans-Hermann Nanz, Helmut Thieme, Heinz Rasch | 1986-07-01 |
| 4563271 | Percussion jig | Norbert Schroder, Gunter Milewski, Manfred Neusser, Hermann Dorr, Armin Supp +3 more | 1986-01-07 |
| 4545704 | Method and apparatus for the pneumatic conveyance of fine material | — | 1985-10-08 |
| 4539782 | Silo for loose material in powder form | Norbert Ahrens, Heinrich Klockenbusch, Wolfgang Kluger | 1985-09-10 |
| 4466750 | Bearing segment for a sliding shoe | Burkhard Heiringhoff, Helmut Lucke, Werner Schossler, Helmut Krumme | 1984-08-21 |