Assignee
KWOK YAU CHEUNG
HK·4 granted patents·5 citations·filing 2007–2011
Top patents by PatentIndex Score
4 records- 0155US8297239B2Gyroscopic rotary engineKWOK YAU CHEUNG·Filed 2007·Granted Oct 30, 2012·5 cites·10 claims
- 0238US8505703B2Eccentric gearing type clutchKWOK YAU CHEUNG·Filed 2009·Granted Aug 13, 2013·0 cites·24 claims
- 0328US9102380B2Bicycle driven by handsKWOK YAU CHEUNG·Filed 2011·Granted Aug 11, 2015·0 cites·10 claims
- 0426US8387475B2Continuously variable transmissionKWOK YAU CHEUNG·Filed 2007·Granted Mar 5, 2013·0 cites·8 claims
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