Inventor · disambiguated record
Chuck Chang
Also filed as: CHANG CHUCK · CHANG CHUCK CHEN-TSAI
15 granted patents·5 pending applications·326 citations·filing 1998–2011
94Inventor score
Top patents by PatentIndex Score
20 records- 0194US6761093B2Socket structureFiled 2002·Granted Jul 13, 2004·73 cites·9 claims
- 0292US6253646B1Roller-type ratchet device for wrenchFiled 2000·Granted Jul 3, 2001·51 cites·16 claims
- 0390US6913272B2Skateboard having a three-dimensional independent suspension balance systemFiled 2003·Granted Jul 5, 2005·39 cites·15 claims
- 0489US7219907B2Skateboard wheel set with suspension deviceCHANG CHUCK·Filed 2004·Granted May 22, 2007·37 cites·7 claims
- 0587US6656053B2Automatically restorable universal connectorFiled 2001·Granted Dec 2, 2003·26 cites·2 claims
- 0687US6644265B2Electro-hydraulic manifold assembly and method of making same for controlling de-activation of combustion chamber valves in a multicylinder engineEATON CORP·Filed 2002·Granted Nov 11, 2003·37 cites·22 claims
- 0781US7146881B2Wrench having a locking device with a smaller driving angleLOTUSKATE SPORTS IND CO LTD·Filed 2005·Granted Dec 12, 2006·17 cites·5 claims
- 0868US6722508B2Removable cartridge assembly for filtering bi-directional axial flow and radial flow and method of making sameEATON CORP·Filed 2002·Granted Apr 20, 2004·15 cites·11 claims
- 0963US8677956B2Control 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
- 1057US8573167B2Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engineCHEN XUEWEI·Filed 2009·Granted Nov 5, 2013·2 cites·10 claims
- 1154US6053512ASuspension system for in-line roller skatesFiled 1998·Granted Apr 25, 2000·17 cites·6 claims
- 1251US2010162857A1WrenchCHANG CHUCK·Filed 2008·Application pending·0 cites
- 1349US7117772B2Wrench having a safety deviceCHANG CHUCK·Filed 2005·Granted Oct 10, 2006·3 cites·14 claims
- 1446US2011017026A1Identification Structure for a SocketCHANG CHUCK·Filed 2010·Application pending·0 cites
- 1545US7344143B2Roller skate having a safety deviceLOTUSKATE SPORTS IND CO LTD·Filed 2005·Granted Mar 18, 2008·0 cites·7 claims
- 1645US2003214104A1Roller skate having a safety deviceFiled 2003·Application pending·0 cites
- 1741US2004020337A1Wrench having a safety deviceFiled 2003·Application pending·0 cites
- 1841US2004089108A1Wrench having a locking device with a smaller driving angleFiled 2003·Application pending·0 cites
- 1936USD680397SWrench detent having unsymetrical tooth shapes at left and right endCHANG CHUCK·Filed 2011·Granted Apr 23, 2013·3 cites·1 claims
- 2036USD426864SBase for in-line roller skateCHANG CHUCK·Filed 1999·Granted Jun 20, 2000·3 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Chuck Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →