Composite sandwich panels for oilfield valve
US-10337627-B2 · Jul 2, 2019 · US
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Stage Matthew patents
Stage Matthew is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Stage Matthew |
| Total patents | 3 |
| First publication | Aug 16, 2016 |
| Latest publication | Jul 2, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Composite sandwich panels for oilfield valve
US-2017211712-A1 · Jul 27, 2017 · US
Downhole tool having slip inserts composed of different materials
US-9416617-B2 · Aug 16, 2016 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Weatherford Tech Holdings Llc | 3 |
| Weatherford Lamb Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16K15/03 | 2 |
| B23P15/002 | 2 |
| E21B33/129 | 1 |
| E21B33/1291 | 1 |
| E21B19/10 | 1 |