Force modulation system for a drill bit
US-11499377-B2 · Nov 15, 2022 · US
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Belling Huamel Inc CNPC patents in 2022
Belling Huamel Inc CNPC was listed as an assignee on 1 patent publication in 2022.
| Metric | Value |
|---|---|
| Company | Belling Huamel Inc CNPC |
| Year | 2022 |
| Patents | 1 |
Patents
Representative publications for Belling Huamel Inc CNPC in 2022.
Top CPC classifications
Most common classification codes for Belling Huamel Inc CNPC in 2022.
| CPC | Patents |
|---|---|
| E21B10/42 | 1 |
| E21B10/573 | 1 |
| E21B10/62 | 1 |
| E21B12/00 | 1 |
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