How many patents does
Yantai Longyuan Power Technology Company have?
patents
405
families
292
granted
77
applications
328
CN
357
WO
13
US
10
EP
5
KR
4
RoW
16
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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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Yantai Longyuan Power Technology Company
Top ten assignees appearing on patents
2009 - 2018
2018
Yantai Longyuan Power Technology Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| a method of reducing nitrogen oxides of a pulverized coal boiler using inner combustion … 🛈 | 10 | 2008 |
| a burner ignited by plasma | 9 | 2007 |
| coal dust concentration device and coal dust burner with same | 7 | 2009 |
| anode of arc plasma generator and arc plasma generator | 7 | 2009 |
| pulverized coal burner and pulverized coal boiler having it | 7 | 2010 |
| pulverized coal fired boiler with wall-attachment secondary air and grid overfire air | 7 | 2012 |
| plasma igniter with assembled cathode | 3 | 2001 |
| plasma ignition combustor | 3 | 2007 |
| gasification oil burner | 3 | 2010 |
| pulverized coal burner and boiler with the same | 3 | 2009 |