Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10725484 | Method and apparatus for pulse gas delivery using an external pressure trigger | Mark J. Quaratiello, Junhua Ding | 2020-07-28 | $34,072,000 |
| 10698426 | Methods and apparatus for multiple channel mass flow and ratio control systems | Junhua Ding, Wayne Cole | 2020-06-30 | $60,730,000 |
| 10649471 | Method and apparatus for pulse gas delivery with isolation valves | Junhua Ding, Gordon Hill | 2020-05-12 | $54,155,000 |