4. Electricity: circuit makers and breakers
  5. Special application
  6. Actuated concurrently with operation or use of art device

David L. Royse

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Single-piece manifold

Fire extinguishers – Alarms
Reexamination Certificate

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Single-piece manifold with reduced pressure arrangement

Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Reexamination Certificate

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Universal valve switch

Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Reexamination Certificate

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Universal valve switch

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

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Valve monitoring switch assembly

Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent

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Profile ID: LFUS-PAI-P-1883323

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