Pivoting removal tool
US-10532452-B2 · Jan 14, 2020 · US
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Nicholson Christopher D patents
Nicholson Christopher D is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Nicholson Christopher D |
| Total patents | 10 |
| First publication | Jan 1, 2015 |
| Latest publication | Jan 14, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Apparatus and methods for manual override of hydraulic choke or valve actuators
US-10472924-B2 · Nov 12, 2019 · US
Hydraulic position indicator system
US-10221650-B2 · Mar 5, 2019 · US
Mechanical shaft coupling for fluid system connections
US-9890608-B2 · Feb 13, 2018 · US
Pivoting Removal Tool
US-2018029209-A1 · Feb 1, 2018 · US
Density based mechanical valve control system
US-9841120-B2 · Dec 12, 2017 · US
Apparatus and methods for manual override of hydraulic choke or valve actuators
US-2017191346-A1 · Jul 6, 2017 · US
Mechanical shaft coupling for fluid system connections
US-2015345251-A1 · Dec 3, 2015 · US
Hot swappable choke actuator system and/or method
US-2015240581-A1 · Aug 27, 2015 · US
Density based mechanical valve control system
US-2015000751-A1 · Jan 1, 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 |
|---|---|
| Mi Llc | 5 |
| Schlumberger Technology Corp | 4 |
| M-I L L C | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B34/02 | 6 |
| E21B34/025 | 6 |
| E21B21/08 | 4 |
| E21B21/106 | 3 |
| F15B2211/8752 | 2 |