How many patents does
Petro-Oil And Lubricant Research Institute Of Thegeneral Logisitic Department Of Pla have?
patents
196
families
144
granted
55
applications
141
CN
196
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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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Petro-Oil And Lubricant Research Institute Of Thegeneral Logisitic Department Of Pla
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Petro-Oil And Lubricant Research Institute Of Thegeneral Logisitic Department Of Pla
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| device for recovering oil gas by using condensing adsorptive process and device for swit… 🛈 | 2 | 2010 |
| mid-infrared spectrum method for identifying engine fuel type and brand | 2 | 2011 |
| method for testing limit operating temperature and high-temperature wear-resisting prope… 🛈 | 2 | 2010 |
| method for quickly determining manganese content in gasoline | 2 | 2010 |
| near infrared spectrum quick test method of new oil quality of lubricating oil | 2 | 2010 |
| portable plastic flat handle drum | 2 | 2010 |
| method for testing impact resistance capability of oil slick of bearing lubricant under … 🛈 | 2 | 2010 |
| supported ni-based catalyst for dcpd (dicyclopentadiene) continuous hydrogenation and hy… 🛈 | 2 | 2014 |
| mid-infrared spectrum method for quickly identifying engine fuel type | 2 | 2011 |
| hydraulic station distribution method for mobile oil-delivery pipeline | 2 | 2013 |