DWJ Inc.
4Patents
4Active
4Granted
41Portfolio score
Filing activity: Aug 20, 2014 → Jul 18, 2016
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9404321B2 | Oilfield lift cap and combination tools | Fixed Constructions | 4 | Active |
| US9404341B2 | Release tool for a drill string inside blowout preventer | Fixed Constructions | 2 | Active |
| US9771766B2 | Release tool with adjustable release rod for a drill string inside blowout preventer | Fixed Constructions | 0 | Active |
| US10012040B2 | Methods of using oilfield lift caps and combination tools | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.