How many patents does
Sinopec Engineering have?
patents
1,316
families
1,068
granted
244
applications
1,072
CN
1,312
WO
3
US
1
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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 Engineering
Top ten assignees appearing on patents
2009 - 2018
2009
Sinopec Engineering
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| petrochemical equipment corrosion treatment method, device and system | 4 | 2015 |
| apparatus used for strengthening gas-liquid mass transfer of bubbling bed hydrogenation … 🛈 | 3 | 2015 |
| isoalkane/olefin alkylation method and device | 3 | 2015 |
| light hydrocarbon cryogenic separation and recovery device and method | 2 | 2014 |
| catalytic cracking device and catalytic cracking method | 2 | 2014 |
| synthetic gas washing tower liquid level control system and control method thereof | 2 | 2015 |
| carbon 3 fraction selective hydrogenation reaction method | 2 | 2014 |
| polypropylene production method | 2 | 2014 |
| solid-liquid separating device | 2 | 2015 |
| method of combination of flue gas low-temperature waste heat utilization and salt-contai… 🛈 | 2 | 2014 |