Method of making a downhole swellable seal with a passageway therethrough
US-9834404-B2 · Dec 5, 2017 · US
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Arline Darwin D patents
Arline Darwin D is listed as an inventor on 1 patent in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Arline Darwin D |
| Total patents | 1 |
| First publication | Dec 5, 2017 |
| Latest publication | Dec 5, 2017 |
Notable patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Castillo Robert O | 1 |
| Badke Gregory C | 1 |
| Baker Hughes A Ge Co Llc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y10T29/49826 | 1 |
| E21B33/1277 | 1 |
| B65H81/00 | 1 |
| E21B17/1035 | 1 |
| E21B33/1208 | 1 |