Electronic valve with deformable seat and method
US-10995585-B2 · May 4, 2021 · US
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Shaffer Raymond patents
Shaffer Raymond is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Shaffer Raymond |
| Total patents | 8 |
| First publication | Jun 4, 2015 |
| Latest publication | May 4, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Device and method for controlled release of a restriction element inside a well
US-2021123312-A1 · Apr 29, 2021 · US
Electronic valve with deformable seat and method
US-2020165900-A1 · May 28, 2020 · US
Debris preventing downhole air lock device and method
US-10584557-B2 · Mar 10, 2020 · US
Debris preventing downhole air lock device and method
US-2020048987-A1 · Feb 13, 2020 · US
Burst sleeve and positive indication for fracture sleeve opening
US-9885224-B2 · Feb 6, 2018 · US
Sliding sleeve having contracting, segmented ball seat
US-9593553-B2 · Mar 14, 2017 · US
Burst sleeve and positive indication for fracture sleeve opening
US-2015152709-A1 · Jun 4, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Geodynamics Inc | 5 |
| Weatherford Tech Holdings Llc | 2 |
| Weatherford Lamb | 1 |
| Weatherford Lamb Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B34/142 | 5 |
| E21B34/14 | 5 |
| E21B43/26 | 5 |
| E21B34/063 | 4 |
| E21B34/10 | 4 |