Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519751 | Apparatus and methods for regulating component temperature in a downhole tool | Nicolas Alejandro Wolk | 2019-12-31 |
| 10358908 | Tool and method for actively cooling downhole electronics | Nicolas Alejandro Wolk | 2019-07-23 |
| 9932817 | Tool and method for actively cooling downhole electronics | Nicolas Alejandro Wolk | 2018-04-03 |
| 8791407 | Gamma-gamma density measurement system for high-pressure, high-temperature measurements | Gordon L. Moake, Wesley Neil Ludwig | 2014-07-29 |
| 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 |
| 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 |
| 6935423 | Borehole retention device | — | 2005-08-30 |
| 5427354 | Valve assembly | Robert A. Frenzel | 1995-06-27 |
| 5388806 | Valve assembly having improved valve seat | Robert A. Frenzel | 1995-02-14 |
| 4953276 | Apparatus for inserting valve seats in valve bodies | Paul A. Yohner | 1990-09-04 |
| 4846212 | Bleed valve assembly for double block and bleed system | William B. Scobie | 1989-07-11 |
| 4846225 | Transmission assembly for use with double block and bleed system | William B. Scobie | 1989-07-11 |