How many patents does
Drilling Technology Research Institute Of Shenglipetroleum Engineering Co., Ltd,Sinopec have?
patents
380
families
299
granted
70
applications
310
CN
363
US
6
WO
3
RoW
8
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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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Drilling Technology Research Institute Of Shenglipetroleum Engineering Co., Ltd,Sinopec
Top ten assignees appearing on patents
2009 - 2018
2009
Drilling Technology Research Institute Of Shenglipetroleum Engineering Co., Ltd,Sinopec
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| comb polymer, method of preparing the same, and use thereof | 6 | 2013 |
| static push-type rotary directional device | 5 | 2014 |
| push-the-bit rotary steerable device and method for using same | 4 | 2014 |
| micro-emulsion completion fluid and application of the micro-emulsion completion fluid | 4 | 2013 |
| self-plugging releasing temperature resistant temporary plugging agent used for water-ba… 🛈 | 3 | 2013 |
| plugging material and drilling fluid additive and use method thereof | 3 | 2013 |
| three-dimensional pipeline leakage flux imaging detection method and system | 3 | 2014 |
| offshore multi-directional self-elevating petroleum drilling platform | 2 | 2011 |
| balanced pressure drilling pressure control device and method | 2 | 2014 |
| plasma drilling bit | 2 | 2013 |