How many patents does
Sinopec Engineering Incorporation have?
patents
920
families
721
granted
178
applications
742
CN
877
US
15
WO
5
KR
5
RoW
18
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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 Incorporation
Top ten assignees appearing on patents
2009 - 2018
Sinopec Engineering Incorporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| ethylene cracking furnace | 12 | 2011 |
| ethylene cracking furnace with multipass radiant furnace tubes | 11 | 2009 |
| a ethylene cracking furnace | 9 | 2008 |
| fluidized bed polymerization reactor and process for preparing polymer | 8 | 2010 |
| composite catalytic for producing polyethylene having wide molecular weight distribution | 5 | 2007 |
| cracking furnace with double-row arranged radiant section furnace tubes | 4 | 2008 |
| method for recovery of low-carbon olefin from product gas | 3 | 2005 |
| system and method for preparing butadiene by butylene oxidation and dehydrogenation | 2 | 2013 |
| system and method for preparing butadiene by butylene oxidation and dehydrogenation | 2 | 2013 |
| ethylene cracking furnace of double-section heat supply structure | 2 | 2013 |