Method and apparatus for generating steam for the recovery of hydrocarbon
US-9593563-B2 · Mar 14, 2017 · US
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Johnsen Sten Egil patents in 2017
Johnsen Sten Egil was listed as an assignee on 1 patent publication in 2017.
| Metric | Value |
|---|---|
| Company | Johnsen Sten Egil |
| Year | 2017 |
| Patents | 1 |
Patents
Representative publications for Johnsen Sten Egil in 2017.
Top CPC classifications
Most common classification codes for Johnsen Sten Egil in 2017.
| CPC | Patents |
|---|---|
| E21B43/24 | 1 |
| E21B43/2406 | 1 |
| F01K7/32 | 1 |
| F22B29/067 | 1 |
| F22B37/26 | 1 |
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