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Class Information
Number: 34/167
Name: Drying and gas or vapor contact with solids > Apparatus > Gravity flow type > Plural gravity path, plural feed, and/or discharge
Description: Apparatus having two or more separate gravity feed paths and either, or both, (1) two or more separate feeding means to two or more of such paths, or (2) two or more separate discharge means from two or more of such paths.

Patents under this class:
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Patent Number Title Of Patent Date Issued
4471536 Device for drying coal Sep. 18, 1984
4458428 Glass batch pellet production and drying process and apparatus Jul. 10, 1984
4424634 Modular column dryer for particulate material Jan. 10, 1984
4423557 Gravity flow dryer for particulate material having channelized discharge Jan. 3, 1984
4407653 Apparatus for heating solid heat-carrying bodies Oct. 4, 1983
4398356 Multi-stage dryer for particulate material Aug. 16, 1983
4387652 Furnace Jun. 14, 1983
4347670 Apparatus and process for drying granular products Sep. 7, 1982
4294019 Grain drying apparatus Oct. 13, 1981
4256174 Apparatus for heating and cooling sand Mar. 17, 1981
4248603 Method and tank for producing hot briquettes Feb. 3, 1981
4215487 Drying equipment Aug. 5, 1980
4212114 Apparatus for preheating solid particulate material Jul. 15, 1980
4199872 Regeneration apparatus for producing sulfur dioxide Apr. 29, 1980
4193760 Apparatus and method for heating a plurality of solids Mar. 18, 1980
4152841 Flow control meters for gravity flow particle dryers May. 8, 1979
4141155 Method and apparatus for drying and cooling products of a granular nature Feb. 27, 1979
4125945 Multiple stage grain dryer with intermediate steeping Nov. 21, 1978
4095953 Modular system for reducing sulfur dioxide Jun. 20, 1978
4020561 Method and apparatus for drying grain May. 3, 1977
3943636 Apparatus for drying grain Mar. 16, 1976

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