Variable diameter stator and rotor for progressing cavity motor
US-9869126-B2 · Jan 16, 2018 · US
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Evans Nigel patents
Evans Nigel is listed as an inventor on 1 patent in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Evans Nigel |
| Total patents | 1 |
| First publication | Jan 16, 2018 |
| Latest publication | Jan 16, 2018 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nabors Drilling Tech Usa Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B3/00 | 1 |
| F04C2250/20 | 1 |
| B29L2031/34 | 1 |
| B29C45/14491 | 1 |
| F04C2/1071 | 1 |