Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9896308 | Electric hydraulic catalyst loading and unloading device and methods therefor | Norman D. Nelson, Walter L. Calhoun | 2018-02-20 |
| 9457826 | Catalyst loading and unloading device and methods therefor | Norman D. Nelson | 2016-10-04 |
| 9194609 | Shop-assembled solar receiver heat exchanger | Steven P. Iannacchione, Dennis R. Shiffer, David T. Wasyluk, Jason M. Marshall, David L. Kraft +5 more | 2015-11-24 |