Element
US-2019316438-A1 · Oct 17, 2019 · US
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Pratt Barbara patents in 2019
Pratt Barbara was listed as an assignee on 2 patent publications in 2019.
| Metric | Value |
|---|---|
| Company | Pratt Barbara |
| Year | 2019 |
| Patents | 2 |
Patents
Representative publications for Pratt Barbara in 2019.
Single-cone bidirectional slip system
US-2019078415-A1 · Mar 14, 2019 · US
Top CPC classifications
Most common classification codes for Pratt Barbara in 2019.
| CPC | Patents |
|---|---|
| E21B33/0422 | 1 |
| E21B33/12 | 1 |
| E21B33/1208 | 1 |
| E21B33/1265 | 1 |
| E21B33/128 | 1 |
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