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CA136284A
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Pipe casting apparatus
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CA129712A
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Machinery for moulding pipes
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US972108A
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Pipe-foundry plant.
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US972107A
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Apparatus for use in casting pipes.
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US997293A
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Machine for making cores.
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US966546A
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Bogie or truck for pipe-foundry plants.
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GB190812488A
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Improvements in Machines for Making Moulding Cores.
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GB190726390A
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Improvements in Foundry Plant for the Vertical Moulding and Casting of Pipes.
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US877999A
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Machine for making sand molds.
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CA103786A
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Machine for making sand moulds
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US877998A
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Machine for forming sand molds.
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GB190617541A
|
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Improvements in Machinery for Forming Moulds for Casting Metal Pipes.
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GB190607043A
|
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Improvements in Machinery for Forming Moulds for Casting Metal Pipes.
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GB190526786A
|
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Improvements in Machinery for Forming Moulds for Casting Metal Pipes.
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US878064A
|
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Molding-machine.
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GB190309268A
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Improvements in Watering Tubs for Laying Dust in Coal Mines, and the like.
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GB190116081A
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Improvements in Pencil Sharpeners.
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GB189905247A
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Connection Between Hydrants and Existing Tapered Fire Plug Branches for Water and other Mains or Pipes.
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GB189826194A
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Machine for Moulding Spigot and Socket Pipes, Flange Pipes, and the like.
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GB189814001A
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Improvements in the Manufacture of Steel, Cast Iron and other Pipes and Tubes.
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