How many patents does
Harbin East Alarm Equipment Development Company have?
patents
210
families
192
granted
9
applications
201
CN
199
US
4
WO
2
RoW
5
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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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Harbin East Alarm Equipment Development Company
Top ten assignees appearing on patents
2009
2018
Harbin East Alarm Equipment Development Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| industrial field real-time working condition radio alarm system | 7 | 2011 |
| integrated gas detector integrating audible and visual alarms | 6 | 2011 |
| portable gas detector | 2 | 2012 |
| gas detector with talkback function | 2 | 2015 |
| wireless portable gas detection alarm control method | 2 | 2012 |
| multidirectional audible and visual alarm control method | 2 | 2012 |
| gas detector for two-wire system displaying through digital tube | 2 | 2012 |
| wireless gas detector with double-screen display function, and detection method thereof | 2 | 2015 |
| acousto-optic explosion-proof alarm device | 2 | 2011 |
| sensor calibration device | 1 | 2015 |