Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4388962 | Electromagnetic casting method and apparatus | John C. Yarwood, Derek E. Tyler | 1983-06-21 |
| 4386958 | Process and flotation box for inclusion removal | Derek E. Tyler, Patrick D. Renschen | 1983-06-07 |
| 4289946 | Electromagnetic casting apparatus | John C. Yarwood, Derek E. Tyler, Peter J. Kindlmann | 1981-09-15 |
| 4265294 | Duflex impedance shield for shape control in electromagnetic casting | Gerhart K. Gaule, John C. Yarwood, Derek E. Tyler | 1981-05-05 |
| 4213496 | Electromagnetic casting apparatus | John C. Yarwood, Derek E. Tyler, Peter J. Kindlmann | 1980-07-22 |