Wellbore fluid communication tool
US-11352853-B2 · Jun 7, 2022 · US
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Kohn Gary patents
Kohn Gary is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kohn Gary |
| Total patents | 4 |
| First publication | Jun 9, 2016 |
| Latest publication | Jun 7, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Wellbore fluid communication tool
US-2021189835-A1 · Jun 24, 2021 · US
Reverse circulation cementing system for cementing a liner
US-9869157-B2 · Jan 16, 2018 · US
Reverse circulation cementing system for cementing a liner
US-2016160603-A1 · Jun 9, 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 |
|---|---|
| Halliburton Energy Services Inc | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B34/142 | 4 |
| E21B2200/06 | 4 |
| E21B33/14 | 4 |
| E21B33/13 | 4 |
| E21B34/14 | 3 |