Inventor · disambiguated record
Huang-Tung Chang
Also filed as: CHANG HUANG · CHANG HUANG W · CHANG HUANG-TUNG
11 granted patents·16 pending applications·270 citations·filing 1994–2012
91Inventor score
Top patents by PatentIndex Score
27 records- 0186US5460174AOxygen supplying system having flow control throttleFiled 1994·Granted Oct 24, 1995·95 cites·3 claims
- 0284US7077788B2Cushion device for treadmillsCHANG HUANG-TUNG·Filed 2005·Granted Jul 18, 2006·29 cites·15 claims
- 0380US6726602B2Lifting and folding device for running exercise machineFiled 2003·Granted Apr 27, 2004·36 cites·3 claims
- 0479US7402126B2Elliptical exerciser with adjustable guiding railsCHANG HUANG-TUNG·Filed 2004·Granted Jul 22, 2008·32 cites·12 claims
- 0573US8206801B2Buffer board for treadmillCHANG HUANG-TUNG·Filed 2010·Granted Jun 26, 2012·4 cites·10 claims
- 0659US5515843AThree-layer helmet assembly with breathing gas throttleFiled 1994·Granted May 14, 1996·48 cites·1 claims
- 0758US6310416B1Resisting and pulling mechanismFiled 2000·Granted Oct 30, 2001·10 cites·5 claims
- 0855US6855095B2Folding mechanism for treadmillsFiled 2003·Granted Feb 15, 2005·6 cites·4 claims
- 0954US6860837B2Surfing exerciserFiled 2003·Granted Mar 1, 2005·5 cites·4 claims
- 1049US6283901B1Device for effecting resistanceFiled 2000·Granted Sep 4, 2001·1 cites·1 claims
- 1149US2008220946A1Multiple-direction swinging exciserCHANG HUANG-TUNG·Filed 2007·Application pending·0 cites
- 1246US2005115783A1Magnetic resistance deviceFiled 2004·Application pending·0 cites
- 1346US2006040797A1Treadmill with a table topCHANG HUANG-TUNG·Filed 2004·Application pending·0 cites
- 1446US2006035752A1Dual-function exercise deviceCHANG HUANG-TUNG·Filed 2005·Application pending·0 cites
- 1545US2004242386A1Adjustable air resistance force generating device for exercisersFiled 2003·Application pending·0 cites
- 1644US2013196827A1Buffer structure of treadmillCHANG HUANG-TUNG·Filed 2012·Application pending·0 cites
- 1744US2004238354A1Oxygen generating deviceFiled 2003·Application pending·0 cites
- 1844US2004198558A1Easy folding device for treadmillsFiled 2003·Application pending·0 cites
- 1944US2005020410A1Magnetic resistance adjusting device for exerciserFiled 2003·Application pending·0 cites
- 2044US2005059530A1Mutual action video game exercising deviceFiled 2003·Application pending·0 cites
- 2144US2004043871A1Treading exercising machine with adjustable elliptical track for tilting at two sidesFiled 2003·Application pending·0 cites
- 2243US2003139254A1Interactive device for interactively operating music and speech with moving frequencies of exercisersFiled 2002·Application pending·0 cites
- 2343US2004005960A1Treading exercise machine with elliptical traceFiled 2002·Application pending·0 cites
- 2441US2003022140A1Interactive game apparatus by utilizing parameters related to exerciser userFiled 2001·Application pending·0 cites
- 2539US2004130228A1Magnetic induction couplerFiled 2003·Application pending·0 cites
- 2638US6318517B1Mechanism for effecting resistanceFiled 2000·Granted Nov 20, 2001·4 cites·1 claims
- 2733US2005247376A1Magnetic materials containing praseodymiumCHANG WEN C·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →