West; Gregory Donald
Patent Applications and Registrations
Patent applications and USPTO patent grants for West; Gregory Donald.The latest application filed is for "coring apparatus".
- West; Gregory Donald - Wanaka NZ
- West; Gregory Donald - Timaru NZ
| Patent | Date |
|---|---|
| Coring apparatus Grant 11,136,845 - West , et al. October 5, 2 | 2021-10-05 |
| Coring Apparatus App 20190338609 - WEST; Gregory Donald ; et al. | 2019-11-07 |
| Seated hammer apparatus for core sampling Grant 9,803,441 - West October 31, 2 | 2017-10-31 |
| Seated Hammer Apparatus For Core Sampling App 20150300117 - WEST; Gregory Donald | 2015-10-22 |
| Extended Reach Drilling App 20140332278 - West; Gregory Donald ; et al. | 2014-11-13 |
| Control Mechanism App 20140151127 - West; Gregory Donald ; et al. | 2014-06-05 |
| Magnetic hammer Grant 8,561,723 - Powell , et al. October 22, 2 | 2013-10-22 |
| Hybrid Drill Bit App 20130186693 - West; Gregory Donald ; et al. | 2013-07-25 |
| Magnetic Hammer App 20100212967 - Powell; Peter Evan ; et al. | 2010-08-26 |
| Drill String Suspension App 20100139912 - Pfahlert; Roger ; et al. | 2010-06-10 |
| Rotary Drive For Applying Rotary Torque To A Shaft To Be Axially Vibrated App 20100139984 - West; Gregory Donald ; et al. | 2010-06-10 |
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