Dome clamp apparatus

Doorbar system

Drum container closing ring assembly

Drum lock device

Drum lock mechanism

Electric meter socket sealing ring

Fast-acting clamping device for releasably connecting two compon

Fuel sender locking ring

Fuel sender locking ring

Grating fastener

Keyless locking device and method

Lockable ring assembly for electric meter

Locking ring assembly for utility meters

Locking ring for electrical measuring device

Meter locking ring for use with multiple locks

One piece locking belt

One piece meter locking ring for use with multiple locks

Opposing hook latch

Plastic locking ring and method of making

Reactor clamp