How many patents does
Nov Downhole Eurasia have?
patents
242
families
38
granted
47
applications
195
GB
73
US
51
WO
34
EP
14
CN
4
RoW
66
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Nov Downhole Eurasia
Top ten assignees appearing on patents
2009 - 2018
| nov downhole eurasia | 210 |
| andergauge | 30 |
| national oilwell varco | 3 |
| nov dowhole eurasia | 1 |
| ehndergejdzh | 1 |
2009
| andergauge | 3 |
2018
| nov downhole eurasia | 35 |
Nov Downhole Eurasia
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| under-reamer | 16 | 2009 |
| downhole tool actuator | 13 | 2011 |
| downhole tool with rotational drive coupling and associated methods | 11 | 2012 |
| drilling method | 10 | 2008 |
| lockable reamer | 10 | 2010 |
| large gauge concentric underreamer | 10 | 2010 |
| downhole tool actuation | 10 | 2012 |
| treatment of hydrocarbon containing materials | 9 | 2012 |
| downhole under-reamer and associated methods | 9 | 2014 |
| rotary downhole tool | 8 | 2015 |