How many patents does
Nfc have?
patents
251
families
226
granted
26
applications
225
CN
251
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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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Nfc
Top ten assignees appearing on patents
2018
Nfc
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| unpowered spiral scraper device | 2 | 2011 |
| feeding cart of magnesium smelting operation unit | 2 | 2012 |
| movable type horizontal lathe grinding diaphragm chamber mechanism | 2 | 2011 |
| rotary sealing unloader | 2 | 2012 |
| integration method of field manufacturing and installing of cylindrical mixer | 2 | 2011 |
| crane for clamping carbon blocks | 2 | 2009 |
| crankshaft subassembling jig | 2 | 2013 |
| copying device for processing spherical surface in vertical boring and turning mill | 2 | 2009 |
| detachably combined supporting device for large tube processing | 2 | 2013 |
| auxiliary alignment method for cylinder processing | 2 | 2010 |