Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364317 | Arrangement for sealing a closed production system | Tom Edward Estep, Ronald P. Hoffman, James R. Hunter, Jean Joseph Muller, Carl E. Vorhees +2 more | 2002-04-02 |
| 6101698 | Arrangement for sealing a closed production system | Tom Edward Estep, Ronald P. Hoffman, James R. Hunter, Jean Joseph Muller, Carl E. Vorhees +2 more | 2000-08-15 |
| 6059318 | Lateral entry remotely operated coupling system | Tom Edward Estep, Ronald P. Hoffman, James R. Hunter, Jean Joseph Muller, Carl E. Vorhees +2 more | 2000-05-09 |
| 4822229 | Installation for charging a shaft furnace | Edouard Legille, Emile Lonardi | 1989-04-18 |
| 4820105 | Apparatus for charging a shaft furnace | Edouard Legille, Emile Lonardi | 1989-04-11 |
| 4755095 | Device for closing a top central opening of a vessel and its application to a storage hopper in a shaft furnace charging installation | Pierre Mailliet | 1988-07-05 |