How many patents does
China Nerin Engineering Company have?
patents
518
families
423
granted
80
applications
438
CN
506
US
4
EP
3
WO
2
RoW
3
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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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China Nerin Engineering Company
Top ten assignees appearing on patents
2009 - 2018
2018
China Nerin Engineering Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| apparatus for stripping metal sheets from cathode blank | 12 | 2009 |
| grounding friction reducer | 5 | 2008 |
| swirling smelting furnace | 3 | 2014 |
| rotary kiln and technique for processing composition brass or block shaped raw copper | 3 | 2008 |
| swirling column nozzle, swirling column smelting equipment using the same, and swirling … 🛈 | 3 | 2008 |
| lead-zinc integrated smelting furnace and method thereof for recovering lead and zinc | 3 | 2010 |
| device and method for smelting antimony | 3 | 2013 |
| auxiliary system for aluminum alloy casting producing | 2 | 2010 |
| exhaust-heat boiler | 2 | 2014 |
| method for substituting pre-embedded waterproof casing pipe in concrete structure | 2 | 2009 |