|
US5469978A
|
|
Condition indicating system for railway car cushioning unit
|
|
US5272987A
|
|
Lock for railway hopper car unloading gate
|
|
CA2062043A1
|
|
Hydraulic-pneumatic cushioning device with pressure indicator
|
|
US3393017A
|
|
Discharge unit for railway hopper cars
|
|
US3391837A
|
|
Hopper outlet unit
|
|
US3227289A
|
|
Coupler operator for railway cars
|
|
US3168201A
|
|
Impact absorbing apparatus
|
|
US3237574A
|
|
Impact absorbing apparatus
|
|
US3332364A
|
|
Impact absorbing apparatus
|
|
US3186562A
|
|
Freight car underframe with hydraulic cushioning
|
|
US3007242A
|
|
Method of restoring journal wedge
|
|
CA613340A
|
|
Method of restoring journal wedge
|
|
CA814244A
|
|
Freight car underframe with hydraulic cushioning
|
|
CA767483A
|
|
Impact absorbing apparatus
|
|
CA790902A
|
|
Hopper door lock and operating mechanism
|
|
CA759802A
|
|
Impact absorbing apparatus
|
|
CA753962A
|
|
Impact absorbing apparatus
|
|
CA767484A
|
|
Coupler operator for railway cars
|
