Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699429 | Method of making silicon nitride-bonded silicon carbide honeycomb filters | Yanxia Ann Lu, Elizabeth Margaret Wheeler | 2004-03-02 |
| 6328779 | Microwave regenerated diesel particular filter and method of making the same | Lin He, Gregory Albert Merkel, Cameron Wayne Tanner | 2001-12-11 |
| 6322605 | Diesel exhaust filters | Lin He, Gregory Albert Merkel, Cameron Wayne Tanner | 2001-11-27 |
| 6010543 | Method of making a honeycomb battery structure | George E. Berkey, John L. Stempin, Ronald Leroy Stewart | 2000-01-04 |
| 5916706 | Honeycomb battery structure | George E. Berkey, John L. Stempin, Ronald Leroy Stewart | 1999-06-29 |
| 5738955 | Deep-discharge battery separator | Thomas N. Gardner, Alvin J. Salkind, John L. Stempin | 1998-04-14 |
| 5728331 | Method of preparing a battery separator | John L. Stempin, Ronald Leroy Stewart | 1998-03-17 |
| 5616160 | Process for vitrifying incinerator ash | M. Grayson Alexander, John L. Stempin | 1997-04-01 |
| 5591683 | Phase-separated, non-crystalline opal glasses | John L. Stempin | 1997-01-07 |
| 5554464 | Honeycomb battery separator | John L. Stempin, Ronald Leroy Stewart | 1996-09-10 |
| 5514494 | Battery separator | John L. Stempin, Ronald Leroy Stewart | 1996-05-07 |
| 5427986 | B-N-C.sub.x hydrid coatings for inorganic fiber reinforcement materials | Kenneth Chyung, John L. Stempin | 1995-06-27 |
| 5422319 | Fiber reinforced ceramic matrix composites exhibiting improved high-temperature strength | John L. Stempin | 1995-06-06 |
| 5418194 | Coated inorganic fiber reinforcement materials and ceramic composites comprising the same | Steven Bruce Dawes, John L. Stempin | 1995-05-23 |
| 5198302 | Coated inorganic fiber reinforcement materials and ceramic composites comprising the same | Kenneth Chyung, Steven Bruce Dawes | 1993-03-30 |
| 5194303 | Additives for lead- and cadmium-free glazes | Jaroslava M. Nigrin, Kathleen Ann Wexell | 1993-03-16 |
| 5164341 | Fiber reinforced ceramic matrix composites exhibiting improved high-temperature strength | Kenneth Chyung, John L. Stempin | 1992-11-17 |
| 5153152 | Multicomponent ceramic matrix composites | Steven Bruce Dawes, John L. Stempin | 1992-10-06 |
| 5132254 | Coated fibers for ceramic matrix composites | John L. Stempin | 1992-07-21 |
| 5039635 | Carbon-coated reinforcing fibers and composite ceramics made therefrom | John L. Stempin | 1991-08-13 |
| 4746632 | Inorganic crystalline fibers | James E. Flannery | 1988-05-24 |
| 4536480 | Opal glasses having an apatite opacifying phase | James E. Flannery, John L. Stempin | 1985-08-20 |
| 4536452 | Spontaneously-formed machinable glass-ceramics | John L. Stempin | 1985-08-20 |
| 4536481 | Opal glasses having an apatite opacifying phase | James E. Flannery, John L. Stempin | 1985-08-20 |
| 4442175 | Cellular ceramic bodies and method making same | James E. Flannery, Robert D. Shoup | 1984-04-10 |