Inventor · disambiguated record
Ming-Chuan Cheng
Also filed as: CHENG MING CHIH · CHENG MING CHIN · CHENG MING-CHUAN
32 granted patents·7 pending applications·438 citations·filing 1994–2024
97Inventor score
Files withMERITS HEALTH PRODUCTS CO LTD29CHENG MING-CHUAN5MERITE HEALTH PRODUCTS CO LTD1MERITS HEALTH PRODUCTIONS CO L1
Top patents by PatentIndex Score
39 records- 0196US10081517B1Mechanism for linking chair and footrest of stairlift to each otherMERITS HEALTH PRODUCTS CO LTD·Filed 2017·Granted Sep 25, 2018·9 cites·14 claims
- 0296US10053334B1Overspeed braking mechanism for a stairliftMERITS HEALTH PRODUCTS CO LTD·Filed 2017·Granted Aug 21, 2018·10 cites·10 claims
- 0395USD494110SElectric wheelchairMERITS HEALTH PRODUCTS CO LTD·Filed 2003·Granted Aug 10, 2004·78 cites·1 claims
- 0491USD941193SRollatorMERITS HEALTH PRODUCTS CO LTD·Filed 2020·Granted Jan 18, 2022·17 cites·1 claims
- 0591USD744380SElectric scooterMERITS HEALTH PRODUCTS CO LTD·Filed 2014·Granted Dec 1, 2015·18 cites·1 claims
- 0690US9944208B2Leg rest device of power vehicleMERITS HEALTH PRODUCTS CO LTD·Filed 2016·Granted Apr 17, 2018·9 cites·15 claims
- 0790US8286738B2Wheel set structure of an electric wheelchairCHENG MING-CHUAN·Filed 2009·Granted Oct 16, 2012·34 cites·10 claims
- 0888USD471982SOxygen concentratorFiled 2002·Granted Mar 18, 2003·40 cites·1 claims
- 0983US9302691B2Folding mechanism of vehicleMERITS HEALTH PRODUCTS CO LTD·Filed 2014·Granted Apr 5, 2016·11 cites·2 claims
- 1082US7775307B2Power wheelchairMERITE HEALTH PRODUCTS CO LTD·Filed 2007·Granted Aug 17, 2010·32 cites·8 claims
- 1181USD871272SElectric wheelchairMERITS HEALTH PRODUCTS CO LTD·Filed 2018·Granted Dec 31, 2019·19 cites·1 claims
- 1276USD808868SStair climberMERITS HEALTH PRODUCTS CO LTD·Filed 2017·Granted Jan 30, 2018·16 cites·1 claims
- 1374USD527098SNebulizerMERITS HEALTH PRODUCTS CO LTD·Filed 2004·Granted Aug 22, 2006·19 cites·1 claims
- 1471US12264044B1Stair lifting chairMERITS HEALTH PRODUCTS CO LTD·Filed 2024·Granted Apr 1, 2025·0 cites·10 claims
- 1570US6769503B2Battery compartment for a motorized wheel chairMERITS HEALTH PRODUCTS CO LTD·Filed 2002·Granted Aug 3, 2004·19 cites·7 claims
- 1668US9883979B2Seat back linking mechanismMERITS HEALTH PRODUCTS CO LTD·Filed 2015·Granted Feb 6, 2018·2 cites·2 claims
- 1768USD471278SOxygen concentratorCHENG MING-CHUAN·Filed 2002·Granted Mar 4, 2003·16 cites·1 claims
- 1865US12458549B2Calf rest and support structure of wheelchairMERITS HEALTH PRODUCTS CO LTD·Filed 2023·Granted Nov 4, 2025·0 cites·10 claims
- 1964USD494512SElectric motorcycleMERITS HEALTH PRODUCTS CO LTD·Filed 2003·Granted Aug 17, 2004·13 cites·1 claims
- 2062USD561066SCovering plate for an electric wheelchairMERITS HEALTH PRODUCTS CO LTD·Filed 2006·Granted Feb 5, 2008·13 cites·1 claims
- 2160USD381293SElectric scooterCHENG MING-CHUAN·Filed 1994·Granted Jul 22, 1997·10 cites·1 claims
- 2256US9493094B2Seat tilt angle control deviceMERITS HEALTH PRODUCTS CO LTD·Filed 2015·Granted Nov 15, 2016·1 cites·9 claims
- 2355USD457466SElectric scooterMERITS HEALTH PRODUCTS CO LTD·Filed 2001·Granted May 21, 2002·9 cites·1 claims
- 2452US6910743B2Stable wheel assemblyMERITS HEALTH PRODUCTS CO LTD·Filed 2003·Granted Jun 28, 2005·4 cites·3 claims
- 2548US6845996B2Shock absorber for a power wheelchairMERITS HEALTH PRODUCTS CO LTD·Filed 2003·Granted Jan 25, 2005·6 cites·3 claims
- 2648US2008136244A1Quick release armrest assembly for a bath chairMERITS HEALTH PRODUCTS CO LTD·Filed 2006·Application pending·0 cites
- 2747US2009050381A1Power wheelchairMERITS HEALTH PRODUCTIONS CO L·Filed 2007·Application pending·0 cites
- 2846US2008157513A1Anti-tip assembly for a power wheelchairMERITS HEALTH PRODUCTS CO LTD·Filed 2006·Application pending·0 cites
- 2945US6657414B1Terminal device for a battery container on an electromobileMERITS HEALTH PRODUCTS CO LTD·Filed 2003·Granted Dec 2, 2003·2 cites·6 claims
- 3045US6196630B1Horizontal swivelling angle positioning means for a chairMERITS HEALTH PRODUCTS CO LTD·Filed 1999·Granted Mar 6, 2001·18 cites·1 claims
- 3145US2016089285A1Folding device for power scootersCHENG MING-CHUAN·Filed 2014·Application pending·0 cites
- 3243US2005031441A1Cargo lift for a vehicleMERITS HEALTH PRODUCTS CO LTD·Filed 2003·Application pending·0 cites
- 3342US6712391B2Adjustable steering assembly for an electrical scooterMERITS HEALTH PRODUCTS CO LTD·Filed 2002·Granted Mar 30, 2004·3 cites·1 claims
- 3440US2002067021A1Scooter having solid folding configurationFiled 2000·Application pending·0 cites
- 3539USD379944SElectric scooterCHENG MING-CHUAN·Filed 1994·Granted Jun 17, 1997·3 cites·1 claims
- 3637USD560564SFrame for an electric scooterMERITS HEALTH PRODUCTS CO LTD·Filed 2006·Granted Jan 29, 2008·3 cites·1 claims
- 3736USD456745SElectric scooterMERITS HEALTH PRODUCTS CO LTD·Filed 2001·Granted May 7, 2002·2 cites·1 claims
- 3835USD559974SCompressor for a nebulizerMERITS HEALTH PRODUCTS CO LTD·Filed 2006·Granted Jan 15, 2008·2 cites·1 claims
- 3927US2002067014A1Scooter having easily assembled brake deviceFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →