Ferrari; Giampaolo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ferrari; Giampaolo.The latest application filed is for "rolling cone drill bit having high density cutting elements".
- Ferrari; Giampaolo - Santi Stefano di Magra IT
- Ferrari; Giampaolo - Santi Stefano di Nagra IT
- Ferrari; Giampaolo - Santo Stefano di Magra IT
| Patent | Date |
|---|---|
| Rolling cone drill bit having high density cutting elements Grant 9,856,701 - Portwood , et al. January 2, 2 | 2018-01-02 |
| Rolling Cone Drill Bit Having High Density Cutting Elements App 20150376951 - Portwood; Gary Ray ; et al. | 2015-12-31 |
| Rolling cone drill bit having high density cutting elements Grant 9,074,431 - Portwood , et al. July 7, 2 | 2015-07-07 |
| Rolling cone drill bit having sharp cutting elements in a zone of interest Grant 8,316,968 - Ferrari , et al. November 27, 2 | 2012-11-27 |
| Rolling Cone Drill Bit Having Sharp Cutting Elements In A Zone Of Interest App 20100276207 - Ferrari; Giampaolo ; et al. | 2010-11-04 |
| Rolling Cone Drill Bit Having High Density Cutting Elements App 20090188724 - Portwood; Gary ; et al. | 2009-07-30 |
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