US1857618A
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Apparatus for cooling coke
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US1890056A
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Gas producer
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US1778706A
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Electrical supervisory system for automatic control water-gas machines
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US1705670A
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Clamp for positioning and holding beams for welding
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US1854407A
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Means for preheating coal and cooling coke
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US1897950A
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Gas generator
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US1758891A
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Automatic oil control for carbureted water-gas sets
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US1812513A
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Vertical fire tube boiler
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US1632758A
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Process of purifying gas
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US1794605A
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Mechanically-clinkered gas generator
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US1767564A
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Carburetor for carbureted water-gas apparatus
|
US1893468A
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Apparatus for cooling coke
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US1822547A
|
|
Process of manufacturing gas
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US1767579A
|
|
Water-gas apparatus
|
US1809333A
|
|
Water gas generator
|
US1677102A
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|
Automatic control for water-gas sets
|
US1592175A
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Electric insulation for metal pipes
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US1584916A
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Means for preventing pitch deposit in hydraulic mains
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US1808214A
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Method of making water gas
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US1828461A
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Manufacture of water gas
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