Closure lock with inflatable bladder

Closure ring assembly for an open-head drum

Closure ring assembly for steel drums

Closure safety interlock for a pressure vessel

Container clamping ring with improved lever and thumb latch

Container tension ring closure

Cover for port light

Detachable door lock member for hinge side of door

Detentable automatic hatch latch apparatus

Device for closing a pressure vessel

Device for joining and sealing together two enclosures isolated

Device for locking tractor trailer and sea-rail container doors

Device for safety-locking a cover of a housing of a magazine of

Device for the installation and retention of a shutter plate for

Devices for restricting the movement of doors

Disconnectable connecting device for two components with a non-c

Dome clamp apparatus

Dome clamp for tanker trucks

Door blocking device

Door bolting device