Shahipassand; Siamak
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shahipassand; Siamak.The latest application filed is for "device to resist rotational forces while drilling a borehole".
- Shahipassand; Siamak - Stavanger NO
| Patent | Date |
|---|---|
| Harmonic gear drive Grant 11,168,521 - Shahipassand , et al. November 9, 2 | 2021-11-09 |
| Device to resist rotational forces while drilling a borehole Grant 10,883,321 - Shahipassand , et al. January 5, 2 | 2021-01-05 |
| Device to Resist Rotational Forces While Drilling a Borehole App 20190301251 - SHAHIPASSAND; Siamak ; et al. | 2019-10-03 |
| Device to resist rotational forces while drilling a borehole Grant 10,378,292 - Shahipassand , et al. A | 2019-08-13 |
| Harmonic Gear Drive App 20190234503 - SHAHIPASSAND; Siamak ; et al. | 2019-08-01 |
| Device to Resist Rotational Forces While Drilling a Borehole App 20170122043 - SHAHIPASSAND; Siamak ; et al. | 2017-05-04 |
| Harmonic Gear Drive App 20160305528 - SHAHIPASSAND; Siamak ; et al. | 2016-10-20 |
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