Methods and devices for casing and cementing well bores
US-10301905-B1 · May 28, 2019 · US
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Johnson Chad A patents
Johnson Chad A is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Johnson Chad A |
| Total patents | 8 |
| First publication | Jun 18, 2015 |
| Latest publication | May 28, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Aldehyde oxidation processes
US-9975840-B2 · May 22, 2018 · US
Methods and devices for casing and cementing well bores
US-9546536-B2 · Jan 17, 2017 · US
Method for making a high purity alcohol
US-9512054-B2 · Dec 6, 2016 · US
Aldehyde oxidation processes
US-2016326083-A1 · Nov 10, 2016 · US
Aldehyde oxidation processes
US-9428435-B2 · Aug 30, 2016 · US
Method for making a high purity alcohol
US-2016229776-A1 · Aug 11, 2016 · US
Aldehyde oxidation processes
US-2015166451-A1 · Jun 18, 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 |
|---|---|
| Eastman Chem Co | 6 |
| Thru Tubing Solutions Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C07C51/16 | 4 |
| C07C51/235 | 4 |
| C07C67/44 | 4 |
| C07C53/124 | 2 |
| E21B28/00 | 2 |