CA2170933A1
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Pulsed infrared sensor to detect the presence of a person or object whereupon a solenoid is activated to regulate liquid flow
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US5508510A
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Pulsed infrared sensor to detect the presence of a person or object whereupon a solenoid is activated to regulate fluid flow
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US5033508A
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Sensor operated water flow control
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US4972070A
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Sensor operated water flow control with separate filters and filter retainers
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US4891864A
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Disabler and activation system for plumbing fixture
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US4793588A
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Flush valve with an electronic sensor and solenoid valve
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US4872485A
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Sensor operated water flow control
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US4805247A
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Apparatus for preventing unwanted operation of sensor activated flush valves
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US4802246A
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Disabler and activation system for plumbing fixture
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US4709427A
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Disabler system for plumbing fixture
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US3202396A
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Pilot operated diaphragm flush valve
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US2389599A
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Swing spout mixing faucet
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