How many patents does
China Enfi Engineering Corporation have?
patents
2,077
families
1,636
granted
362
applications
1,715
CN
2,002
WO
37
US
10
EP
6
RoW
22
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
China Enfi Engineering Corporation
Top ten assignees appearing on patents
2009 - 2018
China Enfi Engineering Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| short-process copper smelting process | 8 | 2017 |
| fuming furnace with lead collecting and discharging function | 7 | 2014 |
| copper matte bottom-blowing refining process and copper matte bottom-blowing refining fu… 🛈 | 7 | 2012 |
| furnace for lead-slag reduction and process for lead-slag reduction | 7 | 2009 |
| method for processing laterite-nickel ore and method for recycling scandium | 6 | 2013 |
| nickel hydroxide product and preparation method thereof | 6 | 2013 |
| high-temperature material conveying tank | 6 | 2015 |
| novel wet process leaches material heat transfer system | 5 | 2015 |
| reduction-oxidation furnace for making phosphorus by thermal process | 5 | 2009 |
| method for preparing mineral wool | 4 | 2012 |