How many patents does
China University Petroleum,Beijing have?
patents
136
families
88
granted
47
applications
89
CN
131
US
4
WO
1
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
China University Petroleum,Beijing
Top ten assignees appearing on patents
2009 - 2018
2009
2018
China University Petroleum,Beijing
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| filter tube for high-temperature gas-solid separation and filter with same | 5 | 2012 |
| pulse type underground pressurization jet flow drilling method and device | 4 | 2012 |
| method for preparing hydrogenation catalyst | 2 | 2011 |
| catalytic cracking furnace tube with catalytic cracking activity and manufacturing metho… 🛈 | 2 | 2010 |
| acidic visco-elastic fluid, its preparation method and application thereof | 2 | 2011 |
| fresh water-based micro bubble drilling fluid for drilling coal bed gas | 2 | 2010 |
| hydrocracking catalyst containing y-shaped molecular sieve/amorphous silicon-aluminum, a… 🛈 | 2 | 2010 |
| preparation method for nano-y-shaped molecular sieve/amorphous silicon-aluminum composit… 🛈 | 2 | 2010 |
| non-ionic compound hydrate anti-agglomerant | 2 | 2010 |
| full frequency band velocity prediction model related to pore structure | 2 | 2010 |