Apparatus and method for removing ballast stones from a roof
Apparatus for dumping a top-dumping mine car
Automatic release system
Bottom discharge hopper
Bottom dump arrangement
Cam actuated railway hopper car door operating mechanism
Collection, storage and disposal system for refuse, trash or any
Container and handling apparatus therefor
Container and handling apparatus therefor
Conveyer system for rail-car unloading apparatus and method
Door latch mechanism for bottom dump hopper car
Door locking mechanism for hopper car doors
Double locking door latch mechanism for railway hopper cars
Dust containment system for bottom dumping railroad cars
Golf ball handling system
Goods wagon unloading mechanism
Grain hopper assembly
High capacity bulk material transportation and discharge...
Hopper
Hopper car discharge gate operating mechanism