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Damage protection for in-ground pipe founded in expansive soils

Pipe joints or couplings – With casing – lining or protector
Patent

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Damper root ring

Pipe joints or couplings – Flexible joint – rigid members – Bellows
Reexamination Certificate

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Damper with integral support

Pipe joints or couplings – With casing – lining or protector – Insulated
Patent

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Damping conduit assembly provided with a connecting unit for...

Pipe joints or couplings – Serial,relatively movable portions – Serial diverse single flow path or line
Reexamination Certificate

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Damping device for coupling together piping elements

Pipe joints or couplings – With casing – lining or protector – Insulated
Patent

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Decorative escutcheon capable of inhibiting the propagation of n

Pipe joints or couplings – Convertible
Patent

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Decoupler for exhaust pipe of automobiles

Pipe joints or couplings – With casing – lining or protector – Insulated
Reexamination Certificate

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Decoupling sleeve for mounting in a motor vehicle exaust pipe

Pipe joints or couplings – With casing – lining or protector – Insulated
Reexamination Certificate

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Deformable fluid supply line

Pipe joints or couplings – Variable length
Reexamination Certificate

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Deformable mechanical pipe coupling

Pipe joints or couplings – Packed – Flanged pipe
Reexamination Certificate

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Deformable mechanical pipe coupling

Pipe joints or couplings – Packed – Flanged pipe
Reexamination Certificate

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Deformable metal-to-metal seal

Pipe joints or couplings – Particular interface – Tapered
Patent

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Deformable pipe coupling having multiple radii of curvature

Pipe joints or couplings – Clamp
Reexamination Certificate

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Dental treatment apparatus

Pipe joints or couplings – Essential catch
Reexamination Certificate

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Detachable connection for a nuclear reactor fuel assembly

Pipe joints or couplings – With means blocking release of holding means – Thread lock
Patent

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Detachable fast-coupling having an automatic assembly indicator

Pipe joints or couplings – With indicator – alarm or inspection means
Reexamination Certificate

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Detachable high-pressure flow path coupler

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

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Detachable hose assembly with debris cavity

Pipe joints or couplings – Side slide
Patent

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Detachable hose coupling

Pipe joints or couplings – Essential catch – With manipulator
Patent

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Detachable hose coupling having improved interlocking staple

Pipe joints or couplings – With leakage or drip disposal
Reexamination Certificate

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