Casing float tool
US-11697968-B2 · Jul 11, 2023 · US
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Devlin David patents
Devlin David is listed as an inventor on 13 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Devlin David |
| Total patents | 13 |
| First publication | Mar 14, 2017 |
| Latest publication | Jul 11, 2023 |
Notable patents
Publications ranked by popularity score, then publication date.
Casing float tool
US-2022178207-A1 · Jun 9, 2022 · US
Casing float tool
US-11180958-B2 · Nov 23, 2021 · US
Casing float tool
US-2021115735-A1 · Apr 22, 2021 · US
Casing float tool
US-10883314-B2 · Jan 5, 2021 · US
Casing float tool
US-10883315-B2 · Jan 5, 2021 · US
Casing float tool
US-2020332601-A1 · Oct 22, 2020 · US
Casing float tool
US-2020240214-A1 · Jul 30, 2020 · US
Casing float tool
US-2019360301-A1 · Nov 28, 2019 · US
Casing float tool
US-10465445-B2 · Nov 5, 2019 · US
Recent patents
Latest publications not already listed above.
Casing float tool
US-2018202260-A1 · Jul 19, 2018 · US
Casing float tool
US-2017138153-A1 · May 18, 2017 · US
Casing float tool
US-9593542-B2 · Mar 14, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Ncs Multistage Inc | 13 |
| Ncs Oilfield Services Canada Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B7/20 | 13 |
| E21B17/08 | 13 |
| E21B21/10 | 13 |
| E21B34/063 | 13 |
| E21B33/14 | 13 |