Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451621 | Bubble formation in liquid such as molten glass | — | 2008-11-18 |
| 6060014 | Gas dispersion apparatus for molten aluminum refining | — | 2000-05-09 |
| 5364078 | Gas dispersion apparatus for molten aluminum refining | — | 1994-11-15 |
| 5275385 | Rotor speed control for an aluminum refining system | — | 1994-01-04 |
| 5234202 | Gas dispersion apparatus for molten aluminum refining | — | 1993-08-10 |
| 5198180 | Gas dispersion apparatus with rotor and stator for molten aluminum refining | — | 1993-03-30 |
| 5120027 | Heater arrangement for aluminum refining systems | — | 1992-06-09 |
| 5085536 | Strengthened graphite-metal threaded connection | — | 1992-02-04 |
| 4998710 | Apparatus for holding and refining of molten aluminum | — | 1991-03-12 |
| 4941647 | Protective lining for aluminum refining vessel | — | 1990-07-17 |
| 4784374 | Two-stage aluminum refining vessel | — | 1988-11-15 |
| 4717126 | Apparatus for holding and refining of molten aluminum | — | 1988-01-05 |
| 4685822 | Strengthened graphite-metal threaded connection | — | 1987-08-11 |
| 4624128 | Hydrogen probe | — | 1986-11-25 |
| 4373704 | Apparatus for refining molten metal | — | 1983-02-15 |
| 4366721 | Molten metal sampling device | — | 1983-01-04 |
| 4357004 | Apparatus for refining molten metal | — | 1982-11-02 |
| 4290588 | Apparatus for refining molten aluminum | — | 1981-09-22 |
| 4203581 | Apparatus for refining molten aluminum | — | 1980-05-20 |
| 4191486 | Threaded connections | — | 1980-03-04 |