20/07/2018

Design Patents

Sian makes the products through patented technology and sensuous design.

Design and Patents

Certificat of Azuma Design
Certificat of Azuma Design
Certificat of Azuma Design
Certificat of Azuma Design
Certificat of Azuma Design
Certificat of Azuma Design
Certificat of Azuma Design
Certificat of Bussines Regristration
Product No. 30-0248539
Certificate of design registration of packing box
Certificate of trademark registration
Certificate of service mark registration
Certificate of utility model registration
Connector for window frame
Windproof structure for double window frame
Apparatus for loading frame in wrapping machine
An insert member and system windows employing the same
Door roller for windows and height adjuster
Frame in sliding window with weather board
Tight lock sealing device
Tight lock sealing device
Lift sliding air-tight window
Frame for window
Frame for window frame
Frame for window frame
Frame coupler for window frame
Fastening member for frame coupler for window frame
Assistance frame for system windows
Window frame for veranda
Rail assembly for veranda window frame
Frame for window frame
Frame for window frame
Frame member for window frame
Frame member for window frame
Weather frame for window frame
Middle frame for window frame
Frame for windows & doors
Stiffener for door frame
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