Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877935 | Cutting tool and indexable tip | Armin Schlemmer | 2005-04-12 |
| 5976718 | Process for producing a mainly inorganic foam, and thus produced mass or moulded part | — | 1999-11-02 |
| 5773376 | Process for producing a mainly inorganic foam, and thus produced mass or moulded part | — | 1998-06-30 |
| 5282883 | Method and apparatus for the high-temperature treatment of fine-grained solids in a melting cyclone | Kiranenda Chaudhuri | 1994-02-01 |
| 5223234 | Method for producing molybdenum trioxide (MOO.sub.3) from raw materials that contain MOS.sub.2 | Friedrich Megerle, Claudio Q. Diaz, Gerardo A. Herrera | 1993-06-29 |
| 5134026 | Process for manufacturing a compression-moulded synthetic resin object and fabricated material for use in said process | — | 1992-07-28 |
| 4927699 | Process for producing a decorative foil or sheet containing a polymer plastic, and a foil or plastic produced by this process | — | 1990-05-22 |
| 4687685 | Process for impregnating a planar compressible carrier material with synthetic resin, as well as device for working this process | — | 1987-08-18 |
| 4666132 | Method and apparatus for the pyrometallurgical treatment of fine grained solids to produce molten products | Friedrich Megerle, Wolfgang Wuth | 1987-05-19 |
| 4639269 | Method and apparatus for the reducing treatment of molten metals and/or slags thereof | Hermann Hilbrans, Michael Gamroth, Friedrich Megerle | 1987-01-27 |
| 4566903 | Method for the pyrometallurgical treatment of fine grained solids to produce molten products | Friedrich Megerle, Wolfgang Wuth | 1986-01-28 |
| 4493732 | Method for implementing pyro-metallurgical processes | Wolfgang Wuth | 1985-01-15 |
| 4414022 | Method and apparatus for smelting sulfidic ore concentrates | — | 1983-11-08 |
| 4362561 | Method for the smelting of material such as ore concentrates | Horst Weigel | 1982-12-07 |
| 4358311 | Method and apparatus for the smelting of material such as ore concentrates | Horst Weigel | 1982-11-09 |
| 4283045 | Apparatus for the continuous recovery of tin from iron rich concentrates | Horst Weigel | 1981-08-11 |
| 4236916 | Method for the continuous recovery of tin from iron rich concentrates | Horst Weigel | 1980-12-02 |