4. Pipe joints or couplings
  5. Essential catch

Arne H. Hansen

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Fitting with biased locking device for coupling pipes

Pipe joints or couplings – Essential catch – With manipulator
Patent

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Fitting with tangential locking rod for coupling pipes

Pipe joints or couplings – Essential catch
Patent

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Method for preventing formation of calcareous deposits on seawat

Chemistry: electrical current producing apparatus – product – and – Process of cell operation
Patent

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On-off sprinkler head having an offset drive motor

Fire extinguishers – Automatic valves
Patent

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Rapid installation fitting for plain end pipe

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

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Profile ID: LFUS-PAI-P-609921

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