4. Pipe joints or couplings
  5. Packed
  6. Externally with clamp

Dave Robison

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Gas riser with free rotating plastic riser casing

Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes
Reexamination Certificate

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Pipe coupling assembly

Pipe joints or couplings – Packed – Externally with clamp
Patent

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Stab-type coupling with collet having locking ribs and...

Pipe joints or couplings – Packed – Wedge
Reexamination Certificate

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Structure for converting a mechanical joint to a fusion joint

Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1722535

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