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Class Information
Number: 366/266
Name: Agitating > Stirrer within stationary mixing chamber > Pump type > Screw
Description: Subject matter wherein the pump is a continuous helical ribbon rotatable about its longitudinal axis to produce the pumping action.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8425109 Ice fishing hole maintenance system Apr. 23, 2013
8398293 Apparatus having sweeping impeller for mixing viscous material Mar. 19, 2013
8091473 Juice extractor Jan. 10, 2012
7946753 Rotatable mixing device and dynamic mixing method May. 24, 2011
7775703 Stirring apparatus and method of use of said apparatus Aug. 17, 2010
7662281 Apparatus for treating sludge Feb. 16, 2010
7230037 Method for mixing a polyol component and an isocyanate component Jun. 12, 2007
7178977 Homogenizer Feb. 20, 2007
6585405 Mixing liquids and entrainment mixing of vapor into liquids Jul. 1, 2003
6575615 Livestock mixer and feeder Jun. 10, 2003
6398402 Disposable disruptor agitator tool having a bladed rotor disposed in a stator Jun. 4, 2002
6349570 In-barrel wetting screw charger Feb. 26, 2002
6146613 Method of zeolite synthesis with homogeneous shaking out of the medium, device and application Nov. 14, 2000
5961212 Screw with continuous and discontinuous blades for water processing apparatus Oct. 5, 1999
5941634 Polymer mixing apparatus and method Aug. 24, 1999
5899566 Reactor for corrosive reaction mixtures May. 4, 1999
5758964 Loop reactor apparatus for mixing a substance Jun. 2, 1998
5727742 Food mixer incorporating an archimedean screw and cutting blades Mar. 17, 1998
5718510 Paste production and storage apparatus Feb. 17, 1998
5358328 Mixing device Oct. 25, 1994
5338115 Mixing device for materials with large density differences Aug. 16, 1994
5282680 Apparatus for continuous polymerization Feb. 1, 1994
5124073 Continuous preparation of aqueous non-self-emulsifying polymer dispersions Jun. 23, 1992
5100303 Agitator and pump assembly Mar. 31, 1992
5073313 Process for producing low-dust-level polycarbonate molded article Dec. 17, 1991
5020918 Mixer trailer for fibrous products Jun. 4, 1991
5011396 Quick coupling device for exchanging plasticizing unit of an injection molding machine Apr. 30, 1991
4968349 Method for producing hardened cement mineral material, especially concrete, and an apparatus for implementation of the method Nov. 6, 1990
4900158 Granita production machine Feb. 13, 1990
4847007 Device for bonding wastes in a binder Jul. 11, 1989
4793767 Device for pumping highly-viscous material, in particular thick oil Dec. 27, 1988
4770623 Plastification cylinder for injection molding machines Sep. 13, 1988
4767303 Extruding apparatus for extruding synthetic resin Aug. 30, 1988
4745068 Dispersion tool May. 17, 1988
4647215 Ragless propeller draft tube mixer Mar. 3, 1987
4594006 Apparatus for mixing and pumping slurry Jun. 10, 1986
4575256 Ragless propeller draft tube mixer Mar. 11, 1986
4500209 Feed mixing apparatus Feb. 19, 1985
4441824 Portable waste agitator Apr. 10, 1984
4391529 Apparatus for mixing and degassing components of synthetic resins, particularly thermo-setting synthetic resins Jul. 5, 1983
4350444 Apparatus for mixing materials such as fertilizer components Sep. 21, 1982
4278460 Method and apparatus for mixing and homogenizing molten glass Jul. 14, 1981
4159880 Circulation mixer Jul. 3, 1979
4151932 Distribution tower for particulate material May. 1, 1979
4134690 Mixer blade for a mixer tank Jan. 16, 1979
4112519 Vented injection molding machine and method Sep. 5, 1978
4103354 Process and apparatus for vacuum treatment of viscoplastic materials Jul. 25, 1978
4101116 Apparatus for mixing granulated and/or pulverous materials Jul. 18, 1978
4040768 Mixing, conveying heating and/or cooling apparatus Aug. 9, 1977
4007016 Continuous-flow reactor for high viscosity materials Feb. 8, 1977

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