Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298078 | Refractory article | Evgeniy E. Esjunin | 2025-05-13 |
| 11340018 | Refractory article | Evgeniy E. Esjunin | 2022-05-24 |
| 10030910 | Refractory article | Evgeniy E. Esjunin | 2018-07-24 |
| 6884374 | Suction control in a suction/blowing mold system | Rudolf Küpper, Heinz-Hugo Willach | 2005-04-26 |
| 6598449 | Continuous light section or wire rod rolling train | Michael Kruse, Alfred Muller | 2003-07-29 |
| 6585176 | Process for increasing the effectiveness of the comminution of bulk materials by oxidation | Olaf Mientkewitz, Elke Schweers, Ulrich Bauer, Helmut Gursky, Raimo Drögemeier | 2003-07-01 |
| 6349581 | Method for controlling the tension between roll stands of mill trains for steel bars, wire or profiles | Otmar Palzer, Ulrich Svejkovsky | 2002-02-26 |
| 6202459 | Method of and rolling mill train for producing bar-shaped rolled products | Otmar Palzer, Erich Grossmann | 2001-03-20 |
| 6038757 | Method of operating a roll stand arrangement | Ulrich Svejkovsky | 2000-03-21 |
| 6029492 | Fine steel or wire train with roughing train, intermediate train and multiple-stand finishing block | Rudiger Grimmel, Karl Keller, Klaus Hoffmann | 2000-02-29 |
| 6029490 | Device for changing the vertical position of the vertical rolls in universal roll stands | Michael Minnerop, Hans-Jurgen Reismann | 2000-02-29 |
| 5983481 | Method of making forged steel bar | — | 1999-11-16 |
| 5901597 | Method of operating a roll stand arrangement | Ulrich Svejkovsky | 1999-05-11 |
| 5896771 | Roll stand with a pair of roll support shafts with bearings at both ends of the shafts | Albert Hauck | 1999-04-27 |
| 5698097 | Oil filter including replaceable primary and secondary flow filter elements | Hans Gebert, Rolf Mohle, Dietmar Sonntag, Elke Bruss, Dietwart Guntert | 1997-12-16 |
| 5682785 | Rolling mill and method for precision rolling wire or rolling stock having a round cross-section | Karl Keller, Paul-Josef Mauk | 1997-11-04 |
| 5613392 | Horizontal/vertical roll stand | Konrad Hamraths | 1997-03-25 |
| 5516425 | Oil filter for the cleaning of lubricating oil | Thomas Brieden, Rolf Mohle, Dietmar Sonntag | 1996-05-14 |
| 5317987 | Indicator for display of elapsed times and/or of the moment when changes of state occur | Bruno Langenfeld | 1994-06-07 |
| 5269582 | Convertible top | Manfred Kasparak | 1993-12-14 |
| 5144828 | Combined light-section mill and wire mill | Johann Grotepass, Konrad Hamraths, Albert Hauck, Karl Keller | 1992-09-08 |
| 5000023 | Operating method and rolling mill train for continuously rolling a profiled billet to a predetermined finished cross-sectional shape of accurate size | Hugo Feldmann, Gunter Kirchmann, Paul Kreisel | 1991-03-19 |
| 4966270 | Hydraulically operated double clutch for a motor vehicle | Siegfried Rispeter, Rainer Wust | 1990-10-30 |
| 4831750 | Shoe-construction shoe-construction product and method of fabricating the product | — | 1989-05-23 |
| 4803863 | Apparatus for rolling bar stock | Hugo Feldmann, Claus Schlanzke | 1989-02-14 |