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US794092A
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Apparatus for the manufacture of steam-boiler furnaces and flues.
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US794091A
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Manufacture of steam-boiler furnaces and flues.
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US794090A
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Process of making corrugated furnaces and flues for steam-boilers.
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US794089A
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Manufacture of steam-boiler furnaces and flues.
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GB190402610A
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Improvements in Furnaces and Flues of Steam Boilers.
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GB190328187A
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Improvements in and in the Manufacture of Steam Boiler Furnaces and Flues.
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GB190320493A
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Improvements in and Machinery or Apparatus for the Manufacture of Steam Boiler Furnaces and Flues.
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US794088A
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Apparatus for transversely corrugating tubes.
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GB190308603A
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Improvements in the Manufacture of Steam Boiler Furnaces and Flues.
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GB190303865A
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Improvements in Apparatus for the Manufacture of Corrugated Furnaces and the like.
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GB190302886A
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Improvements in Steam Boiler Furnace or Flue Tubes.
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GB190215900A
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Improvements in and Machinery or Apparatus for the Manufacture of Steam Boiler Furnaces and Flues
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GB190215664A
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Improvements in and Machinery or Apparatus for the Manufacture of Steam Boiler Furnaces and Flues.
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US720418A
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Steam-boiler furnace and flue.
|
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GB190203520A
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Improvements in the Manufacture of Steam Boiler Furnaces and Flues.
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GB190121085A
|
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Improvements in the Manufacture of Steam Boiler Furnaces and Flues.
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GB190103134A
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Improvements in and Machinery or Apparatus for the Manufacture of Large Welded Tubes Suitable for Boiler Flues.
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GB189905949A
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Improvements in Steam Boiler Furnaces or Flues.
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GB189905878A
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Improvements in Steam Boiler Furnaces or Flues.
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GB189904826A
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Improvements in Steam-boiler Flues.
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