Tamper resistant construction for hydrant actuating nut
Tamper resistant valve actuator for fire hydrant
Tamper-evident cap for securing refrigerant service ports
Tamper-proof ball valve
Tamper-proof cover for the operating nut of a fire hydrant
Tamper-proof handle extension for quarter turn valves
Tamper-proof hydrant cover
Tamper-proof locking system for fire hydrants
Tamper-proof valve
Tamper-resistant fluid connector
Tamperproof cap assembly for hydrant
Tamperproof construction for hydrant actuating nut
Tamperproof coupling
Tamperproof fire hydrants
Tamperproof hydrant lock with controlled shock absorber
Tamperproof lock with shock absorber
Tandem control valve
Tank and a method for storing an easily polymerizable compound
Tank ball valve having depending sleeve and handle attached to t
Tank blanketing system