Methods for injecting or retrieving tubewire when connecting two strings of coiled tubing
US-9644435-B2 · May 9, 2017 · US
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Naumann Andre patents
Naumann Andre is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Naumann Andre |
| Total patents | 2 |
| First publication | Nov 12, 2015 |
| Latest publication | May 9, 2017 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Baker Hughes Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B19/08 | 2 |
| E21B17/20 | 2 |
| E21B17/206 | 2 |
| E21B19/22 | 2 |
| E21B19/02 | 2 |