Apparatus and method for driving a cavity in mining
US-10683750-B2 · Jun 16, 2020 · US
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Rennkamp Patrick Michael patents
Rennkamp Patrick Michael is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Rennkamp Patrick Michael |
| Total patents | 2 |
| First publication | Dec 6, 2018 |
| Latest publication | Jun 16, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Apparatus and method for driving a cavity in mining
US-2018347356-A1 · Dec 6, 2018 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Herrenknecht Ag | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B4/18 | 2 |
| E21C27/22 | 2 |
| E21B7/28 | 2 |
| E21B10/10 | 2 |
| E21D9/1006 | 2 |