Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10246760 | Platinum recovery methods | Lawrence Bernard Kool | 2019-04-02 |
| 6652914 | Method for selective surface protection of a gas turbine blade which has previously been in service | Nigel Brian Thomas Langley, Keng N. Chen, Kwok Heng Yow | 2003-11-25 |
| 6228510 | Coating and method for minimizing consumption of base material during high temperature service | Keng N. Chen, Shih-Tung Ngiam | 2001-05-08 |
| 6195891 | Method for identification and repair of indications in hardware | Keng N. Chen | 2001-03-06 |