| 7258512 |
Drill clamp and method |
James Morrison, Thomas O. Blankenship |
2007-08-21 |
| RE34418 |
Apparatus and method for introducing substances into liquid metal |
William A. Griffiths |
1993-10-26 |
| 5198179 |
Gas injector |
— |
1993-03-30 |
| 4995270 |
Molten metal sampling |
Anthony Thrower |
1991-02-26 |
| 4911414 |
Sealing injection apparatus for injecting substances into molten metals |
Peter R. Dixon, John G. Toyn |
1990-03-27 |
| 4900357 |
Injection of substances into high temperature liquids |
— |
1990-02-13 |
| 4802655 |
Apparatus for injecting substances into liquids |
— |
1989-02-07 |
| 4789141 |
Nozzles for injecting substances into liquids |
Joseph W. Cudby, Peter R. Dixon |
1988-12-06 |
| 4742995 |
Apparatus for introducing treatment substances into liquids |
— |
1988-05-10 |
| 4701215 |
Apparatus for introducing substances into liquids e.g. metal melts |
William A. Griffiths |
1987-10-20 |
| 4575393 |
Apparatus for introducing substances into liquids e.g. metal melts |
William A. Griffiths |
1986-03-11 |
| 4543981 |
Sliding gate valves |
Norman H. Watts |
1985-10-01 |
| 4457459 |
Valve suitable for controlling teeming from furnace tapholes |
William A. Griffiths, Norman H. Watts |
1984-07-03 |