|
US2018194372A1
|
|
Hopper car gate with multiple openings
|
|
US2016167680A1
|
|
Hatch cover mounted latch for a railcar
|
|
US2015175175A1
|
|
Railcar hatch cover assembly
|
|
US2015166079A1
|
|
Automatic hopper car gate opening and closing system
|
|
US8371235B1
|
|
Vacuum and gravity discharge hopper car gate
|
|
US2010107924A1
|
|
Hopper car gate with a laterally opening door
|
|
US2009235840A1
|
|
Hopper car gate with a curved door
|
|
US2009090269A1
|
|
Hopper car gate with enlarged discharge and increased capacity
|
|
US2009007813A1
|
|
Hopper car gate with opposed double doors
|
|
US7367271B2
|
|
Railway hopper car discharge gate
|
|
US6571718B2
|
|
Railway car outlet gate assembly
|
|
US6412251B1
|
|
Web core structural panel
|
|
US6374750B1
|
|
Structural panel system
|
