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Class Information
Number: 34/565
Name: Drying and gas or vapor contact with solids > Apparatus > With automatic control > Of flow of gas or vapor treating fluid
Description: Apparatus wherein the movement of the material treating gas or vapor is controlled.

Sub-classes under this class:

Class Number Class Name Patents
34/567 Exhaust controlled by solvent concentration 6
34/569 Of circulation means 11
34/568 Steam pressure controlled 19
34/566 With diverter means to alternate flow paths 29
34/571 With flow control dampers at outlet 24
34/570 With flow control valve 36

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4831747 Continuous drier for veneer May. 23, 1989
4750434 Mill/dryer gas temperature control Jun. 14, 1988
4696115 Method and apparatus for drying wet particulate material to a predetermined uniform moisture content Sep. 29, 1987
4660298 Process for the temperature control of a drying apparatus Apr. 28, 1987
4656758 Paint drying furnace Apr. 14, 1987
4624059 Method and plant for cooling pellets Nov. 25, 1986
4573353 Method and apparatus for obtaining a nozzle velocity profile of a tenter oven Mar. 4, 1986
4568417 Control system for prilling towers Feb. 4, 1986
4561193 Nozzle arrangement for a vehicle drying installation Dec. 31, 1985
4549960 System for conditioning grain and maintaining same Oct. 29, 1985
4441261 Method and apparatus for cooling hot bulk material Apr. 10, 1984
4434563 Method and apparatus for drying tobacco Mar. 6, 1984
4365425 Controlled curing of air-permeable bonded webs Dec. 28, 1982
4360976 Dry cooling of coke Nov. 30, 1982
4336660 Drying of tobacco products Jun. 29, 1982
4247989 Method for identifying and maintaining a dormancy index in stored grain Feb. 3, 1981
4241515 Method and apparatus for conditioning tobacco Dec. 30, 1980
4141155 Method and apparatus for drying and cooling products of a granular nature Feb. 27, 1979
4053991 Automatic control for maintaining equilibrium temperature/moisture between stored grain and atmosphere Oct. 18, 1977

1 2

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