4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Haiou Wu

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Automatic flusher with bi-modal sensitivity pattern

Baths – closets – sinks – and spittoons – Flush closet – Urinals only
Reexamination Certificate

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Directional object sensor for automatic flow controller

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Passive sensors and control algorithms for faucets and...

Baths – closets – sinks – and spittoons – Flush closet – With automatic flush responsive means
Reexamination Certificate

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Passive sensors for automatic faucets and bathroom flushers

Valves and valve actuation – Electrically actuated valve – Remote or follow-up control system for electrical actuator
Reexamination Certificate

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Passive sensors for automatic faucets and bathroom flushers

Valves and valve actuation – Electrically actuated valve – Remote or follow-up control system for electrical actuator
Reexamination Certificate

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Profile ID: LFUS-PAI-P-364881

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