Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111752 | Water and gas barrier for hydraulic systems | Volker Peters, Christian Preiser, Nils Schneider, Ingo Roders, Natalja Wendt +2 more | 2021-09-07 |
| 10302223 | Anti-chattering valve cone and methods for using same | Donald J. Cannella, Jr., Mario Simanowski | 2019-05-28 |
| 9745808 | Downhole clamping mechanism | Andreas Peter, Matthias Moeller, Christian Weiner, Ulrich Michael, William Befeld | 2017-08-29 |
| 9644472 | Remote pressure readout while deploying and undeploying coiled tubing and other well tools | Jan C. Bertke, Andreas Peter | 2017-05-09 |
| 9580985 | Method of cutting a control line outside of a tubular | Keat Hoong Wong | 2017-02-28 |
| 9410389 | Self-cleaning fluid jet for downhole cutting operations | Otto N. Fanini | 2016-08-09 |
| 9057228 | Wellbore tools with non-hydrocarbon-based greases and methods of making such wellbore tools | Jan C. Bertke | 2015-06-16 |
| 9022146 | Reverse circulation apparatus and methods of using same | Sven Krueger, Volker Krueger, Jens-Uwe Bruns, Joerg Breitenfeld | 2015-05-05 |
| 9010446 | Downhole clamping mechanism | Andreas Peter, Matthias Moeller, Christian Weiner, Ulrich Michael, William Befeld | 2015-04-21 |
| 8973651 | Modular anchoring sub for use with a cutting tool | Sven Krueger, William Befeld | 2015-03-10 |
| 8261828 | Optimized machining process for cutting tubulars downhole | Sven Krueger | 2012-09-11 |
| 8113271 | Cutting tool for cutting a downhole tubular | Christian Weiner, Matthias Moeller | 2012-02-14 |
| 7987901 | Electrical control for a downhole system | Sven Krueger, Otto N. Fanini, Matthias Moeller | 2011-08-02 |
| 7802949 | Tubular cutting device | Sven Krueger | 2010-09-28 |
| 7628205 | Optimized machining process for cutting tubulars downhole | Sven Krueger | 2009-12-08 |
| 7575056 | Tubular cutting device | Sven Krueger, Matthias Moeller | 2009-08-18 |
| 7478982 | Tubular cutting device | Sven Krueger | 2009-01-20 |