How many patents does
Sinopec Shengli Oilfield Company have?
patents
2,563
families
2,224
granted
324
applications
2,239
CN
2,520
US
18
GB
9
WO
2
JP
1
RoW
13
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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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Sinopec Shengli Oilfield Company
Top ten assignees appearing on patents
2009 - 2018
Sinopec Shengli Oilfield Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| well logging device, well logging method and data processing apparatus | 21 | 2010 |
| rotating magnetic field downhole power generation device | 11 | 2011 |
| seawater-based solid phase-free environment-friendly drilling and completion fluid | 6 | 2010 |
| device for handling oil pipes and method for workover | 6 | 2015 |
| apparatus for tripping oil pipe and system for automatic well workover | 4 | 2014 |
| numerical simulation method for reflecting fluid channeling of fluid along great rifts o… 🛈 | 4 | 2010 |
| novel viscoelastic particle oil displacement agent and preparation method thereof | 4 | 2010 |
| crank non-beam pumping unit | 3 | 2010 |
| three-dimensional pipeline leakage flux imaging detection method and system | 3 | 2014 |
| bottom water plugging agent system and process for horizontal well | 3 | 2012 |