How many patents does
Zhengzhou Research Institute Of Mechanical Engineering have?
patents
513
families
423
granted
88
applications
425
CN
510
WO
1
US
1
JP
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
Zhengzhou Research Institute Of Mechanical Engineering
Top ten assignees appearing on patents
2009 - 2018
| ge jing | 11 |
| sgcc(state grid corporation of chi… 🛈 | 1 |
| henan epri high-tech group company | 1 |
2009
2018
Zhengzhou Research Institute Of Mechanical Engineering
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| automobile and single wheelset/double wheelset trackless train, and tracking steering co… 🛈 | 5 | 2015 |
| heat-resisting and wear-resisting flux-cored wire | 2 | 2016 |
| testing method of joint filling property of brazing filler metal | 2 | 2015 |
| high-strength, high-elasticity modulus and low-stress gray cast iron and manufacturing m… 🛈 | 2 | 2015 |
| high-efficiency coating brazing filler metal with strong adhesive force | 2 | 2015 |
| flux-cored silver brazing filler metal with toughening alloy | 2 | 2015 |
| reed-type environment-friendly coated silver brazing filler metal ring | 2 | 2015 |
| flux-cored silver solder and preparation method thereof | 2 | 2015 |
| environment-friendly coated copper brazing filler metal | 2 | 2015 |
| carborized quenched gear ring self-rounding heat treatment method | 2 | 2012 |