Weigen; Chen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Weigen; Chen.The latest application filed is for "processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry battery".

Company Profile

0.10.9

Weigen; Chen - Shanghai N/A CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Anti-siphon device for a flush valve Grant 8,789,552 - Weigen July 29, 2	2014-07-29
Processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry battery Grant 8,686,344 - Weigen April 1, 2	2014-04-01
Automatic water flushing control device and its faucet Grant 8,549,677 - Weigen , et al. October 8, 2	2013-10-08
Processing Method And Apparatus For Energy Saving Of An Active Infrared Induction Instrument Powered By A Dry Battery App 20130009061 - Weigen; Chen	2013-01-10
Processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry battery Grant 8,274,036 - Weigen September 25, 2	2012-09-25
Processing Method And Apparatus For Energy Saving Of An Active Infrared Induction Instrument Powered By A Dry Battery App 20120104257 - Weigen; Chen	2012-05-03
Water box toilet sensing flushing system Grant 8,104,741 - Weigen January 31, 2	2012-01-31
Automatic water flushing control device and its faucet App 20120012207 - Weigen; Chen ; et al.	2012-01-19
Application solution of infrared communication in automatic sensing sanitary wares Grant 8,094,039 - Weigen January 10, 2	2012-01-10
Processing method and apparatus for energy saving of an active infrared induction instrument powered by a dry battery Grant 8,049,155 - Weigen November 1, 2	2011-11-01
Automatic Sensing System In Sanitary Wares App 20100170569 - Weigen; Chen	2010-07-08
Anti-siphon Device For A Flush Valve App 20100043890 - Weigen; Chen	2010-02-25
Water Box Toilet Sensing Flushing System App 20100044601 - Weigen; Chen	2010-02-25
Sensing Faucet App 20090311914 - Weigen; Chen	2009-12-17
Processing Method And Apparatus For Energy Saving Of An Active Infrared Induction Instrument Powered By A Dry Battery App 20090309639 - Weigen; Chen	2009-12-17
Application Solution Of Infrared Communication In Automatic Sensing Sanitary Wares App 20090153345 - WEIGEN; Chen	2009-06-18

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