Inventor
Allen D. White
Inventor
Houston, TX, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
9,856,701'Rolling cone drill bit having high density cutting elements'20189,074,431'Rolling cone drill bit having high density cutting elements'20157,798,255'Drill bits having optimized cutting element counts for reduced tracking and/or increased drilling performance'20107,686,104'Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2018Patents assigned to SMITH INTERNATIONAL (4)· patent assignee history
2010–2018Based in Houston, TX, US· patent location history
2015Patents assigned to CLUNAN JOHN (1)· patent assignee history
2015Patents assigned to FERRARI GIAMPAOLO (1)· patent assignee history
2015Patents assigned to GATELL JOSH (1)· patent assignee history
2015Patents assigned to PORTWOOD GARY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMITH INTERNATIONAL | 4 | 2010–2018 |
| CLUNAN JOHN | 1 | 2015 |
| FERRARI GIAMPAOLO | 1 | 2015 |
| GATELL JOSH | 1 | 2015 |
| PORTWOOD GARY | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 4 | 2010–2018 |