Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9481041 | Monolithic ceramic end mill | Danny Ray Davis, Sean E. Landwehr | 2016-11-01 |
| 8647025 | Monolithic ceramic end mill | Danny Ray Davis, Sean E. Landwehr | 2014-02-11 |
| 8501050 | Titanium diboride-silicon carbide composites useful in electrolytic aluminum production cells and methods for producing the same | Sean E. Landwehr | 2013-08-06 |
| 8367576 | Charge-dispersing alpha prime-beta prime SiA1ON | Jie Wu | 2013-02-05 |
| 8318622 | Alpha-beta SiAlON ballistic armor ceramic and method for making the same | — | 2012-11-27 |
| 8142749 | Readily-densified titanium diboride and process for making same | Sean E. Landwehr | 2012-03-27 |
| 7855159 | Alpha-beta SiAlON ballistic ceramic armor | — | 2010-12-21 |
| 7402540 | Ceramic body containing alumina and boron carbide | Shanghua Wu | 2008-07-22 |
| 7375044 | Process for making a ceramic body containing alumina and boron carbide | Shanghua Wu | 2008-05-20 |
| 7368406 | Whisker-reinforced ceramic containing aluminum oxynitride and method of making the same | Shanghua Wu | 2008-05-06 |
| 7335615 | Method of machining a workpiece using a ceramic cutting insert including alumina and boron carbide | Shanghua Wu | 2008-02-26 |
| 7309673 | SiAlON ceramic and method of making the same | — | 2007-12-18 |
| 7262145 | Whisker-reinforced ceramic containing aluminum oxynitride and method of making the same | Shanghua Wu | 2007-08-28 |
| 7223709 | Method of making a SiAION ceramic | — | 2007-05-29 |
| 7217674 | Alumina-boron carbide ceramics and methods of making and using the same | Shanghua Wu | 2007-05-15 |
| 7094717 | SiAlON containing ytterbium and method of making | — | 2006-08-22 |
| 7049256 | SiAlON containing ytterbium and method of making | — | 2006-05-23 |
| 6964933 | SiAlON containing ytterbium and method of making | — | 2005-11-15 |
| 6693054 | Method of making SiAlON containing ytterbium | — | 2004-02-17 |
| 6471734 | Ceramic and process for the continuous sintering thereof | — | 2002-10-29 |
| 5759481 | Silicon nitride having a high tensile strength | Vimal K. Pujari, Dennis M. Tracey, Michael Foley, Norman I. Paille, Jr., Paul J. Pelletier +2 more | 1998-06-02 |
| 5571760 | Silicon nitride having a high tensile strength | Vimal K. Pujari, Dennis M. Tracey, Michael Foley, Norman I. Paille, Jr., Paul J. Pelletier +2 more | 1996-11-05 |
| 5545597 | Silicon nitride ceramic having high fatigue life and high toughness | — | 1996-08-13 |
| 5518673 | Silicon nitride ceramic having high fatigue life and high toughness | — | 1996-05-21 |
| 5512522 | Silicon nitride ceramic comprising samaria and ytterbia | — | 1996-04-30 |