How many patents does
Hangzhou Advance Gearbox Group Company have?
patents
306
families
286
granted
21
applications
285
CN
306
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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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Hangzhou Advance Gearbox Group Company
Top ten assignees appearing on patents
2009 - 2018
| hangzhou advance gearbox group com… 🛈 | 296 |
2018
Hangzhou Advance Gearbox Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| heavy loading shaft push device for hole | 2 | 2011 |
| manufacturing method of iron-based friction plate | 2 | 2010 |
| limit locking nut and limit locking device | 2 | 2010 |
| method for manufacturing nano enhanced wet copper-based friction plate | 2 | 2010 |
| electrically-controlled inching valve | 2 | 2014 |
| tooth splicing machining method for machining herringbone gears | 2 | 2014 |
| swelling-pressure locking round nut of working shaft | 2 | 2011 |
| gearbox for heavy tower crane | 2 | 2015 |
| adjustable propeller hub for ship thruster | 2 | 2011 |
| support device for vertically installing planetary gear transmission floating mechanism … 🛈 | 2 | 2014 |