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Access door

Pipes and tubular conduits – With closures and plugs – Lateral opening
Patent

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Access door construction

Pipes and tubular conduits – With closures and plugs – Lateral opening
Patent

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Access mounting flange for cold temperature chemical processing

Pipes and tubular conduits – With closures and plugs – Lateral opening
Patent

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Access plug flange

Pipes and tubular conduits – With closures and plugs – Lateral opening
Patent

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Access plus with sealing for high temperature equipment

Pipes and tubular conduits – With closures and plugs – Lateral opening
Patent

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Accessible test fitting for a plumbing system

Pipes and tubular conduits – With closures and plugs – Test plugs
Reexamination Certificate

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Activating mechanism

Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent

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Adhesive bonded hydrotest plug and method for using the same

Pipes and tubular conduits – With closures and plugs – Test plugs
Patent

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Adjustable cleanout plumbing fitting

Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent

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Adjustable nozzle dam assembly and method of installing same

Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent

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Air duct plug

Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent

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Anchor mount

Pipes and tubular conduits – With closures and plugs
Reexamination Certificate

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Annular tube-like driver

Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent

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Apparatus and method for damming a pipeline

Pipes and tubular conduits – With closures and plugs – Inflatable
Patent

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Apparatus and method for isolating and testing a segment of...

Pipes and tubular conduits – With closures and plugs
Reexamination Certificate

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Apparatus for blocking fluid flow through a conduit

Pipes and tubular conduits – With closures and plugs – Inflatable
Patent

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Apparatus for blocking fluid flow through a conduit responsive t

Pipes and tubular conduits – With closures and plugs – Inflatable
Patent

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Apparatus for capping an air vacuum outlet

Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent

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Apparatus for closing side openings into pipelines

Pipes and tubular conduits – With closures and plugs – Laterally insertable
Patent

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Apparatus for controlling flow through a conduit

Pipes and tubular conduits – With closures and plugs – Laterally insertable
Reexamination Certificate

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