Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6902312 | Method of producing rubber mixtures | — | 2005-06-07 |
| 6828361 | Method for making a rubber base composition containing silicic acid | Winfried Heidrich, Dirk Gross, Heinrich Sandau | 2004-12-07 |
| 5882112 | Elastomer mixing unit | — | 1999-03-16 |
| 5844043 | Crosslinkable mixtures of recycled rubber granules and rubber | Peter C. Schmidt, Dieter Mahlke, Klaus zur Nedden | 1998-12-01 |
| 5633296 | Method for the production of rubber mixtures | — | 1997-05-27 |
| 5593226 | Apparatus for receiving and transporting material mixed in internal mixers used for processing rubber mixtures | — | 1997-01-14 |
| 5496107 | Method for producing a base mixture of rubber | — | 1996-03-05 |
| 5415823 | Method and apparatus for manufacturing rubber mixtures | — | 1995-05-16 |
| 5368383 | Apparatus for producing rubber mixtures | Gunter Weckerle | 1994-11-29 |
| 5251977 | Apparatus for producing rubber mixtures | Gunter Weckerle | 1993-10-12 |
| 5183640 | Apparatus for producing rubber mixtures | Gunter Weckerle | 1993-02-02 |
| 5108188 | Method for producing rubber mixtures | Gunter Weckerle | 1992-04-28 |
| 5011291 | Apparatus for producing rubber mixtures | — | 1991-04-30 |
| 4910237 | Producing rubber mixtures in combination master batch and final mixer utilizing ram- and ram-less kneaders | — | 1990-03-20 |
| 4876297 | Method of producing mixtures of rubber or rubber-like material, and carbon black | — | 1989-10-24 |
| 4244415 | Pneumatic vehicle tire with at least two tread strips arranged in spaced relationship to each other | Peter Johannsen, Gerhard Mauk | 1981-01-13 |
| 4234029 | Pneumatic vehicle tire | Heinz-Gunter Drossler, Willi Bachmann | 1980-11-18 |
| 4203480 | Pneumatic vehicle tire | Peter Johannsen, Gerhard Mauk | 1980-05-20 |