Downhole roller
US-2021002967-A1 · Jan 7, 2021 · US
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Copold Derek patents
Copold Derek is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Copold Derek |
| Total patents | 8 |
| First publication | Mar 9, 2017 |
| Latest publication | Jan 7, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Downhole roller
US-10781647-B2 · Sep 22, 2020 · US
Modular electro-mechanical assembly for downhole device
US-10662712-B2 · May 26, 2020 · US
Modular Electro-Mechanical Assembly for Downhole Device
US-2019257154-A1 · Aug 22, 2019 · US
Placement of stabilizers, standoffs, and rollers on a downhole tool string
US-10125545-B2 · Nov 13, 2018 · US
Placement of Stabilizers, Standoffs, and Rollers on a Downhole Tool String
US-2017175490-A1 · Jun 22, 2017 · US
Shaped Standoff
US-2017114595-A1 · Apr 27, 2017 · US
Downhole Roller
US-2017067299-A1 · Mar 9, 2017 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Schlumberger Technology Corp | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B17/1057 | 3 |
| E21B49/088 | 2 |
| E21B49/08 | 2 |
| E21B4/18 | 2 |
| E21B49/00 | 2 |