Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7318471 | System and method for monitoring and removing blockage in a downhole oil and gas recovery operation | Paul F. Rodney, Wei Han, James R. Birchak, Denis P. Schmitt, Tim W. Geerits +1 more | 2008-01-15 |
| 7216738 | Acoustic stimulation method with axial driver actuating moment arms on tines | James R. Birchak, Thomas Ritter, Ali Mese, Diederik van Batenburg, William Trainor +7 more | 2007-05-15 |
| 7213650 | System and method for scale removal in oil and gas recovery operations | Lyle Lehman, James R. Birchak, James S. Venditto, Diederik van Batenburg, Sau-Wai Wong +1 more | 2007-05-08 |
| 7213681 | Acoustic stimulation tool with axial driver actuating moment arms on tines | James R. Birchak, Thomas Ritter, Ali Mese, Diederik van Batenburg, William Trainor +7 more | 2007-05-08 |