How many patents does
Weatherford Technology Holdings have?
patents
5,339
families
670
granted
1,332
applications
4,007
US
1,320
EP
820
WO
484
GB
385
CN
42
JP
3
RoW
2,285
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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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Weatherford Technology Holdings
Top ten assignees appearing on patents
2009 - 2018
Weatherford Technology Holdings
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| tubular handling apparatus | 51 | 2008 |
| downhole apparatus and method | 42 | 2012 |
| anchoring seal | 38 | 2011 |
| continuous flow drilling systems and methods | 38 | 2007 |
| apparatus for gripping a tubular on a drilling rig | 37 | 2005 |
| tools and methods for hanging and/or expanding liner strings | 35 | 2008 |
| calculating downhole cards in deviated wells | 35 | 2011 |
| apparatus and method for setting a downhole anchor and related telescopic joint | 31 | 2009 |
| top drive system | 29 | 2007 |
| method and apparatus for a wellbore assembly | 27 | 2009 |