Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858511 | Grooved friction material, method of making same, and wet friction member using grooved friction material | — | 1999-01-12 |
| 5405592 | Non-densified silicon nitride beta-phase material | James P. Edler | 1995-04-11 |
| 5390414 | Gear making process | — | 1995-02-21 |
| 5252803 | Vehicle suspension member and method for making | — | 1993-10-12 |
| 5248130 | Vehicle leaf spring with irradiated center for crack diversion | — | 1993-09-28 |
| 5213729 | Process for preparing a densified beta-phase silicon nitride material having at least one densification aid, and the material resulting therefrom | James P. Edler | 1993-05-25 |
| 5187129 | Process for making silicon nitride and powders and articles made therefrom | James P. Edler | 1993-02-16 |
| 5166106 | Silicon-containing material having at least one densification aid including alumina | James P. Edler | 1992-11-24 |
| 5156830 | Process for preparing an alpha-phase silicon nitride material and thereafter converting to non-densified beta-phase material | James P. Edler | 1992-10-20 |
| 5079198 | Ceramic phase in sintered silicon nitride containing cerium, aluminum, and iron | James P. Edler | 1992-01-07 |
| 5055432 | Process for preparing a nitridable silicon-containing material having at least one densification aid including alumina, and the material resulting therefrom | James P. Edler | 1991-10-08 |
| 5044784 | Bearing isolator | — | 1991-09-03 |
| 4943401 | Process for making silicon nitride articles | James P. Edler | 1990-07-24 |