Test dart system and method
US-10458198-B2 · Oct 29, 2019 · US
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Olvera Alfred patents
Olvera Alfred is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Olvera Alfred |
| Total patents | 4 |
| First publication | Apr 30, 2015 |
| Latest publication | Oct 29, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Test dart system and method
US-2019040709-A1 · Feb 7, 2019 · US
Stem head adapter with pistons
US-9291023-B2 · Mar 22, 2016 · US
Stem Head Adapter With Pistons
US-2015114661-A1 · Apr 30, 2015 · 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 |
|---|---|
| Ge Oil & Gas Pressure Control Lp | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B33/04 | 2 |
| E21B33/0415 | 2 |
| E21B33/167 | 2 |
| E21B47/117 | 2 |
| E21B34/105 | 2 |