Inventor · disambiguated record
Jui-Chang Wu
Also filed as: WU JUI-CHANG
10 granted patents·1 pending application·127 citations·filing 2002–2020
89Inventor score
Top patents by PatentIndex Score
11 records- 0191US7854396B2Sprayer for a gardening purposeSK & Y AGRICULTURAL EQUIPMENTS CO LTD·Filed 2009·Granted Dec 21, 2010·33 cites·20 claims
- 0290US10830361B1Spreading control switch structure of a spreaderSK & Y AGRICULTURAL EQUIPMENTS CO LTD·Filed 2019·Granted Nov 10, 2020·6 cites·10 claims
- 0387US7913932B2Sprinkler having a multifunctional protective hoodSK & Y AGRICULTURAL EQUIPMENTS CO LTD·Filed 2009·Granted Mar 29, 2011·21 cites·15 claims
- 0485US8640979B2Sprayer having water-tight functionWU JUI-CHANG·Filed 2011·Granted Feb 4, 2014·12 cites·9 claims
- 0577USD616959SSprayerSK & Y AGRICULTURAL EQUIPMENTS·Filed 2009·Granted Jun 1, 2010·24 cites·1 claims
- 0671US6752331B2Air-pressure sprayer structureSK & Y AGRICULTURAL EQUIPMENTS·Filed 2002·Granted Jun 22, 2004·22 cites·4 claims
- 0769US10487915B2Bicycle chainWU JUI CHANG·Filed 2017·Granted Nov 26, 2019·3 cites·6 claims
- 0856US10362723B2Hand-operated spreaderSK & Y AGRICULTURAL EQUIPMENTS CO LTD·Filed 2018·Granted Jul 30, 2019·1 cites·4 claims
- 0944USD639390SSpray gunSK & Y AGRICULTURAL EQUIPMENTS CO LTD·Filed 2010·Granted Jun 7, 2011·5 cites·1 claims
- 1040US2012128517A1Compressor pump for a sprayerWU JUI-CHANG·Filed 2010·Application pending·0 cites
- 1139USD936789SSpreaderSK & Y AGRICULTURAL EQUIPMENTS CO LTD·Filed 2020·Granted Nov 23, 2021·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →