Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12299604 | Information delivery and maintenance system for dynamically generated and updated data pertaining to road maintenance vehicles and other related information | Christopher J. Rennie | 2025-05-13 |
| 12227911 | Mobile barrier | David Meyerink, Duane Meyerink, LeRoy Severson | 2025-02-18 |
| 12183194 | Distributed maintenance decision and support system and method | — | 2024-12-31 |
| 12146276 | Mobile barrier | — | 2024-11-19 |
| 12084820 | Mobile barrier with a sliding reinforced wall | Taylor Groeneweg | 2024-09-10 |
| 12031282 | Towable crash-attenuating vehicle | Taylor Groeneweg, Connor Groeneweg | 2024-07-09 |
| 11948477 | Emergency response barrier | Taylor Groeneweg | 2024-04-02 |
| D1015219 | Mobile barrier | — | 2024-02-20 |
| 11668059 | Mobile barrier | — | 2023-06-06 |
| 11560679 | Mobile barrier | David Meyerink, Duane Meyerink, Le Roy Severson | 2023-01-24 |
| 11512441 | Towable crash-attenuating vehicle | Taylor Groeneweg, Connor Groeneweg | 2022-11-29 |
| 11386782 | Maintenance decision support system and method for vehicular and roadside applications | Christopher J. Rennie | 2022-07-12 |
| 11384494 | Safety trailer | — | 2022-07-12 |
| 11270231 | Information delivery and maintenance system for dynamically generated and updated data pertaining to road maintenance vehicles and other related information | Christopher J. Rennie | 2022-03-08 |
| 10920384 | Mobile barrier | David Meyerink, Duane Meyerink, LeRoy Severson | 2021-02-16 |
| 10733542 | Information delivery and maintenance system for dynamically generated and updated data pertaining to road maintenance vehicles and other related information | Christopher J. Rennie | 2020-08-04 |
| 10669681 | Mobile barrier | David Meyerink, Duane Meyerink, LeRoy Severson | 2020-06-02 |
| D871268 | Mobile barrier | — | 2019-12-31 |
| 10428474 | Mobile barrier | — | 2019-10-01 |
| 10410517 | Distributed maintenance decision and support system and method | — | 2019-09-10 |
| 10352779 | Integrated rail efficiency and safety support system | Christopher J. Rennie | 2019-07-16 |
| 10301787 | Safety trailer | — | 2019-05-28 |
| 10275724 | Information delivery and maintenance system for dynamically generated and updated data pertaining to road maintenance vehicles and other related information | Christopher J. Rennie | 2019-04-30 |
| 10240308 | Mobile barrier | David Meyerink, Duane Meyerink, LeRoy Severson | 2019-03-26 |
| 10179981 | Mobile barrier | David Meyerink, Duane Meyerink, LeRoy Severson | 2019-01-15 |