Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11215090 | High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof | Cong Yue Qiao, David Doll, Douglas W. Dooley | 2022-01-04 |
| 10677109 | High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof | Cong Yue Qiao, David Doll, Douglas W. Dooley | 2020-06-09 |
| 9932867 | Iron-based alloys and methods of making and use thereof | Cong Yue Qiao, David Doll, Peter Vennema | 2018-04-03 |
| 9334547 | Iron-based alloys and methods of making and use thereof | Cong Yue Qiao, David Doll, Peter Vennema | 2016-05-10 |
| 8613886 | Nickel-rich wear resistant alloy and method of making and use thereof | Cong Yue Qiao | 2013-12-24 |
| 8479700 | Iron-chromium alloy with improved compressive yield strength and method of making and use thereof | Cong Yue Qiao | 2013-07-09 |
| 8430075 | Superaustenitic stainless steel and method of making and use thereof | Cong Yue Qiao | 2013-04-30 |
| 7216427 | Surface treatment of prefinished valve seat inserts | Daniel W. Bancroft, Cong Yue Qiao, Douglas W. Dooley | 2007-05-15 |
| 6702905 | Corrosion and wear resistant alloy | Cong Yue Qiao | 2004-03-09 |
| 6519847 | Surface treatment of prefinished valve seat inserts | Daniel W. Bancroft, Cong Yue Qiao, Douglas W. Dooley | 2003-02-18 |