Hydraulically set open hole whipstock
US-10954732-B2 · Mar 23, 2021 · US
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Hern Christopher R patents
Hern Christopher R is listed as an inventor on 18 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hern Christopher R |
| Total patents | 18 |
| First publication | Mar 12, 2015 |
| Latest publication | Mar 23, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Lock ring segments biased into locked position while retained in position with an exterior profile
US-10760363-B2 · Sep 1, 2020 · US
Actuating force control for downhole tools
US-10738542-B2 · Aug 11, 2020 · US
Hydraulically set open hole whipstock
US-10526856-B2 · Jan 7, 2020 · US
Lock Ring Segments Biased into Locked Position while Retained in Position with an Exterior Profile
US-2019257164-A1 · Aug 22, 2019 · US
Actuating force control for downhole tools
US-2019119991-A1 · Apr 25, 2019 · US
Hydraulically Set Open Hole Whipstock
US-2018355690-A1 · Dec 13, 2018 · US
Watermelon mill with replaceable cutting structure
US-10081997-B2 · Sep 25, 2018 · US
Hydraulically Set Open Hole Whipstock
US-2018223614-A1 · Aug 9, 2018 · US
Slip with altering load distribution feature
US-9759027-B2 · Sep 12, 2017 · US
Recent patents
Latest publications not already listed above.
Slip with altering load distribution feature
US-9752418-B2 · Sep 5, 2017 · US
Subterranean tool for release of balls adjacent their intended destinations
US-9719321-B2 · Aug 1, 2017 · US
Watermelon Mill with Replaceable Cutting Structure
US-2017138139-A1 · May 18, 2017 · US
Top down liner cementing, rotation and release method
US-9611722-B2 · Apr 4, 2017 · US
Subterranean tool for release of darts adjacent their intended destinations
US-9453390-B2 · Sep 27, 2016 · US
Top Down Liner Cementing, Rotation and Release Method
US-2015176367-A1 · Jun 25, 2015 · US
Subterranean Tool for Release of Balls Adjacent Their Intended Destinations
US-2015068727-A1 · Mar 12, 2015 · US
Subterranean Tool for Release of Darts Adjacent Their Intended Destinations
US-2015068731-A1 · Mar 12, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Baker Hughes Inc | 11 |
| Baker Hughes A Ge Co Llc | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B23/01 | 7 |
| E21B23/04 | 4 |
| E21B34/06 | 4 |
| E21B7/061 | 4 |
| E21B34/142 | 4 |