How many patents does
Qingdao Yongtong Elevator Engineering Company have?
patents
201
families
201
granted
0
applications
201
CN
201
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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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Qingdao Yongtong Elevator Engineering Company
Top ten assignees appearing on patents
Qingdao Yongtong Elevator Engineering Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| video playing method | 1 | 2013 |
| physiological feature detection wristband for child | 1 | 2014 |
| magnesium-aluminum refractory material | 1 | 2014 |
| preparation technological process of refractory material | 1 | 2014 |
| preparation technique of magnesia alumina spinel | 1 | 2014 |
| iron plane | 1 | 2014 |
| low-temperature brazing filler metal for al-si-mg system aluminum alloy brazing | 1 | 2014 |
| argon arc welding technological process of intercooler assembly | 1 | 2014 |
| abdominal fitness instrument | 1 | 2014 |
| physical sunscreen cream | 1 | 2014 |