4. Pipe joints or couplings
  5. With casing, lining or protector
  6. Lined

Robert Rung

Inventor

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Alarm test device for a sprinkler system

Fluid handling – With indicator – register – recorder – alarm or inspection means – Inspection means
Patent

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Direct connect plumbing fixture

Fire extinguishers – Sprinkler heads
Patent

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Elastomer-lined metal pipe

Pipe joints or couplings – With casing – lining or protector – Lined
Patent

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Flow metering sight glass

Signals and indicators – Indicators – Fluid flow
Patent

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Hingeable segmented pipe couplings

Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent

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Profile ID: LFUS-PAI-P-213190

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