Cement composition for lost circulation application and method of cementing
US-10479923-B2 · Nov 19, 2019 · US
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Duffy Marcus patents
Duffy Marcus is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Duffy Marcus |
| Total patents | 3 |
| First publication | Jun 9, 2016 |
| Latest publication | Nov 19, 2019 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Halliburton Energy Services Inc | 3 |
| Haliburton Energy Services Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/467 | 3 |
| C04B28/04 | 3 |
| C09K8/42 | 2 |
| C04B2111/00008 | 2 |
| C04B28/02 | 2 |