Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10351784 | Pyrolysis furnace tubes | ChangMin Chun | 2019-07-16 |
| 10336945 | Process and apparatus for decoking a hydrocarbon steam cracking furnace | Subramanian Annamalai, James M. Frye | 2019-07-02 |
| 10315968 | Process for steam cracking hydrocarbons | Gary F. Janda | 2019-06-11 |
| 10207242 | Alumina forming refinery process tubes with mixing element | ChangMin Chun | 2019-02-19 |