Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425436 | Sand core breaking apparatus | — | 2002-07-30 |
| 6397923 | Pipe core clean out system | Joseph J. Gobeille | 2002-06-04 |
| 6149376 | Pipe moving method, apparatus and system | — | 2000-11-21 |
| 6090180 | Cupola emission control system and method | Gregory K. Qualizza, Craig McNally, Mitchell Kidd | 2000-07-18 |
| 5427604 | Alloy material addition method and apparatus for smelting and melting furnaces | C. Gilmer Loving, Eugene B. Bailey | 1995-06-27 |
| 5037144 | Restrained pipe joint | John J. Budziak | 1991-08-06 |
| 4552385 | Boltless restrained pipe joint | — | 1985-11-12 |
| 4506919 | Restrained mechanical pipe joint | — | 1985-03-26 |