Issued Patents All Time
Showing 1–25 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258230 | Offloading vacuum tank | — | 2025-03-25 |
| 11858761 | Offloading vacuum tank | — | 2024-01-02 |
| 11396734 | Trenching system with hydraulically adjustable hub | Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Steven P. Seabolt, Andrew A. Schuermann | 2022-07-26 |
| 11185803 | Drilling fluid reclaimer | Brant Douglas Kukuk | 2021-11-30 |
| 11173432 | Drilling fluid reclaimer | Brant Douglas Kukuk | 2021-11-16 |
| D925627 | Microtrencher blade | Michael C. Walgren | 2021-07-20 |
| D925628 | Microtrencher blade | Michael C. Walgren | 2021-07-20 |
| D925626 | Microtrencher blade | Michael C. Walgren | 2021-07-20 |
| 11059682 | Offloading vacuum tank | — | 2021-07-13 |
| 11015392 | Dual member pipe joint for a dual member drill string | Greg L. Slaughter, Jr. | 2021-05-25 |
| 10745068 | Endless track and guide member | Brant Douglas Kukuk | 2020-08-18 |
| 10704227 | Trenching assembly | — | 2020-07-07 |
| 10655302 | Valve assembly for work attachment | — | 2020-05-19 |
| 10582652 | Hydraulic control system | Brant Douglas Kukuk | 2020-03-10 |
| 10538949 | Vacuum system | — | 2020-01-21 |
| 10450708 | Trench filling machine | Cornelius Vanderford | 2019-10-22 |
| 10422107 | Trenching system with hydraulically adjustable hub | Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Steven P. Seabolt, Andrew A. Schuermann | 2019-09-24 |
| 10399017 | Drilling fluid reclaimer | Brant Douglas Kukuk | 2019-09-03 |
| RE47572 | Sprocket with double mud relief | Brant Douglas Kukuk | 2019-08-20 |
| 10337168 | Trenching assembly | — | 2019-07-02 |
| 10309080 | Trench filling machine | — | 2019-06-04 |
| 10221602 | Vacuum system | — | 2019-03-05 |
| 10207863 | Apparatus for sealing a vacuum tank door | David A. Bural | 2019-02-19 |
| 10161199 | Dual member pipe joint for a dual member drill string | Greg L. Slaughter, Jr. | 2018-12-25 |
| 10151080 | Valve assembly for work attachment | — | 2018-12-11 |