Drying and gas or vapor contact with solids – Process – Gas or vapor contact with treated material
Reexamination Certificate
2008-03-25
2008-03-25
Rinehart, Kenneth (Department: 3749)
Drying and gas or vapor contact with solids
Process
Gas or vapor contact with treated material
C034S497000, C034S403000, C034S406000
Reexamination Certificate
active
07347007
ABSTRACT:
A vacuum dryer and method for drying granular or powdery material including at least one canister for holding said material being movable among a series of locations including material heating and vacuum drying locations, means for moving said canister among said locations, and means for directing heating air to a canister for delivery to said canister at a selected position on said canister for heated air passage though material in said canister in a selected direction corresponding to the selected position at which said heated air is delivered to said canister.
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Quinn, Esq. Charles N.
Rinehart Kenneth
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