Ambient temperature shape memory alloy actuator
Anti-freezing device
Antifreeze cap for faucet
Apparatus for and method of freeze protecting plumbing
Apparatus for draining a cooling system
Apparatus for preventing freezing of interior water pipes
Apparatus for preventing water pipe freeze-up
Automatic mechanism for cut-off and drainage of under...
Automatic water line freeze control
Automotive washer system utilizing a freezable washer liquid...