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Difeng Cen

NC Ningbo Bosheng Plumbing Co.: 5 patents #1 of 1Top 100%
Overall (All Time): #818,710 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11441301 Press-type overflow drainage device for water container 2022-09-13
9677705 Wall hanging fixing device and wall hanging bathroom articles 2017-06-13
8769735 Drainage device for kitchen and bath facilities 2014-07-08
8468619 Open/close device of a washing tank drain system 2013-06-25
8418720 Water diverting device 2013-04-16
8403297 Switch for kitchen and bath appliances 2013-03-26