Fluid handling – Freeze condition responsive safety systems – Low temperature responsive drains
Patent
1991-11-25
1993-06-22
Walton, George L.
Fluid handling
Freeze condition responsive safety systems
Low temperature responsive drains
122504, 137357, 137365, 138 32, 138 33, 237 80, 417 43, F16K 3164, E03B 712
Patent
active
052209377
ABSTRACT:
A water freeze prevention device is provided and includes a mechanism that is installed between a water meter and incoming water pipes to drain the water pipes to prevent the water pipes from freezing during severe cold weather conditions.
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patent: 4280478 (1981-07-01), Duval et al.
patent: 4360036 (1982-11-01), Shelton
patent: 4672990 (1987-06-01), Robillard
patent: 4730637 (1988-03-01), White
patent: 4848389 (1989-07-01), Pirkle
Roberts Dale W.
Spector George
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