How many patents does
Cnooc Energy Technology Company have?
patents
327
families
248
granted
79
applications
248
CN
327
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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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Cnooc Energy Technology Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Cnooc Energy Technology Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| heavy oil dirt cleaning agent | 2 | 2012 |
| synthetic method of fluoro carbonic ester | 2 | 2012 |
| waterborne dispersion resin containing hydroxyl and preparation method thereof | 2 | 2012 |
| self-emulsifying water-borne epoxy resin emulsion and preparation method thereof | 2 | 2012 |
| high solid anticorrosive paint and preparation method thereof | 2 | 2012 |
| cation-nonionic mixed aqueous polyurethane emulsion and preparation method thereof | 2 | 2012 |
| emulsifying agent for emulsion polymerization and preparation method thereof | 2 | 2012 |
| method for hoisting underwater structural part of ocean platform | 2 | 2012 |
| preparation method of thickened oil cleaning agent | 2 | 2012 |
| real-time adjustable and controllable hanging type underground oil and water separating … 🛈 | 2 | 2012 |