Assignee
CHANG CHUCK
TW·7 granted patents·2 pending applications·97 citations·filing 1999–2011
Top patents by PatentIndex Score
9 records- 0189US7219907B2Skateboard wheel set with suspension deviceCHANG CHUCK·Filed 2004·Granted May 22, 2007·37 cites·7 claims
- 0283US6532846B2Tool having a handle that may adjust the arm of force of the toolCHANG CHUCK·Filed 2001·Granted Mar 18, 2003·25 cites·12 claims
- 0378US6604441B2Connector for a toolCHANG CHUCK·Filed 2001·Granted Aug 12, 2003·23 cites·6 claims
- 0463US8677956B2Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engineCHANG CHUCK·Filed 2009·Granted Mar 25, 2014·3 cites·7 claims
- 0551US2010162857A1WrenchCHANG CHUCK·Filed 2008·Application pending·0 cites
- 0649US7117772B2Wrench having a safety deviceCHANG CHUCK·Filed 2005·Granted Oct 10, 2006·3 cites·14 claims
- 0746US2011017026A1Identification Structure for a SocketCHANG CHUCK·Filed 2010·Application pending·0 cites
- 0836USD680397SWrench detent having unsymetrical tooth shapes at left and right endCHANG CHUCK·Filed 2011·Granted Apr 23, 2013·3 cites·1 claims
- 0936USD426864SBase for in-line roller skateCHANG CHUCK·Filed 1999·Granted Jun 20, 2000·3 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →