Brunskill; Douglas James
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brunskill; Douglas James.The latest application filed is for "fracturing valve and fracturing tool string".
- Brunskill; Douglas James - Calgary CA
| Patent | Date |
|---|---|
| Fracturing valve and fracturing tool string Grant 10,487,626 - Getzlaf , et al. Nov | 2019-11-26 |
| Fracturing Valve And Fracturing Tool String App 20180230776 - Getzlaf; Donald ; et al. | 2018-08-16 |
| Fracturing valve and fracturing tool string Grant 9,903,182 - Getzlaf , et al. February 27, 2 | 2018-02-27 |
| Fluidic impulse generator Grant 9,033,003 - Standen , et al. May 19, 2 | 2015-05-19 |
| Fracturing Valve And Fracturing Tool String App 20150083419 - Getzlaf; Donald ; et al. | 2015-03-26 |
| Fracturing Valve App 20150013982 - Getzlaf; Donald ; et al. | 2015-01-15 |
| Fluidic Impulse Generator App 20120312156 - Standen; Robert ; et al. | 2012-12-13 |
| Fluidic impulse generator Grant 8,272,404 - Brunskill , et al. September 25, 2 | 2012-09-25 |
| Fluidic Impulse Generator App 20110100468 - Brunskill; Douglas James ; et al. | 2011-05-05 |
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