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US4441550A
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Cross-over bundle for heat exchanger
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Augmented heat transfer method and apparatus
|
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Combined cycle power plant with circulating fluidized bed heat transfer
|
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|
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Expansion and contraction means for a heat exchanger
|
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Method of making pressure vessels
|
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GB895690A
|
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Improvements in or relating to the preparation of sodium carbonate
|
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GB890811A
|
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Wet process for phosphoric acid manufacture
|
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Process for the preparation of fresh water from sea water
|
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Boiler
|
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Production of soda ash
|
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Process for concentration of caustic cell liquor
|
|
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|
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Inhibition of scale formation in the recovery of ammonia in the ammoniasoda process
|
|
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|
|
Wet process for phosphoric acid manufacture
|
|
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|
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Method of mixing, vacuum drying, and pulverizing an ortho-cellutone dye
|
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|
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Fire tube boiler having removable smoke box closure
|
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|
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Tube sheet and smoke box for horizontal flue boiler having return fire tubes
|
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|
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Closure and operating means therefor
|
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|
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Machine for flanging cylindrical shells
|
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|
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Evaporator
|
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US2378474A
|
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Steering mechanism
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