How many patents does
Jiangxi Rare Earth And Rare Metals Tungsten Groupco. have?
patents
333
families
226
granted
68
applications
265
CN
291
EP
11
US
9
WO
8
KR
6
RoW
8
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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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Jiangxi Rare Earth And Rare Metals Tungsten Groupco.
Top ten assignees appearing on patents
2018
Jiangxi Rare Earth And Rare Metals Tungsten Groupco.
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for preparing ultrafine tungsten carbide powder | 13 | 2009 |
| ball milling method for preparation of hard alloy mixture | 11 | 2009 |
| process for preparing ammonium metatungstate | 10 | 2009 |
| method for measuring chromium content in a tungsten matrix which is added with chromium/… 🛈 | 8 | 2008 |
| method for measuring vanadium content in a tungsten matrix to which vanadium/chromium-va… 🛈 | 7 | 2008 |
| a method of extracting ni and/or co | 6 | 2008 |
| hard ore rock stripping technology and system of open-pit mine | 3 | 2012 |
| method for constructing vacuum induction melting furnace | 3 | 2012 |
| drum screen for scrap copper | 3 | 2012 |
| ore concentration technique for laterite nickel ore rich in nickel and/or cobalt | 3 | 2008 |