Fluid handling – Systems – Programmer or timer
Patent
1992-04-07
1993-12-07
Rivell, John
Fluid handling
Systems
Programmer or timer
137486, 1374875, 137495, F16K 3105
Patent
active
052675874
ABSTRACT:
The present invention provides an automatic monitoring and shutoff system for utilities which allows the user to set the system to permit certain uses of gas or water without triggering the shutoff, depending on whether the user is home or away, and is able to provide for specific usual or unusual uses.
REFERENCES:
patent: 3416560 (1968-12-01), Bruno
patent: 4180088 (1979-12-01), Mallett
patent: 4249565 (1981-02-01), Brust
patent: 4252088 (1981-02-01), Frisby
patent: 4589435 (1986-05-01), Aldrich
patent: 4730637 (1988-03-01), White
patent: 4911200 (1990-03-01), Ben-Arie
patent: 4926901 (1990-05-01), Waltenburg
patent: 5004014 (1991-04-01), Bender
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