Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718201 | System and method for installing casing in a blind horizontal well | Michael D. Lubrecht, Daniel W. Ombalski, James W. Ditto | 2020-07-21 |
| 10465486 | Well screen with integrated filter or treatment media | Michael D. Lubrecht, Daniel W. Ombalski | 2019-11-05 |
| 10036240 | Drillhead assembly with chambered sonde housing | Michael D. Lubrecht, Daniel W. Ombalski | 2018-07-31 |
| 9915141 | System and method for installing casing in a blind horizontal well | Michael D. Lubrecht, Daniel W. Ombalski, James W. Ditto | 2018-03-13 |
| 9777467 | System for improving fluid collection from a well and method of construction | Daniel W. Ombalski, James W. Ditto, Michael D. Lubrecht | 2017-10-03 |
| 9376869 | System and method for installing casing in a blind horizontal well | Michael D. Lubrecht, Daniel W. Ombalski, James W. Ditto | 2016-06-28 |
| 6390192 | Integral well filter and screen and method for making and using same | Michael D. Lubrecht | 2002-05-21 |
| 4688999 | Well pump | Kenneth R. Ames | 1987-08-25 |
| 4669536 | Groundwater monitoring system | Kenneth R. Ames, Eugene A. Eschbach, Roy Kelley, David A. Myers | 1987-06-02 |