Check Valve with Valve Member Biased by Connectors Extending from a Valve Seat for Operation of a Subterranean Tool
US-2017101850-A1 · Apr 13, 2017 · US
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Porter Andre' J patents
Porter Andre' J is listed as an inventor on 1 patent in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Porter Andre' J |
| Total patents | 1 |
| First publication | Apr 13, 2017 |
| Latest publication | Apr 13, 2017 |
Notable patents
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Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Baker Hughes Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B34/10 | 1 |
| E21B43/116 | 1 |
| F16K15/021 | 1 |
| E21B33/134 | 1 |
| F16K15/145 | 1 |