Fluid handling – Systems – Flow path with serial valves and/or closures
Reexamination Certificate
2006-12-19
2006-12-19
Lee, Kevin (Department: 3753)
Fluid handling
Systems
Flow path with serial valves and/or closures
C137S801000, C251S129040, C004S623000
Reexamination Certificate
active
07150293
ABSTRACT:
A hands-free faucet comprises a proximity sensor, a logical control, a handle including a first touch control, a second touch control, and a mode indicator. The logical control has a manual mode (wherein the proximity sensor is inactive, and water flow is toggled on and off by positioning the handle) and a hands-free mode (wherein water flow is toggled on and off in response to the proximity sensor). The first touch control puts the faucet in the hands-free mode when touched by a user. The second touch control toggles the logical control between the hands-free mode and the manual mode when touched by a user. The mode indicator indicates which mode the faucet is presently in. The water flow has a temperature and a flow rate that are determined by the position of the handle.
REFERENCES:
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patent: 6363549 (2002-04-01), Humpert
patent: 6962168 (2005-11-01), McDaniel et al.
TOTO Products, “Commercial Faucets”, 2 pages.
ZURN Plumbing Products Group, 07Aquasense Sensor Operated Faucets, 2 pages.
Sloan, Optima i.q. Faucet, 1 page.
Symmons, “Ultra-Sense S-6080”, 1 page.
Technical Concepts, AutoFaucet® with “Surround Sensor” Technology, 1 page.
Lee Kevin
Masco Corporation of Indiana
Woodard Emhardt Moriarty McNett & Henry LLP
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