Apparatus and method for securing a hatch cover to a hatch port

Centralized control mechanism with incorporated safety means for

Detentable automatic hatch latch apparatus

Dome clamp for tanker trucks

Foot operated latch for hopper cars

Hatch cover assembly

Hatch cover assembly

Hatch cover lock and hinge

Hatch cover locking means

Hatch cover locking mechanism for covered hopper cars

Hold down latch assembly for hatch covers

Latch assembly for railway car hatch cover

Latch device for railcar hatch covers

Latching mechanism

Self-protecting latch

Threaded closure

Trough hatch locking device

Universal latch system for railroad car hatch covers