Downhole communication
US-2015267530-A1 · Sep 24, 2015 · US
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Expro North Sea Ltd patents in 2015
Expro North Sea Ltd was listed as an assignee on 2 patent publications in 2015.
| Metric | Value |
|---|---|
| Company | Expro North Sea Ltd |
| Year | 2015 |
| Patents | 2 |
Patents
Representative publications for Expro North Sea Ltd in 2015.
Control of sub surface safety valves
US-9022102-B2 · May 5, 2015 · US
Top CPC classifications
Most common classification codes for Expro North Sea Ltd in 2015.
| CPC | Patents |
|---|---|
| E21B47/12 | 2 |
| E21B34/066 | 1 |
| E21B47/122 | 1 |
| E21B47/13 | 1 |
| G01V11/002 | 1 |
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