Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement
US-9587441-B2 · Mar 7, 2017 · US
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Downs Darcy A patents
Downs Darcy A is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Downs Darcy A |
| Total patents | 2 |
| First publication | Oct 15, 2015 |
| Latest publication | Mar 7, 2017 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Evolution Engineering Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B47/125 | 2 |
| E21B17/05 | 2 |
| F16L15/08 | 2 |
| F16B17/004 | 2 |
| E21B17/042 | 2 |