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Class Information
Number: 34/189
Name: Drying and gas or vapor contact with solids > Apparatus > Elevator type
Description: Apparatus including mechanism acting to elevate or lower material by gripping the material or supporting removable material carriers, such as trays, so that the carriers may be elevated or lowered during treatment or the mechanism may be used to load or unload the apparatus, plus positive means to treat the material. The trays or supports usually move vertically and in superimposed relation.

Sub-classes under this class:

Class Number Class Name Patents
34/190 Plural 5

Patents under this class:

Patent Number Title Of Patent Date Issued
8561319 Industrial automatic production method for sludge dewatering into a dry sludge powder and equipment thereof Oct. 22, 2013
6826849 Contamination-free photoreceptor drying apparatus Dec. 7, 2004
6438866 Flow disrupter for dryers Aug. 27, 2002
6170169 Device for drying substrates Jan. 9, 2001
5632097 Brine shrimp cyst drying device May. 27, 1997
5557857 Apparatus for the aftertreatment of photopolymerizable printing plates Sep. 24, 1996
5552262 Process for production of photopolymerizable flexographic printing plates Sep. 3, 1996
5339537 Continuous drier for flat piece material Aug. 23, 1994
5143663 Stereolithography method and apparatus Sep. 1, 1992
4767639 Baking apparatus and process Aug. 30, 1988
4750276 Impingement thermal treatment apparatus with collector plate Jun. 14, 1988
4622903 Sewage screenings disposal system Nov. 18, 1986
4466791 Single vapor condensation soldering facility Aug. 21, 1984
4358170 Group storage tower for storing stacks, groups of elements or pasted battery plates in a dust-free manner Nov. 9, 1982
4249316 Method and installation for drying moulded pulverulent products Feb. 10, 1981
4209917 Apparatus for supporting articles during exposure to a gaseous or vaporous medium Jul. 1, 1980
4126947 Settling and drying apparatus Nov. 28, 1978
4077528 Treatment plant Mar. 7, 1978
4058908 Apparatus for drying flat printed material Nov. 22, 1977

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