Inventor · disambiguated record
Chengzhong Chen
Also filed as: CHEN CHENGZHONG
5 granted patents·236 citations·filing 2006–2008
84Inventor score
Top patents by PatentIndex Score
5 records- 0198US7882899B2Power tool having control system for changing rotational speed of output shaftPOSITEC POWER TOOLS SUZHOU CO·Filed 2008·Granted Feb 8, 2011·91 cites·21 claims
- 0298US7882900B2Power tool with signal generatorPOSITEC POWER TOOLS SUZHOU CO·Filed 2008·Granted Feb 8, 2011·82 cites·11 claims
- 0394US7900715B2Variable speed tool and variable speed control methodPOSITEC POWER TOOLS SUZHOU CO·Filed 2007·Granted Mar 8, 2011·46 cites·50 claims
- 0482US8235139B2Power toolCHEN CHENGZHONG·Filed 2007·Granted Aug 7, 2012·16 cites·14 claims
- 0556US7195547B2Dual plate sanderPOSITEC POWER TOOLS SUZHOU CO·Filed 2006·Granted Mar 27, 2007·1 cites·16 claims
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