Fire hydrant security systems

Fire hydrant valve guide with locking sleeve and wrench therefor

Fire hydrant with improved weather cap and bonnet arrangement

Freeze-resistant hydrant

Frost-proof fire hydrant

Hydrant protective cap and cover structure and operating wrench

Hydrant securing device

Hydrant security device

Installation device for yard hydrant

Locking fire hydrant

Magnetic fire hydrant guard

Magnetically locked valve

Means for locking replaceable nozzles to fire hydrants

Method and apparatus for removing and replacing the tamperproof

Method and apparatus for securing a fire hydrant or other valve

Operating nut for fire hydrant

Operating wrench for tamperproof hydrants

Pedestal hydrant

Protective fire hydrant guard

Protective shield for fire hydrant