How many patents does
Cnooc have?
patents
7,831
families
6,027
granted
1,820
applications
6,011
CN
7,764
US
31
WO
19
EP
1
RoW
16
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
Cnooc
Top ten assignees appearing on patents
2009 - 2018
Cnooc
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for optimizing well production in reservoirs having flow barriers | 9 | 2008 |
| preparation method of thioxanthone-modified polyethyleneimine photoinitiator | 8 | 2010 |
| unconditional stability equipped deep-draft floating production platform and offshore in… 🛈 | 7 | 2010 |
| pup joint for releasing sidewall contact of stratigraphic test device and apparatus | 7 | 2012 |
| submarine device | 6 | 2007 |
| method for simulated moving bed to adsorb and separate polycyclic aromatic hydrocarbons | 5 | 2015 |
| drilling type side-wall coring device | 5 | 2014 |
| conducting wire following protection structure of electric speed reducer | 5 | 2016 |
| high-temperature carbon dioxide corrosion inhibitor | 5 | 2013 |
| multielement thermal fluid oil production technology with adjustable components | 4 | 2013 |