How many patents does
Sinopec Southwest Oil & Gas Company have?
patents
408
families
344
granted
41
applications
367
CN
383
WO
5
US
3
RoW
17
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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 Southwest Oil & Gas Company
Top ten assignees appearing on patents
2009
Sinopec Southwest Oil & Gas Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| sleeve fracturing assembly, device using the same and method for using the same | 11 | 2011 |
| tool for jet packing and fracturing and tubular column comprising same | 6 | 2016 |
| tool for opening sliding sleeve | 6 | 2016 |
| device for jet packing and fracturing and tubular column comprising same | 6 | 2016 |
| novel sliding sleeve | 6 | 2016 |
| sliding sleeve type fracturing module, device including the module and method of using t… 🛈 | 2 | 2011 |
| sliding sleeve opening device | 2 | 2016 |
| tool for jet packing and fracturing and tubular column including tool | 2 | 2016 |
| tool for multi-directional pressure control type jet packing and fracturing and tubular … 🛈 | 2 | 2016 |
| gas well sewage treatment apparatus | 2 | 2015 |