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GB619021A
|
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Improvements in or relating to operating mechanism for the doors of furnaces, coke-ovens and the like
|
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GB619009A
|
|
Improvements in or relating to bucket conveyors
|
|
GB609335A
|
|
Improvements in or relating to coke oven structures
|
|
GB601785A
|
|
Improvements in or relating to the emulsification of coal tars
|
|
GB601784A
|
|
Improvements in or relating to the manufacture of road tar
|
|
US2468514A
|
|
Apparatus for the recovery of crude benzole from benzolized wash-oil
|
|
GB584593A
|
|
Improvements in liquid-sealed closures for vertical retorts or furnaces
|
|
US2404187A
|
|
Tubular heat exchange apparatus
|
|
GB576704A
|
|
Improvements in devices for lubricating conveyors
|
|
GB575853A
|
|
Improvements in horizontal coke ovens
|
|
GB580108A
|
|
Improvements in distillation processes
|
|
GB568937A
|
|
Improvements in tubular heat exchange apparatus
|
|
GB567307A
|
|
Means for controlling the flow of gases through ducts
|
|
GB569166A
|
|
Brick for constructional purposes
|
|
GB563611A
|
|
Improvements in the construction of retorts, furnaces, and the like apparatus
|
|
GB569416A
|
|
Purification of hydrocarbons by azeotropic distillation
|
|
GB562998A
|
|
Improvements in the construction of retorts for the heat-treatment of materials, furnaces, kilns, and the like apparatus
|
|
US2386755A
|
|
Purification of hydrocarbons by azeotropic distillation
|
|
GB559496A
|
|
Improvements in arrangements for filling skips or buckets with materials
|
|
GB558674A
|
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Improvements in the production of road tars
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