4. Pipe joints or couplings
  5. Particular interface

David W. Arola

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Fluid coupling

Pipe joints or couplings – Particular interface
Patent

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Rapid fitting devices for joining pipes

Pipe joints or couplings – Essential catch – With manipulator
Patent

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Swivel joint

Pipe joints or couplings – For branched path – T-type
Patent

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Tube union

Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent

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