Assignee
CHENG CHI-HAN
20 granted patents·205 citations·filing 2008–2015
Top patents by PatentIndex Score
20 records- 0191US8500087B2Magnetic control valveCHENG CHI-HAN·Filed 2010·Granted Aug 6, 2013·11 cites·9 claims
- 0289US9038665B2Irrigation system oriented valve systemCHENG CHI-HAN·Filed 2013·Granted May 26, 2015·9 cites·11 claims
- 0381US8123151B2Sprinkling gun structureCHENG CHI HAN·Filed 2008·Granted Feb 28, 2012·12 cites·18 claims
- 0481USD615611SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 11, 2010·25 cites·1 claims
- 0578USD614729SWater spray gunCHENG CHI-HAN·Filed 2009·Granted Apr 27, 2010·22 cites·1 claims
- 0676US8528841B2Spray switch for spray gunCHENG CHI-HAN·Filed 2010·Granted Sep 10, 2013·4 cites·5 claims
- 0776USD632764SWater pipe connector with quick-releaseCHENG CHI-HAN·Filed 2010·Granted Feb 15, 2011·22 cites·1 claims
- 0875US8087597B2Spray gun structureCHENG CHI HAN·Filed 2008·Granted Jan 3, 2012·8 cites·15 claims
- 0974USD615615SWater spray gunCHENG CHI-HAN·Filed 2009·Granted May 11, 2010·19 cites·1 claims
- 1065USD764951STimerCHENG CHI HAN·Filed 2015·Granted Aug 30, 2016·9 cites·1 claims
- 1164US8662107B2Switch device for water conduit valveCHENG CHI-HAN·Filed 2010·Granted Mar 4, 2014·2 cites·11 claims
- 1262USD615154SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 4, 2010·11 cites·1 claims
- 1360USD616063SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 18, 2010·10 cites·1 claims
- 1460USD615153SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 4, 2010·10 cites·1 claims
- 1557USD764950STimerCHENG CHI HAN·Filed 2014·Granted Aug 30, 2016·8 cites·1 claims
- 1657USD615610SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 11, 2010·9 cites·1 claims
- 1752USD615612SSprinklerCHENG CHI-HAN·Filed 2009·Granted May 11, 2010·7 cites·1 claims
- 1843USD615155SWater spray gunCHENG CHI-HAN·Filed 2009·Granted May 4, 2010·4 cites·1 claims
- 1940USD615156SWater spray gunCHENG CHI-HAN·Filed 2009·Granted May 4, 2010·3 cites·1 claims
- 2031USD614730SWater spray gunCHENG CHI-HAN·Filed 2009·Granted Apr 27, 2010·0 cites·1 claims
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