How many patents does
Zhengzhou Diamond Precision Manufacturing Company have?
patents
260
families
251
granted
10
applications
250
CN
260
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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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Zhengzhou Diamond Precision Manufacturing Company
Top ten assignees appearing on patents
2009 - 2018
| zhengzhou diamond precision manufa… 🛈 | 259 |
2018
Zhengzhou Diamond Precision Manufacturing Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| precise composite reamer | 2 | 2012 |
| cutter holder structure with adjustable flange | 2 | 2013 |
| cutting blade for machining valve seat conical surface | 2 | 2011 |
| boring blade for machining conduit hole | 2 | 2011 |
| fixture special for grinding and machining of hsk (hohl schaft kegel) shank series cutter | 2 | 2011 |
| honing head rounding device | 2 | 2010 |
| cutter for processing piston ring groove | 2 | 2011 |
| boring cutter with chip breaker groove for machining conduit hole | 2 | 2011 |
| gun reamer used for processing air intake conduit hole | 2 | 2011 |
| diamond forming reamer for machining bearing post hole of steering machine | 1 | 2011 |