Cheng; Ming-Chuan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Ming-Chuan.The latest application filed is for "mechanism for linking chair and footrest of stairlift to each other".
- Cheng; Ming-Chuan - Taichung TW
- CHENG; Ming-Chuan - TAICHUNG CITY TW
| Patent | Date |
|---|---|
| Rollator Grant D941,193 - Cheng January 18, 2 | 2022-01-18 |
| Electric wheelchair Grant D871,272 - Cheng Dec | 2019-12-31 |
| Mechanism For Linking Chair And Footrest Of Stairlift To Each Other App 20180273347 - CHENG; Ming-Chuan | 2018-09-27 |
| Mechanism for linking chair and footrest of stairlift to each other Grant 10,081,517 - Cheng September 25, 2 | 2018-09-25 |
| Overspeed braking mechanism for a stairlift Grant 10,053,334 - Cheng August 21, 2 | 2018-08-21 |
| Leg rest device of power vehicle Grant 9,944,208 - Cheng April 17, 2 | 2018-04-17 |
| Seat back linking mechanism Grant 9,883,979 - Cheng February 6, 2 | 2018-02-06 |
| Stair climber Grant D808,868 - Cheng January 30, 2 | 2018-01-30 |
| Leg Rest Device Of Power Vehicle App 20160331609 - CHENG; MING-CHUAN | 2016-11-17 |
| Seat tilt angle control device Grant 9,493,094 - Cheng November 15, 2 | 2016-11-15 |
| Folding mechanism of vehicle Grant 9,302,691 - Cheng April 5, 2 | 2016-04-05 |
| Folding Device For Power Scooters App 20160089285 - Cheng; Ming-Chuan | 2016-03-31 |
| Seat Tilt Angle Control Device App 20160023574 - CHENG; MING-CHUAN | 2016-01-28 |
| Seat Back Linking Mechanism App 20160022038 - CHENG; MING-CHUAN | 2016-01-28 |
| Electric scooter Grant D744,380 - Cheng December 1, 2 | 2015-12-01 |
| Folding Mechanism Of Vehicle App 20150061263 - CHENG; Ming-Chuan | 2015-03-05 |
| Wheel set structure of an electric wheelchair Grant 8,286,738 - Cheng October 16, 2 | 2012-10-16 |
| Wheel Set Structure Of An Electric Wheelchair App 20110012316 - CHENG; Ming-Chuan | 2011-01-20 |
| Power wheelchair Grant 7,775,307 - Cheng August 17, 2 | 2010-08-17 |
| Power Wheelchair App 20090050381 - CHENG; Ming-Chuan | 2009-02-26 |
| Power Wheelchair App 20080264702 - Cheng; Ming-Chuan | 2008-10-30 |
| Anti-tip assembly for a power wheelchair App 20080157513 - Cheng; Ming-Chuan | 2008-07-03 |
| Quick release armrest assembly for a bath chair App 20080136244 - Cheng; Ming-Chuan | 2008-06-12 |
| Covering plate for an electric wheelchair Grant D561,066 - Cheng February 5, 2 | 2008-02-05 |
| Frame for an electric scooter Grant D560,564 - Cheng January 29, 2 | 2008-01-29 |
| Compressor for a nebulizer Grant D559,974 - Cheng January 15, 2 | 2008-01-15 |
| Nebulizer Grant D527,098 - Cheng August 22, 2 | 2006-08-22 |
| Stable wheel assembly Grant 6,910,743 - Cheng June 28, 2 | 2005-06-28 |
| Stable Wheel Assembly App 20050073193 - Cheng, Ming-Chuan | 2005-04-07 |
| Cargo lift for a vehicle App 20050031441 - Cheng, Ming-Chuan | 2005-02-10 |
| Shock absorber for a power wheelchair Grant 6,845,996 - Cheng January 25, 2 | 2005-01-25 |
| Shock absorber for a power wheelchair App 20040173983 - Cheng, Ming-Chuan | 2004-09-09 |
| Electric motorcycle Grant D494,512 - Cheng August 17, 2 | 2004-08-17 |
| Electric wheelchair Grant D494,110 - Cheng August 10, 2 | 2004-08-10 |
| Battery compartment for a motorized wheel chair Grant 6,769,503 - Cheng August 3, 2 | 2004-08-03 |
| Adjustable steering assembly for an electrical scooter Grant 6,712,391 - Cheng March 30, 2 | 2004-03-30 |
| Battery compartment for a motorized wheel chair App 20030226699 - Cheng, Ming-Chuan | 2003-12-11 |
| Terminal device for a battery container on an electromobile Grant 6,657,414 - Cheng December 2, 2 | 2003-12-02 |
| Oxygen concentrator Grant D471,982 - Cheng March 18, 2 | 2003-03-18 |
| Oxygen concentrator Grant D471,278 - Cheng March 4, 2 | 2003-03-04 |
| Adjustable steering assembly for an electrical scooter App 20030001374 - Cheng, Ming-Chuan | 2003-01-02 |
| Electric scooter Grant D457,466 - Cheng May 21, 2 | 2002-05-21 |
| Horizontal swivelling angle positioning means for a chair Grant 6,196,630 - Cheng March 6, 2 | 2001-03-06 |
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