Inventor
NIEN KENG-HAO
TW30 patents
Patents
30 patentsUS10745966B2Aug 18, 2020
Support structure for roller for a shade
NIEN MADE ENTPR CO LTD31 citations94
US10451145B2Oct 22, 2019
System and device for window covering system
NIEN MADE ENTPR CO LTD17 citations94
US10107032B2Oct 23, 2018
Control mechanism for raising and lowering window covering
NIEN MADE ENTPR CO LTD11 citations92
US6474038B2Nov 5, 2002
Window shutter frame assembly and method for installation
NIEN MADE ENTPR CO LTD28 citations92
US10619412B2Apr 14, 2020
Slat of window covering
NIEN MADE ENTPR CO LTD9 citations84
US10612299B2Apr 7, 2020
Control device of window covering system
NIEN MADE ENTPR CO LTD8 citations84
US10533371B2Jan 14, 2020
System and device for window covering
NIEN MADE ENTPR CO LTD7 citations84
US10302172B2May 28, 2019
Window covering system and window covering control assembly thereof
NIEN MADE ENTPR CO LTD6 citations84
US9988838B2Jun 5, 2018
TDBU window covering with carriage structure
NIEN MADE ENTPR CO LTD11 citations84
US10865600B2Dec 15, 2020
Window blind
NIEN MADE ENTPR CO LTD8 citations82
US10731408B2Aug 4, 2020
Window covering system and displacement controlling device thereof
NIEN MADE ENTPR CO LTD5 citations80
US7434353B2Oct 14, 2008
Electric blind
NIEN MADE ENTPR CO LTD19 citations79
US11230881B2Jan 25, 2022
Block and tackle window blind
NIEN MADE ENTPR CO LTD3 citations73
US11220860B2Jan 11, 2022
Position-fixing system
NIEN MADE ENTPR CO LTD3 citations73
US11008807B2May 18, 2021
Position-fixing system
NIEN MADE ENTPR CO LTD3 citations73
USRE48355EDec 15, 2020
Control mechanism for raising and lowering window covering
NIEN MADE ENTPR CO LTD3 citations73
US10619410B2Apr 14, 2020
Window blind
NIEN MADE ENTPR CO LTD1 citations73
US10612300B2Apr 7, 2020
Window blind
NIEN MADE ENTPR CO LTD1 citations73
US10563455B2Feb 18, 2020
Locking mechanism for cord of window covering
NIEN MADE ENTPR CO LTD4 citations73
US10501985B2Dec 10, 2019
System and device for window covering
NIEN MADE ENTPR CO LTD5 citations73
US10415617B2Sep 17, 2019
Connecting structure and covering device for opening of building
NIEN MADE ENTPR CO LTD5 citations73
US10036196B2Jul 31, 2018
Automatic closing structure for slats of sash
NIEN MADE ENTPR CO LTD2 citations73
US10428899B2Oct 1, 2019
Window covering system and window covering control apparatus thereof
NIEN MADE ENTPR CO LTD1 citations69
US10968695B2Apr 6, 2021
Fixing assembly for roller shade
NIEN MADE ENTPR CO LTD4 citations67
US11480230B2Oct 25, 2022
Damping device of window covering
NIEN MADE ENTPR CO LTD0 citations62
US10718155B2Jul 21, 2020
Light blocking system for vertical blind
NIEN MADE ENTPR CO LTD1 citations60
US11078724B2Aug 3, 2021
Window covering
NIEN MADE ENTPR CO LTD0 citations52
US10612621B2Apr 7, 2020
Damping device for window covering
NIEN MADE ENTPR CO LTD0 citations52
US9890586B2Feb 13, 2018
Sunshade structure
NIEN MADE ENTPR CO LTD1 citations50
US10865601B2Dec 15, 2020
Window covering
NIEN MADE ENTPR CO LTD0 citations41