Apparatus and method for preparing a downhole tool component
US-2022397015-A1 · Dec 15, 2022 · US
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Cnpc Usa Corp patents in 2022
Cnpc Usa Corp was listed as an assignee on 22 patent publications in 2022.
| Metric | Value |
|---|---|
| Company | Cnpc Usa Corp |
| Year | 2022 |
| Patents | 22 |
Patents
Representative publications for Cnpc Usa Corp in 2022.
Retrievable packer with push rod release
US-11512555-B2 · Nov 29, 2022 · US
Degradable polymer composition and methods of manufacturing and using in downhole tools
US-2022363802-A1 · Nov 17, 2022 · US
Force modulation system for a drill bit
US-11499377-B2 · Nov 15, 2022 · US
Composition and method for improving the production of petroleum hydrocarbons
US-11499091-B2 · Nov 15, 2022 · US
Top CPC classifications
Most common classification codes for Cnpc Usa Corp in 2022.
| CPC | Patents |
|---|---|
| E21B33/1208 | 6 |
| E21B43/26 | 6 |
| E21B10/62 | 5 |
| C09K8/665 | 4 |
| E21B10/42 | 4 |
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