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Class Information
Number: 366/181.3
Name: Agitating > Having specified feed means > Plural related feeders having separate outlets to mixing chamber > Including chute or hopper with gravity discharge to mixing chamber > Including gate, valve, or closure
Description: Subject matter including a valve, gate, or closure for controlling release of material from the chute or hopper.

Patents under this class:

Patent Number Title Of Patent Date Issued
8562204 Apparatus for metering and mixing pourable material components Oct. 22, 2013
8360279 Automatic baby formula preparation device Jan. 29, 2013
8100577 Fluid blending apparatus and associated method Jan. 24, 2012
7938571 Fly ash treatment system and method of use thereof May. 10, 2011
7740399 Dry chemical feeder for a chemical mixing system Jun. 22, 2010
7651671 Method of adding low-pressure gas continuously to supercritical fluid and apparatus therefor Jan. 26, 2010
7621669 Blender for ingredients and flavoring for soft-serve freezer product Nov. 24, 2009
7334937 Impeller vane assembly for liquid/solid blenders Feb. 26, 2008
7178976 Blender for ingredients into soft-serve freezer products Feb. 20, 2007
6974246 Apparatus for blending liquids and solids including improved impeller assembly Dec. 13, 2005
6966688 Apparatus for mixing and dispensing powder Nov. 22, 2005
6905048 Volumetric solid and liquid dispenser Jun. 14, 2005
6863429 Dough mixer with metering device Mar. 8, 2005
6672755 Equipment for mixing a powder with a liquid Jan. 6, 2004
5829873 Apparatus for mixing granular fertilizer and/or lawn treatment liquid in water Nov. 3, 1998
5468066 Apparatus and method for injecting dry particulate material in a fluid flow line Nov. 21, 1995
5275484 Apparatus for continuously processing liquids and/or solids including mixing, drying or reacting Jan. 4, 1994
5186538 Core and molding sand preparation apparatus with adjustable mixing blade Feb. 16, 1993
5145253 Blender for particulate material Sep. 8, 1992
4913554 Lifting apparatus Apr. 3, 1990
4881819 Method and apparatus for preparing concrete mortar Nov. 21, 1989
4876043 Hopper transport for injection molding Oct. 24, 1989
4854714 Blender vehicle apparatus Aug. 8, 1989
4850701 Skid-mounted self-leveling mixer apparatus Jul. 25, 1989
4802141 Self-leveling mixer with mechanical agitation Jan. 31, 1989
4793711 Method and apparatus for the batchwise production of paving mixes containing mineral aggregate and bituminous binder Dec. 27, 1988
4629410 Dual-hopper injection unit for injection molding machine Dec. 16, 1986
4566799 Apparatus for adjusting the quantity of liquid deposited on fine granular materials and method of preparing mortar or concrete Jan. 28, 1986
4561781 Agricultural feed blending apparatus Dec. 31, 1985
4501499 Agglomerator Feb. 26, 1985
4490044 Automatic slurry concentration control system Dec. 25, 1984
4473300 Method and apparatus for blending solids or the like Sep. 25, 1984
4404168 Apparatus for the discontinuous production of articles from foamed plastics Sep. 13, 1983
4390282 Container Jun. 28, 1983
4384787 Method and apparatus for adjusting the quantity of liquid deposited on fine granular materials and method of preparing mortar or concrete May. 24, 1983
4304493 Sand mixer Dec. 8, 1981
4184771 Centrifugal mud mixer Jan. 22, 1980
4144916 Liquid metering funnel apparatus Mar. 20, 1979
4095776 Suction conveying and mixing apparatus Jun. 20, 1978
4087079 Mixing apparatus May. 2, 1978
3948491 Process for blending an additive such as colour pigment etc. with a plastic material and blending apparatus intended to be used for said process Apr. 6, 1976

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