Inventor · disambiguated record
Chi-Han Cheng
Also filed as: CHENG CHI · CHENG CHI-HAN
73 granted patents·2 pending applications·795 citations·filing 1994–2025
99Inventor score
Top patents by PatentIndex Score
75 records- 0199US11623235B2Water spray gunYUAN MEI CORP·Filed 2020·Granted Apr 11, 2023·11 cites·15 claims
- 0293USD604390SSprinkler handleYUAN MEI CORP·Filed 2008·Granted Nov 17, 2009·51 cites·1 claims
- 0392US7258286B1Water shutoff and discharge control device for sprinklersYUAN MEI CORP·Filed 2006·Granted Aug 21, 2007·29 cites·14 claims
- 0491US8500087B2Magnetic control valveCHENG CHI-HAN·Filed 2010·Granted Aug 6, 2013·11 cites·9 claims
- 0591US7284714B1Water shutoff and discharge control apparatus for sprinklersYUAN MEI CORP·Filed 2006·Granted Oct 23, 2007·25 cites·11 claims
- 0690USD792944SSprinkler gunYUAN MEI CORP·Filed 2016·Granted Jul 25, 2017·34 cites·1 claims
- 0789USD932597SFilter of water aeratorYUAN MEI CORP·Filed 2020·Granted Oct 5, 2021·14 cites·1 claims
- 0889US9038665B2Irrigation system oriented valve systemCHENG CHI-HAN·Filed 2013·Granted May 26, 2015·9 cites·11 claims
- 0987USD1077986SIrrigation controllerYUAN MEI CORP·Filed 2024·Granted Jun 3, 2025·8 cites·1 claims
- 1086USD792945SSprinkler gunYUAN MEI CORP·Filed 2016·Granted Jul 25, 2017·26 cites·1 claims
- 1185USD736350SSpray gunYUAN MEI CORP·Filed 2014·Granted Aug 11, 2015·30 cites·1 claims
- 1284USD891581SSprinkler gunYUAN MEI CORP·Filed 2019·Granted Jul 28, 2020·21 cites·1 claims
- 1383USD604389SSprinkler handleYUAN MEI CORP·Filed 2008·Granted Nov 17, 2009·28 cites·1 claims
- 1482USD585109SSprinkler handleYUAN MEI CORP·Filed 2008·Granted Jan 20, 2009·27 cites·1 claims
- 1581US8123151B2Sprinkling gun structureCHENG CHI HAN·Filed 2008·Granted Feb 28, 2012·12 cites·18 claims
- 1681USD615611SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 11, 2010·25 cites·1 claims
- 1781USD585958SSprinkler handleYUAN MEI CORP·Filed 2008·Granted Feb 3, 2009·26 cites·1 claims
- 1880USD851209SSprinkler gunYUAN MEI CORP·Filed 2017·Granted Jun 11, 2019·18 cites·1 claims
- 1980USD584380SSprinkler handleYUAN MEI CORP·Filed 2008·Granted Jan 6, 2009·25 cites·1 claims
- 2079USD799007SSprinkler gunYUAN MEI CORP·Filed 2016·Granted Oct 3, 2017·18 cites·1 claims
- 2178USD614729SWater spray gunCHENG CHI-HAN·Filed 2009·Granted Apr 27, 2010·22 cites·1 claims
- 2277US11919017B2Water spray gunYUAN MEI CORP·Filed 2023·Granted Mar 5, 2024·0 cites·3 claims
- 2376US11813628B2Water spray gun for control of outflow of water and adjustment of outflowYUAN MEI CORP·Filed 2022·Granted Nov 14, 2023·0 cites·6 claims
- 2476US8528841B2Spray switch for spray gunCHENG CHI-HAN·Filed 2010·Granted Sep 10, 2013·4 cites·5 claims
- 2576USD632764SWater pipe connector with quick-releaseCHENG CHI-HAN·Filed 2010·Granted Feb 15, 2011·22 cites·1 claims
- 2675US8087597B2Spray gun structureCHENG CHI HAN·Filed 2008·Granted Jan 3, 2012·8 cites·15 claims
- 2774USD874257SConnect nutYUAN MEI CORP·Filed 2018·Granted Feb 4, 2020·13 cites·1 claims
- 2874USD615615SWater spray gunCHENG CHI-HAN·Filed 2009·Granted May 11, 2010·19 cites·1 claims
- 2971US10464078B2Sprinkler structureYUAN MEI CORP·Filed 2018·Granted Nov 5, 2019·1 cites·18 claims
- 3071USD555228SSprinkler baseYUAN MEI CORP·Filed 2006·Granted Nov 13, 2007·17 cites·1 claims
- 3170US10232385B2Single or dual sided direction-controllable sprinklerYUAN MEI CORP·Filed 2017·Granted Mar 19, 2019·1 cites·7 claims
- 3267USD1000584SGrip part for watering nozzleYUAN MEI CORP·Filed 2022·Granted Oct 3, 2023·3 cites·1 claims
- 3367USD837664STimerYUAN MEI CORP·Filed 2017·Granted Jan 8, 2019·10 cites·1 claims
- 3466US11642684B2Water spray gun for control of outflow of water and adjustment of outflowYUAN MEI CORP·Filed 2020·Granted May 9, 2023·0 cites·6 claims
- 3566US10599121B2Irrigation controllerYUAN MEI CORP·Filed 2015·Granted Mar 24, 2020·1 cites·4 claims
- 3666USD875517SConnect nutYUAN MEI CORP·Filed 2018·Granted Feb 18, 2020·9 cites·1 claims
- 3766USD769742STimerYUAN MEI CORP·Filed 2016·Granted Oct 25, 2016·10 cites·1 claims
- 3866US9101098B2Water timerYUAN MEI CORP·Filed 2013·Granted Aug 11, 2015·2 cites·15 claims
- 3966USD585108SSprinkler handleYUAN MEI CORP·Filed 2008·Granted Jan 20, 2009·14 cites·1 claims
- 4065USD764951STimerCHENG CHI HAN·Filed 2015·Granted Aug 30, 2016·9 cites·1 claims
- 4164USD900279SSprinkler gunYUAN MEI CORP·Filed 2019·Granted Oct 27, 2020·8 cites·1 claims
- 4264US8662107B2Switch device for water conduit valveCHENG CHI-HAN·Filed 2010·Granted Mar 4, 2014·2 cites·11 claims
- 4363USD997300SWater spray gunYUAN MEI CORP·Filed 2022·Granted Aug 29, 2023·2 cites·1 claims
- 4463USD576253SSprinklerYUAN MEI CORP·Filed 2007·Granted Sep 2, 2008·12 cites·1 claims
- 4562USD615154SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 4, 2010·11 cites·1 claims
- 4660USD616063SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 18, 2010·10 cites·1 claims
- 4760USD615153SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 4, 2010·10 cites·1 claims
- 4860USD554736SSprinkler baseYUAN MEI CORP·Filed 2006·Granted Nov 6, 2007·11 cites·1 claims
- 4959USD829572STimerYUAN MEI CORP·Filed 2017·Granted Oct 2, 2018·7 cites·1 claims
- 5058US12083547B2SprinklerYUAN MEI CORP·Filed 2021·Granted Sep 10, 2024·0 cites·10 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →