HH

Huadao Huang

UN Unknown: 13 patents #477 of 83,584Top 1%
WC Wenzhou Van-Sheen Electric Appliance Co.: 2 patents #1 of 4Top 25%
📍 Tongji, CN: #1 of 62 inventorsTop 2%
Overall (All Time): #79,845 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
9728951 Leakage protection socket with reverse connection protection 2017-08-08
9203232 Leakage detection protective circuit 2015-12-01
9088152 Leakage detection protection circuit 2015-07-21
9048559 Power outlet with jack safety shield device 2015-06-02
8858245 Leakage protection socket with integrated baffle locking mechanism Defu Huang 2014-10-14
8760849 Leakage detection protection circuit with lightning protection 2014-06-24
8736279 Electric leakage detection protective circuit with magnetic lock mechanism 2014-05-27
8550829 Power outlet with jack safety shield device 2013-10-08
8525372 Feather-touch dimming switch 2013-09-03
8472155 Leakage detection protective circuit 2013-06-25
8462471 Circuit interrupting device with high voltage surge protection Huayang Lu 2013-06-11
8382497 Power outlet with shield locking mechanism 2013-02-26
8300368 Circuit interrupting device with end-of life testing, reverse wiring and high voltage surge capability Huayang Lu 2012-10-30
8297990 Leakage protection outlet 2012-10-30
8299358 Outlet or switch panel 2012-10-30
8294028 Power supply socket panel 2012-10-23
8233251 Circuit interrupting device with interconnecting reset and test buttons Huayang Lu 2012-07-31
8154832 Leak detection and leak protection circuit 2012-04-10
8147260 Power outlet socket safety shield device 2012-04-03
7940498 Circuit interrupting device with high voltage surge protection 2011-05-10
7887346 Safety shutters for electrical receptacle 2011-02-15
7883346 Supply hub safety shield 2011-02-08
7859368 Circuit interrupting device with automatic components detection function Lu Huayang 2010-12-28
7833030 Safety shield for electrical receptacles 2010-11-16
7633726 Ground fault circuit interrupters with miswiring or reverse wiring protection and end of life alarm signal Huayang Lu 2009-12-15