Chemical injection valve with stem bypass flow
US-11255157-B2 · Feb 22, 2022 · US
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Racca Lance patents
Racca Lance is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Racca Lance |
| Total patents | 2 |
| First publication | May 24, 2018 |
| Latest publication | Feb 22, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Chemical injection valve with stem bypass flow
US-2018142532-A1 · May 24, 2018 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Weatherford Tech Holdings Llc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16K17/162 | 2 |
| E21B34/063 | 2 |
| F16K17/0466 | 2 |
| F16K17/403 | 2 |
| E21B34/10 | 2 |