Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970374 | Pipelayer machine with rear engine configuration | Curtis John Caldwell, Donald Vance | 2024-04-30 |
| 11970375 | Pipelayer machine with forward towing winch configuration | Curtis John Caldwell, Donald Vance | 2024-04-30 |
| 11970376 | Winch speed compensation systems and methods | Curtis John Caldwell | 2024-04-30 |
| 11814269 | Counterweight system for lifting machines | Robert A. Jackson, Curtis John Caldwell, Michael Thomas Jackson | 2023-11-14 |