Inductive shearing of drilling pipe
US-9316078-B2 · Apr 19, 2016 · US
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Wilgen John patents
Wilgen John is listed as an inventor on 1 patent in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wilgen John |
| Total patents | 1 |
| First publication | Apr 19, 2016 |
| Latest publication | Apr 19, 2016 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Transocean Sedco Forex Ventures Ltd | 1 |
| Transocean Innovation Labs Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B29/02 | 1 |
| E21B43/11 | 1 |
| E21B33/064 | 1 |
| E21B29/08 | 1 |
| B23D21/006 | 1 |