Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12151220 | Vertical motion mixing drive | Haydon Christiansen, Jacob Harwood | 2024-11-26 |
| 11111168 | Tank with membrane cover and draft tube mixer | Haydon Christiansen, Jacob Harwood | 2021-09-07 |
| 10611654 | Municipal mixing with reciprocating motion disk | Haydon Christiansen | 2020-04-07 |
| 8069634 | Lifting system and apparatus for constructing and enclosing wind turbine towers | Tracy Livingston, Terry Schrader, James Lott, David Oliphant, Harry Daugherty | 2011-12-06 |
| 7877934 | Lifting system and apparatus for constructing wind turbine towers | Tracy Livingston, Terry Schrader, James Lott | 2011-02-01 |