Reduced stroke gate valve
US-12181065-B2 · Dec 31, 2024 · US
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Bartlett Chris D patents
Bartlett Chris D is listed as an inventor on 13 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Bartlett Chris D |
| Total patents | 13 |
| First publication | Apr 29, 2021 |
| Latest publication | Dec 31, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Barrier arrangement in wellhead assembly
US-12084937-B2 · Sep 10, 2024 · US
Lock Ring Actuator for Tubing Hanger Installation
US-2024151116-A1 · May 9, 2024 · US
Barrier arrangement in wellhead assembly
US-2023392466-A1 · Dec 7, 2023 · US
Tubing hanger with shiftable annulus seal
US-11828127-B2 · Nov 28, 2023 · US
Barrier arrangement in wellhead assembly
US-11773678-B2 · Oct 3, 2023 · US
Barrier arrangement in wellhead assembly
US-11542778-B2 · Jan 3, 2023 · US
Barrier arrangement in wellhead assembly
US-2022389781-A1 · Dec 8, 2022 · US
Tubing hanger space-out mechanism
US-11459843-B2 · Oct 4, 2022 · US
Tubing hanger with shiftable annulus seal
US-2022018203-A1 · Jan 20, 2022 · US
Recent patents
Latest publications not already listed above.
Barrier arrangement in wellhead assembly
US-2022018214-A1 · Jan 20, 2022 · US
Tubing Hanger Space-Out Mechanism
US-2021180425-A1 · Jun 17, 2021 · US
Reduced stroke gate valve
US-2021123532-A1 · Apr 29, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Dril Quip Inc | 13 |
| Innovex Int Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B33/043 | 9 |
| E21B34/04 | 8 |
| E21B33/038 | 6 |
| E21B33/035 | 6 |
| E21B33/0355 | 4 |