Assignee
CHANG CHIN-FENG
TW·2 granted patents·6 pending applications·16 citations·filing 2007–2011
Top patents by PatentIndex Score
8 records- 0170US8096773B2Vertical axis wind turbineCHANG CHIN-FENG·Filed 2009·Granted Jan 17, 2012·11 cites·11 claims
- 0245US2012318479A1Liquid cooled motor assembly and cover thereofCHANG CHIN-FENG·Filed 2011·Application pending·0 cites
- 0343USD608667SWind turbineCHANG CHIN-FENG·Filed 2009·Granted Jan 26, 2010·5 cites·1 claims
- 0440US2012164008A1Negative-pressure oxygen providing deviceCHANG CHIN-FENG·Filed 2010·Application pending·0 cites
- 0540US2012159801A1Dehydrating deviceCHANG CHIN-FENG·Filed 2010·Application pending·0 cites
- 0639US2009000455A1Reinforcing device for a main body of a band sawCHANG CHIN-FENG·Filed 2007·Application pending·0 cites
- 0739US2012325423A1Method of manufacturing a motor rotorCHANG CHIN-FENG·Filed 2011·Application pending·0 cites
- 0839US2013009497A1Motor housing with an air-cooling capabilityCHANG CHIN-FENG·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →