4. Pipe joints or couplings
  5. Movable jaw
  6. Wedge bushing

Steven J. Passerell

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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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Heat trap

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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Stab-type coupling with conduit inner diameter seal

Pipe joints or couplings – Movable jaw – Wedge bushing
Patent

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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-1584153

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