Inventor · disambiguated record
Chunhua Cao
Also filed as: CAO CHUNHUA
4 granted patents·18 citations·filing 2004–2008
63Inventor score
Technology areasD06F
Top patents by PatentIndex Score
4 records- 0168USD566347SDrum type washing machineHAIER GROUP CORP·Filed 2006·Granted Apr 8, 2008·18 cites·1 claims
- 0248US8042364B2Washing machine with improved waterway systemHAIER GROUP CORP·Filed 2008·Granted Oct 25, 2011·0 cites·20 claims
- 0345US8112901B2Seal unit of gas dryerCAO CHUNHUA·Filed 2008·Granted Feb 14, 2012·0 cites·7 claims
- 0433US8857223B2Washing method which has no need of adding detergent by the user and the washing machine thereofCAO CHUNHUA·Filed 2004·Granted Oct 14, 2014·0 cites·10 claims
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