CC

Chuck Chang

EA Eaton: 2 patents #1,243 of 3,708Top 35%
SC Schaeffler: 2 patents #768 of 2,365Top 35%
📍 Zhuolan Township, MI: #1 of 5 inventorsTop 20%
Overall (All Time): #324,055 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8677956 Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine Xuewei Chen, Roger Meyer 2014-03-25
8573167 Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine Xuewei Chen, Roger Meyer 2013-11-05
D680397 Wrench detent having unsymetrical tooth shapes at left and right end 2013-04-23
7344143 Roller skate having a safety device 2008-03-18
7219907 Skateboard wheel set with suspension device 2007-05-22
7146881 Wrench having a locking device with a smaller driving angle 2006-12-12
7117772 Wrench having a safety device 2006-10-10
6913272 Skateboard having a three-dimensional independent suspension balance system 2005-07-05
6761093 Socket structure 2004-07-13
6722508 Removable cartridge assembly for filtering bi-directional axial flow and radial flow and method of making same Kenneth J. Parker, Jorge A. Moreno, William J. Gorski 2004-04-20
6656053 Automatically restorable universal connector 2003-12-02
6644265 Electro-hydraulic manifold assembly and method of making same for controlling de-activation of combustion chamber valves in a multicylinder engine Kenneth J. Parker, Jorge A. Moreno 2003-11-11
6253646 Roller-type ratchet device for wrench 2001-07-03
D426864 Base for in-line roller skate 2000-06-20
6053512 Suspension system for in-line roller skates 2000-04-25