BH

Bobby Hu

UN Unknown: 11 patents #718 of 83,584Top 1%
HD Hand Tool Design: 4 patents #5 of 29Top 20%
Overall (All Time): #3,223 of 4,157,543Top 1%
204
Patents All Time

Issued Patents All Time

Showing 151–175 of 204 patents

Patent #TitleCo-InventorsDate
6722234 Easy-to-operate and easy-to-assemble ratcheting-type wrench 2004-04-20
6701813 Wrench with a fixed maximum operational torque 2004-03-09
6698320 Retainer ring for securely retaining a first object to a second object 2004-03-02
6691593 Retainer ring for securely retaining a first object to a second object 2004-02-17
6666117 Wrench with a fixed maximum operational torque 2003-12-23
6666112 Switching arrangement for a reversible ratchet type wrench 2003-12-23
6662693 Wrench with a fixed maximum operational torque 2003-12-16
6647831 Adaptor device for a wrench 2003-11-18
6647834 Method for processing a hand tool 2003-11-18
6647832 Wrench having two rigid supporting areas for a pawl 2003-11-18
6644148 Reversible ratchet-type wrench 2003-11-11
D481276 Wrench 2003-10-28
6615692 Vibration-absorbing tool handle cover 2003-09-09
6601476 Adaptor device for a wrench 2003-08-05
6568299 Reversible ratcheting tool with a smaller head 2003-05-27
D471774 Head portion of a ratchet wrench 2003-03-18
D471411 Head portion of a ratchet wrench 2003-03-11
6520051 Head of a wrench handle 2003-02-18
6477759 Method for processing a hand tool 2002-11-12
6457387 Reversible ratcheting tool with a smaller head and improved driving torque 2002-10-01
6457389 Switching arrangement for a reversible ratchet type wrench 2002-10-01
6453779 Positioning device for a switch member of a reversible ratchet-type wrench 2002-09-24
6450068 Ratchet type ring spanner having a larger cavity for receiving a larger pawl 2002-09-17
6450066 Head of a wrench handle 2002-09-17
6431031 Reversible ratcheting tool with a smaller head 2002-08-13