How many patents does
China University Of Petroleum, Beijing have?
patents
4,094
families
2,877
granted
1,118
applications
2,976
CN
3,869
US
104
WO
46
EP
31
GB
4
RoW
40
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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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China University Of Petroleum, Beijing
Top ten assignees appearing on patents
2009 - 2018
China University Of Petroleum, Beijing
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for revamping an hf or sulphuric acid alkylation unit and method for the procduct… 🛈 | 18 | 2009 |
| method for revamping an hf or sulphuric acid alkylation unit | 13 | 2009 |
| alkylation method using ionic liquid as catalyst | 12 | 2009 |
| method for revamping an hf or sulphuric acid alkylation unit | 11 | 2009 |
| combined process for processing heavy oil | 10 | 2011 |
| desulfurization adsorption agent used for gasoline and gasoline desulfurization method | 10 | 2015 |
| iron-based hydrogenation catalyst and applications thereof | 9 | 2013 |
| solids content control in ionic liquid alkylation process | 9 | 2012 |
| process for catalytic cracking a pyrolysis oil | 8 | 2012 |
| process for deeply desulfurizing catalytic cracking gasoline | 7 | 2013 |