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Permanently sealed threadless joint

Pipe joints or couplings – Deformed – Both members
Patent

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Phase controlled sequential gripping tube fitting

Pipe joints or couplings – Deformed – By separate deformable element
Reexamination Certificate

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Pipe clamp

Pipe joints or couplings – Deformed – Both members
Patent

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Pipe connection having a cutting ring

Pipe joints or couplings – Deformed – By separate deformable element
Patent

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Pipe connection having improved strength

Pipe joints or couplings – Deformed – Both members
Reexamination Certificate

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Pipe connection method and connecting structure

Pipe joints or couplings – Deformed – Outwardly expanded
Patent

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Pipe connector device

Pipe joints or couplings – Deformed – Both members
Reexamination Certificate

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Pipe coupling

Pipe joints or couplings – Deformed
Reexamination Certificate

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Pipe coupling

Pipe joints or couplings – Deformed – By separate deformable element
Patent

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Pipe coupling

Pipe joints or couplings – Deformed – By separate deformable element
Reexamination Certificate

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Pipe coupling

Pipe joints or couplings – Deformed – By separate deformable element
Reexamination Certificate

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Pipe coupling and method of joining materials

Pipe joints or couplings – Deformed – Both members
Patent

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Pipe coupling method and apparatus

Pipe joints or couplings – Deformed
Reexamination Certificate

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Pipe fitting with coupling body and swage ring with kickdown dev

Pipe joints or couplings – Deformed – Both members
Patent

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Pipe fitting with improved coupling body

Pipe joints or couplings – Deformed – Both members
Patent

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Pipe lap joint with collapsible sealing zone and band clamp

Pipe joints or couplings – Deformed – Outwardly expanded
Patent

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Pipe lap joint with improved collapsible slot

Pipe joints or couplings – Deformed – Outwardly expanded
Patent

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Pipe lap joint with improved sealing slot for increased...

Pipe joints or couplings – Deformed
Reexamination Certificate

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Positive seal steel coupling apparatus and method therefor

Pipe joints or couplings – Deformed – Outwardly expanded
Patent

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Postive seal steel coupling apparatus and method

Pipe joints or couplings – Deformed – Both members
Patent

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