Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378847 | Monolithic ceramic gas diffuser for injecting gas into a molten metal bath | David Larsen, Earle R. Webster, Jr. | 2002-04-30 |
| 6322729 | Method of forming monolithic ceramic gas diffuser | David Larsen, Earle R. Webster, Jr. | 2001-11-27 |
| 6199836 | Monolithic ceramic gas diffuser for injecting gas into a molten metal bath | David Larsen, Earle R. Webster, Jr. | 2001-03-13 |
| 5997802 | Directly susceptible, noncarbon metal ceramic composite crucible | Cressie E. Holcombe, Jr., James O. Kiggans, Jr., S. Marvin Morrow | 1999-12-07 |
| 5954121 | Refractory diffusor for industrial heat source | Jeffrey J. Bolebruch, David P. Bacchi, Edwin L. Collins, III, Timothy F. Connors | 1999-09-21 |
| 5647432 | Ceramic ferrule and ceramic ferrule refractory wall for shielding tube sheet/boiler tube assembly of heat exchanger | Jeffrey J. Bolebruch | 1997-07-15 |