Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010427 | Smart Drop-off tool and hang-off tool for a logging string | Jonathan Macrae, Bulent Finci, James G. Aivalis, Peter M. Wells, Jr. | 2015-04-21 |
| 8844618 | Smart drop-off tool and hang-off tool for a logging string | Jonathan Macrae, Bulent Finci, James G. Aivalis, Peter M. Wells, Jr. | 2014-09-30 |
| 8607876 | Flapper valve | Jonathan Macrae, Bulent Finci, Jaime Pedraza, Mark Schiel | 2013-12-17 |
| 5044460 | Downhole seismic exploration device and apparatus | Masahiro Kamata, Shitomi Katayama, Francis Mons | 1991-09-03 |
| 4953136 | Downhole seismic exploration device and apparatus | Masahiro Kamata, Shitomi Katayama, Francis Mons | 1990-08-28 |