Inventor
OUYANG RUIPING
US7 patents
Patents
7 patentsUS11028639B2Jun 8, 2021
Low friction high speed roll door at high wind loads
OVERHEAD DOOR CORP7 citations80
US11162301B2Nov 2, 2021
Roll-up door with spiral brackets
OVERHEAD DOOR CORP7 citations79
US12516567B2Jan 6, 2026
Roll-up door with spiral brackets
OVERHEAD DOOR CORP0 citations57
US12320193B2Jun 3, 2025
Roll-up door with spiral brackets
OVERHEAD DOOR CORP0 citations57
US12583695B2Mar 24, 2026
Dock leveler
OVERHEAD DOOR CORP0 citations55
US12522455B2Jan 13, 2026
Dock leveler with deck hinge
OVERHEAD DOOR CORP0 citations55
US12319523B2Jun 3, 2025
Dock leveler with lip hinge
OVERHEAD DOOR CORP0 citations55