Issued Patents 1989
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889008 | Apparatus for driving an oscillating spout | Edouard Legille | 1989-12-26 |
| 4889004 | Apparatus for driving an oscillating spout | Pierre Mailliet, Giovanni Cimenti | 1989-12-26 |
| 4878797 | Method and apparatus for correcting the falling path in a loading installation of a shaft furnace | — | 1989-11-07 |
| 4859131 | Supporting framework for a loading installation of a shaft furnace | Pierre Mailliet | 1989-08-22 |
| 4844292 | Mechanism for actuating an opening and shut-off valve | Pierre Mailliet | 1989-07-04 |
| 4827689 | Automated apparatus for lining the wall of a vessel with bricks | Michael Kirchen, Victor Kremer | 1989-05-09 |
| 4822229 | Installation for charging a shaft furnace | Edouard Legille, Germain Schilz | 1989-04-18 |
| 4821998 | Mechanism for operating a metering valve | Edouard Legille | 1989-04-18 |
| 4820105 | Apparatus for charging a shaft furnace | Edouard Legille, Germain Schilz | 1989-04-11 |
| 4815696 | Mechanism for operating a metering valve | — | 1989-03-28 |
| 4812092 | Feed hopper for a loading installation of a shaft furnace | — | 1989-03-14 |
| 4812100 | Rolling track for a rotary hopper | Pierre Mailliet | 1989-03-14 |