How many patents does
China University Of Petroleum have?
patents
316
families
233
granted
82
applications
234
CN
310
WO
5
US
1
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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
Top ten assignees appearing on patents
2009 - 2018
2009
2018
China University Of Petroleum
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| composite sulfide solid lubricating film and method thereof | 3 | 2011 |
| gas chemical solvent absorption and desorption reaction heat measuring device and measur… 🛈 | 3 | 2013 |
| method for measuring speed of sound waves in sea water | 3 | 2017 |
| a method of periodically measuring the time thickness of a sedimentary strata using a re… 🛈 | 3 | 2016 |
| method for precisely inverting young modulus and poisson's ratio | 3 | 2016 |
| modal parameter recognizing method based on multi-input multi-output signal noise reduct… 🛈 | 2 | 2013 |
| bottom-drawing-in-type underground multistage oil-water separating device | 2 | 2013 |
| two-stage convergent solar energy concentrator system with decompressing and thermal str… 🛈 | 2 | 2013 |
| bio-enzyme corrosion inhibitor for circulating water system and application method there… 🛈 | 2 | 2013 |
| nanometer emulsion type water control fracturing fluid for tight gas reservation well an… 🛈 | 2 | 2013 |