Assignee
WEIGEN CHEN
CN·6 granted patents·2 pending applications·29 citations·filing 2007–2012
Top patents by PatentIndex Score
8 records- 0187US8686344B2Processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry batteryWEIGEN CHEN·Filed 2012·Granted Apr 1, 2014·8 cites·22 claims
- 0280US8274036B2Processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry batteryWEIGEN CHEN·Filed 2011·Granted Sep 25, 2012·5 cites·9 claims
- 0376US8549677B2Automatic water flushing control device and its faucetWEIGEN CHEN·Filed 2010·Granted Oct 8, 2013·10 cites·20 claims
- 0469US8104741B2Water box toilet sensing flushing systemWEIGEN CHEN·Filed 2007·Granted Jan 31, 2012·3 cites·18 claims
- 0568US8094039B2Application solution of infrared communication in automatic sensing sanitary waresWEIGEN CHEN·Filed 2008·Granted Jan 10, 2012·2 cites·14 claims
- 0661US8789552B2Anti-siphon device for a flush valveWEIGEN CHEN·Filed 2007·Granted Jul 29, 2014·1 cites·20 claims
- 0753US2010170569A1Automatic sensing system in sanitary waresWEIGEN CHEN·Filed 2007·Application pending·0 cites
- 0846US2009311914A1Sensing faucetWEIGEN CHEN·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →