Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995270 | Molten metal sampling | Kenneth W. Bates | 1991-02-26 |
| 4944496 | Apparatus for injecting gas into high temperature liquids, e.g. molten metals | John R. Gelsthorpe | 1990-07-31 |
| 4899992 | Devices and apparatus for injecting gas into high temperature liquids, e.g. molten metals | John R. Gelsthorpe | 1990-02-13 |
| 4597514 | Sliding gate valves and components thereof | — | 1986-07-01 |
| 4429816 | Union for providing inert gas between teeming nozzle and pouring tube | — | 1984-02-07 |
| 4421257 | Metal pouring nozzle with gas inlet | — | 1983-12-20 |