Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154907 | Process for the continuous production of high purity, ultra-fine, aluminum nitride powder by the carbo-nitridization of alumina | Jonathan J. Kim, Viswanathan Venkateswaran, Joel D. Katz, Carl H. McMurtry | 1992-10-13 |
| 5045111 | Filtration of molten ferrous metal | Alison W. Gee, David J. Eichermiller | 1991-09-03 |
| 5028036 | Filter for molten ferrous metal | Alison W. Gee, David J. Eichenmiller | 1991-07-02 |
| 4868142 | Method of manufacturing a molten metal-resistant ceramic fiber composition | Steven J. Waisala | 1989-09-19 |
| 4693989 | Preparation and sintering of refractory metal borides, carbides and nitrides of high purity | — | 1987-09-15 |
| 4600481 | Aluminum production cell components | Douglas J. Wheeler, Dan Gagescu, Pierre E. Debely, Iudita L. Adorian, Jean-Pierre Derivaz | 1986-07-15 |
| 4595545 | Refractory metal borides and composites containing them | — | 1986-06-17 |
| 4560448 | Aluminum wettable materials for aluminum production | Douglas J. Wheeler, Charles S. Kuivila | 1985-12-24 |
| 4552630 | Ceramic oxide electrodes for molten salt electrolysis | Douglas J. Wheeler, Jean-Jacques Duruz, Jean-Pierre Derivaz | 1985-11-12 |
| 4544457 | Dimensionally stable drained aluminum electrowinning cathode method and apparatus | Douglas J. Wheeler, Charles S. Kuivila | 1985-10-01 |
| 4517069 | Titanium and titanium hydride reticulates and method for making | Marilyn J. Harney, Elvin M. Vauss, Jr. | 1985-05-14 |