Inventor
Donald Ray Sitton
Inventor
Humble, TX, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
10,415,365Methods and systems for drilling20199,879,490'Methods and systems for drilling'20189,822,595'Methods and systems for drilling'20179,683,418'Methods and systems for picking up a drill bit'20179,470,052'Methods and systems for drilling'20168,939,233'Methods and systems for drilling'20158,561,720'Methods and systems for drilling'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to SHELL OIL CO (6)· patent assignee history
2013–2019Based in Humble, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHELL OIL CO | 6 | 2013–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Humble, Texas, US | 7 | 2013–2019 |