Wellbore retention system
US-2016040485-A1 · Feb 11, 2016 · US
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Van Clief Rockni patents in 2016
Van Clief Rockni was listed as an assignee on 2 patent publications in 2016.
| Metric | Value |
|---|---|
| Company | Van Clief Rockni |
| Year | 2016 |
| Patents | 2 |
Patents
Representative publications for Van Clief Rockni in 2016.
Wellbore Isolation System with Communication Lines
US-2016010420-A1 · Jan 14, 2016 · US
Top CPC classifications
Most common classification codes for Van Clief Rockni in 2016.
| CPC | Patents |
|---|---|
| E21B17/026 | 1 |
| E21B17/028 | 1 |
| E21B17/1078 | 1 |
| E21B23/08 | 1 |
| E21B33/12 | 1 |
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