Degradable casing seal construction for downhole applications
US-2016145964-A1 · May 26, 2016 · US
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Doane James patents in 2016
Doane James was listed as an assignee on 3 patent publications in 2016.
| Metric | Value |
|---|---|
| Company | Doane James |
| Year | 2016 |
| Patents | 3 |
Patents
Representative publications for Doane James in 2016.
Top CPC classifications
Most common classification codes for Doane James in 2016.
| CPC | Patents |
|---|---|
| E21B2200/08 | 3 |
| E21B33/1208 | 2 |
| E21B33/128 | 2 |
| E21B43/26 | 2 |
| C09K8/5086 | 1 |
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