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...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!

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Class 366/308 - Collapsible articulated stirrer


Subclass of Class 366 - Agitating
Definition: Subject matter wherein the rotatable stirrer has means for
No. of patents: 36
Last issue date: 12/20/2011


NumberTitleIssue Date
8079753Agitator tool for progressive cavity pump
The invention relates to an agitator tool for use with a progressive cavity pump for agitating a slurry of sand, heavy oil or water. The agitator tool has an elongate body having a lower end, an upper end, and a plurality of longitudinal grooves spaced between the l...
12/20/2011
7441940Collapsible mixing wand
A collapsible mixing wand includes an elongate shaft having a longitudinal axis therealong, a free end and a mixer attachment end; a mixer assembly attached to the elongate shaft at the mixer attachment end thereof by a fixing mechanism, for rotation relative to the...
10/28/2008
7229206Geometric and perforated paint mixer and paint roller cleaner
The present invention sets forth an implement which enables the user to mix paint, clean the can and can lip, and to clean conventional paint rollers utilizing a hand drill. The implement is selectively adjustable to be configured to mix paint in large and small con...
06/12/2007
7213644Cavity positioning tool and method
In accordance with the teachings of the present invention, a method is provided for preventing formation of sludge in a subsurface cavity having particulate laden fluid disposed therein. The method includes positioning a downhole device having a fluid agitator into ...
05/08/2007
6964511Mixing apparatus and method
A mixing apparatus including a frame, a housing, and a pair of thrust generators are disclosed. The housing is pivotably mounted to the frame and is movable between a retracted position substantially parallel with the frame and an extended position substantially per...
11/15/2005
6749331Fluid driven rotary agitator with suction conduit
Disclosed is a mixer consisting of a receptacle and an agitator capable of agitating material in the receptacle and conducting material to and from the receptacle. The agitator includes an engine, at least one agitator element disposed in the receptacle, and a drive...
06/15/2004
6616323Food blending apparatus
The invention concerns apparatus for blending and dispensing food products within a container, which may be disposable. The container 1 is charged with food product through its upper opening which is then sealed with a closure member 2. The closure member...
09/09/2003
6419385Hand paint mixer
A hand paint mixer having a one-piece lid with integral spout, vent and release tab, a one-piece shaft with integral hand crank, and a one-piece impeller having elongated Z-shaped blades. The Z-shaped blades are pivotally connected to the lower end of the...
07/16/2002
6379034Device for emptying transport and storage containers for liquids
A device for emptying a storage and transport container for liquids has a base frame, a pivot frame pivotably connected to the base frame, and a pivot drive connected to the pivot frame. The pivot frame has an initial low position and an upper pivot end p...
04/30/2002
6305837Installation for immersing the grape in its juice in a vinification tank
An installation for immersing the grape in its juice in a vinification tank includes a support installed over an opening of the tank. A paddle is moved on the support by a rod between a top area which in use is above the juice and a bottom area which in u...
10/23/2001
6247837Stir stick
There is provided a new and useful device for use in stirring liquid within a container which container has an opening with a smaller circumference than a circumference of a body of the container. The device comprises a cylindrical rod having a first end ...
06/19/2001
6161954Mud mixing machine and coupler
An apparatus for mixing powdered or premixed drywall joint compound and water to form a joint compound mixture or slurry includes a portable container rig with a container, pumping components, and mixing components on a dolly. A mixing element rests withi...
12/19/2000
6076958Impeller with folding blade and method for using the same
An impeller mixer assembly is provided for stirring a radioactive material in a vessel having a combination of liquid and solid substances, until that combination turns into a liquid slurry that can be pumped out of the vessel. The impeller mixing assembl...
06/20/2000
5941636Mixer having mixing blades capable of expanding automatically
A mixer is composed of a base, a drive shaft, a plurality of blade seats and mixing blades. The base is engaged with the opening of a liquid container and fastened with a circular body which is fitted over the drive shaft such that the drive shaft is slan...
08/24/1999
5885001Agitator assembly with a retractable blade assembly
An agitator assembly for use in conventional food and beverage processing vats. The agitator assembly generally includes a shaft and a retractable blade assembly secured to a second end of the shaft. A first end of the shaft is securable to the agitator d...
03/23/1999
5501371Mixing syringe
This invention relates to a mixing syringe capable of storage of a plurality of compounds that provides for selectively mixing the components, the mixing portion having a first position for separating the components within the storage area, a second posit...
03/26/1996
5489151Portable mixing device for use with fluid container having threaded opening
A portable fluid-mixing device. The fluid-mixing device comprises a container insert, an elongated shaft, a one-piece propeller, a wrench, a jam nut, and a crank. External threads of the insert are removably engageable with internal threads of an opening ...
02/06/1996
5411331Device for promoting gravity flow of non-free-flowing solids
