Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396682 | Free machining and non-quenched and tempered steel and manufacturing method therefor | Dajiang Yu, Xijun JIANG, Zongze Huang | 2022-07-26 |
| 11332979 | Driven rotary steering system having variable-aperture valve orifices | Neelesh Deolalikar, Ravi P. Nanayakkara | 2022-05-17 |