Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686642 | Thermal monitoring system for temperature-sensitive storage containers | — | 2023-06-27 |
| 10870955 | Box culvert | — | 2020-12-22 |
| 10612227 | Modular storm water management systems and methods of assembling the same | Tyler R. Haack, Joseph P. Peterson | 2020-04-07 |
| 10435880 | Modular storm water management systems and methods of assembling the same | Tyler R. Haack, Joseph P. Peterson | 2019-10-08 |
| 10119633 | Precast segmented annular structure with structural joint | — | 2018-11-06 |
| 9809938 | Box culvert | — | 2017-11-07 |
| 8708601 | Box culvert | — | 2014-04-29 |
| 6401400 | Industrial vault | — | 2002-06-11 |
| 5925848 | Concrete step-in electronic cabinet system | — | 1999-07-20 |
| 5778608 | Vaulted underground storage tank | — | 1998-07-14 |
| 5618315 | Spinal and other osseous joint adjusting instrument | — | 1997-04-08 |
| 5495695 | Vaulted underground storage tank | — | 1996-03-05 |
| 4533280 | Surface removal silo unloaders | Todd Knecht | 1985-08-06 |
| 4445313 | Hay cutting machines | Todd Knecht | 1984-05-01 |