Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718201 | System and method for installing casing in a blind horizontal well | Michael D. Lubrecht, James M. Doesburg, James W. Ditto | 2020-07-21 |
| 10465486 | Well screen with integrated filter or treatment media | Michael D. Lubrecht, James M. Doesburg | 2019-11-05 |
| 10036240 | Drillhead assembly with chambered sonde housing | Michael D. Lubrecht, James M. Doesburg | 2018-07-31 |
| 9915141 | System and method for installing casing in a blind horizontal well | Michael D. Lubrecht, James M. Doesburg, James W. Ditto | 2018-03-13 |
| 9777467 | System for improving fluid collection from a well and method of construction | James M. Doesburg, James W. Ditto, Michael D. Lubrecht | 2017-10-03 |
| 9376869 | System and method for installing casing in a blind horizontal well | Michael D. Lubrecht, James M. Doesburg, James W. Ditto | 2016-06-28 |