DC

Douglas Chiang

TC Tien Hsin Industries Co.: 16 patents #1 of 45Top 3%
TC Th Industries Co.: 2 patents #1 of 8Top 15%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #83,067 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
10457347 Embedded handle and handle structure for bicycle Ron Correa 2019-10-29
10086902 Bicycle component fastening device 2018-10-02
9334017 Electronic rear derailleur Alfredo Sala 2016-05-10
9085340 Electronic front derailleur Alfredo Sala 2015-07-21
8033198 Shift control device for bicycle 2011-10-11
7779719 Combination of derailleur shifter and brake lever 2010-08-24
7621601 Bicycle hub 2009-11-24
D604346 Sprocket 2009-11-17
7562932 Seat support structure of a bicycle 2009-07-21
7559603 Bicycle seat tube adjusting assembly 2009-07-14
7533867 Adjustable cable hanger for a bicycle 2009-05-19
D527991 Connection tube 2006-09-12
D527992 Connection tube 2006-09-12
7093910 Fastening device for connecting spokes to rims Eric Hjertberg 2006-08-22
7077480 Nuts for securing spokes to rims Eric Hjertberg 2006-07-18
6957856 Bicycle seat post David Anthony 2005-10-25
6899402 Combination of crank and axle in bottom bracket Douglas Mathew Stuart 2005-05-31
6886892 Combination of bicycle spokes and rims Eric Hjertberg 2005-05-03
6883818 Bicycle headset assembly 2005-04-26
D499055 Bicycle handlebar David Anthony 2004-11-30
D498717 Bicycle auxiliary handle joint David Anthony 2004-11-23
D498711 Bicycle crank David Anthony 2004-11-23
D498710 Bicycle crank David Anthony 2004-11-23
6550355 Bicycle crankshaft assembly 2003-04-22
6508002 Bicycle crank arm and method of making same 2003-01-21