|
US1779443A
|
|
Coke-oven door-operating and pusher machine
|
|
US1438258A
|
|
Retort bench and process of operating the same
|
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US1345905A
|
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Process of and apparatus for producing hydrogen
|
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US1147103A
|
|
Gas-bench.
|
|
US1185602A
|
|
Retort-bench.
|
|
US1235774A
|
|
Process of and apparatus for producing gas.
|
|
US1222741A
|
|
Process of heating and apparatus therefor.
|
|
US1055334A
|
|
Process of making gas.
|
|
US1012120A
|
|
Process of operating gas-producers.
|
|
US888622A
|
|
Gas-retort collar.
|
|
US844336A
|
|
Apparatus for cooling liquids.
|
|
US1014654A
|
|
Apparatus for the manufacture of gas.
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