A device for promoting gravity flow of zirconium tetrachloride and other non-free-flowing solids has a rotatable shaft. At least two flexible lengths have first ends attached to and axially spaced on the shaft and also distal second ends. A collar is slid...
05/02/1995
5366289Portable agitator for fluidizing bottom solids in tanks
A portable agitator is provided for fluidizing contents of a tank car that has settled during shipment. The agitator includes a column that can extend into a tank car through a manway, a wedging assembly for holding the column in place in the tank between...
11/22/1994
5326167Laboratory flask stirrer assembly attachable with a nut and bolt
A stirring system for stirring contents in a laboratory flask having a round or spherical bottom and a reduced neck includes a stirrer shaft manufactured with a ring at the lower end thereof which permits attachment of a blade with a nut and bolt made of ...
07/05/1994
5282681Portable agitator for fluidizing bottom solids in tanks
A portable agitator is provided for fluidizing contents of a tank car that has settled during shipment. The agitator includes a column that can extend into a tank car through a manway, a wedging assembly for holding the column in place in the tank between...
02/01/1994
5208050Mixing orifice extruder
A frozen yoghurt or ice cream dispensing system is presented. This system costs a small fraction that of the state of the art dispensing system, yet it is more versatile and puts out a better product, than the state of the art systems. A pre-formed "hard"...
05/04/1993
5197803Mixer with movable wiper
A mixer is mechanically self cleaned without using solvents. A housing defines a mixing chamber with a fluid pressurized mixer head rotatably supported within the housing. The mixer head has retractable mixing paddles. A wiper scrubs material from the mix...
03/30/1993
5192131Stirring device
An elongate inner tubular sleeve is slidably mounted within an outer tubular sleeve, with the inner sleeve mounting a plurality of actuator links to permit axial displacement of the inner sleeve relative to the outer sleeve, wherein the inner sleeve pivot...
03/09/1993
5183336Stirring assembly
For use with large size containers having narrow entrance openings, the stirrer blade is mounted on a support rod for pivotal movement from an angled position which permits insertion into the narrow entrance opening to a perpendicular position suitable fo...
02/02/1993
4981367Portable mixing apparatus
Portable mixing apparatus is disclosed which is specially adapted for use in containers such as standard 55 gallon drums and the like which have an opening or "bung" near an edge of the container. A mounting plate is provided which has a threaded end secu...
01/01/1991
4880146Drop dispenser which automatically stirs the contents of the dispenser when the cap is removed
An improved drop dispenser comprised of a container having a threaded cap and a drop nozzle/impeller assembly positioned inside said container. The cap has a receiving orifice which receives and engages the end of drop nozzles so that when the cap is remo...
11/14/1989
4872764Cocktail shaker
A beverage processing apparatus consisting of an outer housing having an upper portion and a lower portion which together form a closed processing vessel for containing a beverage mixture, the upper portion containing a driving motor that drives the shaft...
10/10/1989
4836687Waste pit stirrer
An adjustable stirring device for agitating non-homogeneous waste materials in structures having ingress/egress ports of a predetermined size. The device has a collapsible agitator assembly with a size greater than that of the ingress/egress port when in ...
06/06/1989
4676654Agitator device
An agitator device for charging gas into PUR-components and for the homogenization of the PUR-components and the gas for the production of a foam material includes a pressure vessel for containing the mixture of components and gas with a stirring device e...
06/30/1987
4529513Waste digestion unit
A waste digestion unit which comprises a container, a waste inlet into the container, an outlet from the container for digested waste, a gas bleed outlet from the container and a stirrer for stirring the contents of the container. The inlet, waste outlet,...
07/16/1985
4519714Waste material agitator
An apparatus for agitating a fluid that contains a sludge-like material which is stored in an enclosure, such as a pit, storage tank or pond, includes an elongated frame with a motor and a propeller pivotally mounted within a guard at a lower end of the f...
05/28/1985
4355906Stirring apparatus for cell culture
The apparatus includes a rotatable stirrer assembly for maintaining microcarrier beads in suspension in a cell culture. The stirrer assembly includes at least one blade radially disposed with respect to the vessel axis and connected to the assembly adjace...
10/26/1982
4289854Cell culture method and apparatus
A cell culture system and apparatus is provided for the agitated suspension culturing of mammalian cells in a flask assembly in which the culture medium and cells are gently agitated by the slow rotation of agitator means suspended downwardly in the cultu...
09/15/1981
4083653Stirring device
A stirring device employs a shaft-mounted hub with five axially nested, radially extendable fins shaped to not only provide compact nesting of five fins to enter a bung opening of a drum, but also to provide ample surface area when extended for stirring....
04/11/1978
4060224Mixing bar and system
A hollow mixing bar having at least one blade pivoted at one end by attachment to the mixing bar such that it is designed to rest against the mixing bar until the mixing bar is rotated. As the mixing bar is rotated the unattached end of each blade moves a...
11/29/1977
 
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