CC

Chin-Nan Chen

EH Enterprise Holdings: 1 patents #53 of 159Top 35%
📍 Keelung, TW: #97 of 650 inventorsTop 15%
Overall (All Time): #687,326 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D1089918 Dust collecting hood 2025-08-19
9821329 Air-conductive rotary sprinkler 2017-11-21
9211560 Air-conductive rotary sprinkler and air-conductive rotary sprinkling device for the same 2015-12-15
8988559 Electronic device Chun-Hsiung CHAO 2015-03-24
8857737 Spraying device 2014-10-14
7334913 Display ornament 2008-02-26
5616074 Apparatus for counting coins 1997-04-01