Three-way flow sub for continuous circulation
US-9353587-B2 · May 31, 2016 · US
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Vieraitis David patents in 2016
Vieraitis David was listed as an assignee on 1 patent publication in 2016.
| Metric | Value |
|---|---|
| Company | Vieraitis David |
| Year | 2016 |
| Patents | 1 |
Patents
Representative publications for Vieraitis David in 2016.
Top CPC classifications
Most common classification codes for Vieraitis David in 2016.
| CPC | Patents |
|---|---|
| E21B21/019 | 1 |
| E21B21/08 | 1 |
| E21B21/10 | 1 |
| E21B34/12 | 1 |
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