Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9315747 | Nano-sized zinc oxide particles for fuel | Richard W. Tock, Arlene Hernandez, Duck Joo Yang | 2016-04-19 |
| 9303504 | In-situ artificial pressurization of a well with carbon dioxide recycling to increase oil production | Duck Joo Yang | 2016-04-05 |
| 9267088 | Fuels for cold start conditions | Richard W. Tock, Duck Joo Yang | 2016-02-23 |
| 8881837 | Increasing oil production | Duck Joo Yang | 2014-11-11 |
| 8834583 | Nano-sized zinc oxide particles for fuel | Richard W. Tock, Arlene Hernandez, Duck Joo Yang | 2014-09-16 |
| 8545577 | Catalyst component for aviation and jet fuels | Richard W. Tock, Arlene Hernandez, Duck Joo Yang | 2013-10-01 |
| 8496066 | Methods for increasing oil production | Duck Joo Yang | 2013-07-30 |
| 8469110 | Methods for increasing oil production | Duck Joo Yang | 2013-06-25 |
| 8377290 | Low sulfur fuels | Richard W. Tock, Duck Joo Yang | 2013-02-19 |
| 8347973 | Increasing oil production | Duck Joo Yang | 2013-01-08 |
| 8272449 | Methods for increasing oil production | Duck Joo Yang | 2012-09-25 |
| 8182554 | Fuels for cold start conditions | Richard W. Tock, Duck Joo Yang | 2012-05-22 |
| 8182555 | Nano-sized zinc oxide particles for fuel | Richard W. Tock, Arlene Hernandez, Duck Joo Yang | 2012-05-22 |
| 8132628 | Methods for increasing oil production | Duck Joo Yang | 2012-03-13 |
| 5951722 | Catalyzed lower alcohols-water based fuels | Richard W. Tock | 1999-09-14 |
| 5266082 | Fuel additive | — | 1993-11-30 |