Egerstrom; Fredrik
Patent Applications and Registrations
Patent applications and USPTO patent grants for Egerstrom; Fredrik.The latest application filed is for "apparatus for drilling and lining a borehole".
- Egerstrom; Fredrik - Nacka SE
| Patent | Date |
|---|---|
| Apparatus for drilling and lining a borehole Grant 10,030,449 - Egerstrom July 24, 2 | 2018-07-24 |
| Apparatus For Drilling And Lining A Borehole App 20150330151 - EGERSTROM; Fredrik | 2015-11-19 |
| Method and device for directional down-hole drilling Grant 7,159,674 - Egerstrom January 9, 2 | 2007-01-09 |
| Liquid driven downhole drilling machine Grant 7,040,421 - Egerstrom May 9, 2 | 2006-05-09 |
| Hydraulic drill string Grant 6,994,175 - Egerstrom February 7, 2 | 2006-02-07 |
| Method and device for directional down-hole drilling App 20050252687 - Egerstrom, Fredrik | 2005-11-17 |
| Liquid driven downhole drilling machine App 20050011680 - Egerstrom, Fredrik | 2005-01-20 |
| Hydraulic drill string App 20040188146 - Egerstrom, Fredrik | 2004-09-30 |
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