Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4390169 | Modular unit blast furnace runner and hot metal gate | — | 1983-06-28 |
| 4350325 | Prefabricated multiple density blast furnace runner | — | 1982-09-21 |
| 4316831 | Material for treating coke oven doors and jambs to prevent the build up of tar thereon | — | 1982-02-23 |
| 4289804 | Process for treating metal handling and shaping devices | — | 1981-09-15 |
| 4262885 | Prefabricated consumable blast furnace runner | — | 1981-04-21 |