Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12151868 | Bulk container having steel overpack | Dale Maenke, Jacob Littfin, John M. Hennen | 2024-11-26 |
| 5046638 | Seamless pressure vessel with recessed indentation | — | 1991-09-10 |
| 4793491 | Pressurizable chemical shipping vessel | Joshua P. Waldman | 1988-12-27 |