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Harald Philipp: Time domain capacitive field detector. David Kiewit, March 24, 1998: US05730165 (632 worldwide citation)

A capacitive field sensor, which may be used for the control of a water supply valve in a basin or fountain, employs a single coupling plate to detect a change in capacitance to ground. The apparatus comprises a circuit for charging a sensing electrode and a switching element acting to remove charge ...


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Harald Philipp: Adaptive faucet controller measuring proximity and motion. David Kiewit, October 22, 1996: US05566702 (244 worldwide citation)

An electronically controlled automatic faucet has a pulsed infrared beam intersecting the water stream discharged by the faucet. Infrared signals reflected from the water stream are thus detected in addition to any signals reflected from a user's hand(s). A reasonable approximation of the signal rec ...


4
Joseph J Pilolla: Spray head for automatic actuation. Sloan Valve Company, Kinzer Plyer Dorn McEachran & Jambor, March 12, 1991: US04998673 (162 worldwide citation)

A water spray head for a shower or sink includes means for emitting and receiving signals for automatic operation in response to the presence of a user. The means are positioned such that the stream of water surrounds the emitting and receiving means. The emitting and receiving means includes condui ...


5
Daniel C Shaw: Wash station and method of operation. Bauer, Shlesinger Arkwright Garvey, July 16, 1991: US05031258 (143 worldwide citation)

A wash station comprises a sink and a faucet. A source of water and a source of soap are provided. An electrically operated valve is interposed between the water source and the faucet for selectively supplying water thereto, and a pump and valve are interposed between the soap source and the faucet ...


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John R Wilson: Automatic faucet. Sloan Valve Company, Kinzer Plyer Dorn McEachran & Jambor, June 25, 1991: US05025516 (143 worldwide citation)

A faucet for automatic operation defining a base and an elongated cantilvered spout body provided with a discharge outlet. A sensing means for automatic operation in the form of an emitter and detector are mounted on the spout body intermediate the base and discharge outlet. The emitter and detector ...


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Elkins Christopher W, Ruehmann Donald W: Bracket assembly for hand-held showerhead. Teledyne, Teledyne Aqua Tec Company, Drake Hugh H, February 11, 1975: US3865310 (122 worldwide citation)

A bracket assembly couples a hand-held showerhead to a stationary supply pipe and provides a readily engaged or disengaged stationary mounting for the showerhead. The bracket assembly includes a pair of C-shaped clamping arms hingedly connected at one end to each other, each arm in turn being pivota ...


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Anton J Kolar, Andrew J Paese, David J Richter O&apos Connell, Steven M Tervo, Carter J Thomas, William R Burnett, David C Shafer, Fred Judson Heinzmann: Advanced touchless plumbing systems. Kohler Company, Merchant & Gould P C, June 26, 2001: US06250601 (116 worldwide citation)

The present invention is a system for controlling a plumbing fixture. The system includes at least two sensors, each sensor including a receiver, and a controller coupled to receive detection signals from the sensors and to generate a control signal in response to the received signals. An actuator i ...


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Roderick A Williams: Water flow and temperature controller for a bathtub faucet. Kenneth L Tolar, November 9, 1999: US05979776 (114 worldwide citation)

A temperature and flow controller for a bath tub or shower is disclosed. The device includes a panel that replaces or surrounds the standard bath tub water valves. Within the panel is a control assembly in communication with temperature sensors in the shower head and the bath tub faucet as well as c ...


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Jerome M Gauthier, Nhon T Vuong, Mark J Sippel: Method and apparatus for properly sequenced hand washing. Sloan Valve Company, Dorn McEachran Jambor & Keating, October 19, 1999: US05966753 (113 worldwide citation)

An apparatus and method for controlling plumbing fixtures includes an electronic control board having a microprocessor that accepts four inputs and produces four outputs. Inputs at other than the microprocessor's operating voltage are converted thereto. Outputs having different voltages are controll ...



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