| 7402274 |
Metal making lance slag detection system |
George Cingle, III, Michael Mattich |
2008-07-22 |
| 6217824 |
Combined forged and cast lance tip assembly |
Theodore J. Leczo, Stephen A. Manley, Peter J. Danek |
2001-04-17 |
| 5865876 |
Multipurpose lance |
Richard R. Watkins, Kenneth M. Goodson |
1999-02-02 |
| 5635130 |
Combined oxygen blowing/fuel burner lance assembly |
Theodore J. Leczo, Gerald R. Glatz |
1997-06-03 |
| 5377960 |
Oxygen/carbon blowing lance assembly |
Theodore J. Leczo, Gary Bugar |
1995-01-03 |
| 4732370 |
Self contained double O'ring slip joint and quick disconnect lance |
William W. Berry |
1988-03-22 |
| RE32220 |
Lance mounted spray apparatus |
Leo L. Meinert |
1986-08-05 |
| 4494737 |
Lance for repairing the lining of steelmaking vessels |
Leo L. Meinert |
1985-01-22 |
| 4386763 |
Lance mounted spray apparatus |
Leo L. Meinert |
1983-06-07 |
| 4322033 |
Lance and method for removing skulls from steelmaking vessels |
Leo L. Meinert |
1982-03-30 |
| 4272989 |
Instrument lance for basic oxygen steelmaking furnace |
Leo L. Meinert |
1981-06-16 |
| 4245824 |
Chute for charging vessels |
— |
1981-01-20 |
| 4230274 |
Lance for removing skulls from steelmaking vessels |
Leo L. Meinert |
1980-10-28 |
| 4211316 |
Chute for charging steel making vessels |
Charles Timothy Smith |
1980-07-08 |