Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643843 | Silicon nitride/silicon carbide composite densified materials prepared using composite powders | Stephen D. Dunmead, Alan W. Weimer, Daniel F. Carroll, Glenn A. Eisman, Gene A. Cochran +2 more | 1997-07-01 |
| 5595622 | Method of making a boron carbide cermet with an aluminum oxide layer | Aleksander J. Pyzik, Sharon M. Fuller | 1997-01-21 |
| 5538675 | Method for producing silicon nitride/silicon carbide composite | Stephen D. Dunmead, Alan W. Weimer, Daniel F. Carroll, Glenn A. Eisman, Gene A. Cochran +2 more | 1996-07-23 |
| 5525556 | Silicon nitride/silicon carbide composite powders | Stephen D. Dunmead, Alan W. Weimer, Daniel F. Carroll, Glenn A. Eisman, Gene A. Cochran +2 more | 1996-06-11 |
| 5508120 | Boron carbide cermet structural materials with high flexure strength at elevated temperatures | Aleksander J. Pyzik, Sharon M. Fuller | 1996-04-16 |
| 5413972 | SiAlON composites and method of preparing the same | Chinmau James Hwang, David W. Susnitzky | 1995-05-09 |
| 5227346 | Sialon composites and method of preparing the same | Chinmau James Hwang | 1993-07-13 |
| 5160508 | Self-reinforced silicon nitride ceramic of high fracture toughness | Aleksander J. Pyzik, Harold E. Rossow, Douglas B. Schwarz, Barbara M. Pyzik, William J. Dubensky | 1992-11-03 |
| 5118645 | Self-reinforced silicon nitride ceramic of high fracture toughness and a method of preparing the same | Aleksander J. Pyzik, Harold E. Rossow, Douglas B. Schwarz, Barbara M. Pyzik, William J. Dubensky | 1992-06-02 |
| 5021372 | Method of preparing a self-reinforced silicon nitride ceramic of high fracture toughness | Aleksander J. Pyzik, Douglas B. Schwarz, Harold E. Rossow, Barbara M. Pyzik, William J. Dubensky | 1991-06-04 |
| 4919689 | Self-reinforced silicon nitride ceramic of high fracture toughness | Aleksander J. Pyzik, Douglas B. Schwarz, William J. Dubensky | 1990-04-24 |
| 4883776 | Self-reinforced silicon nitride ceramic of high fracture toughness and a method of preparing the same | Aleksander J. Pyzik, William J. Dubensky, Douglas B. Schwarz | 1989-11-28 |