Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7434981 | Manufacturing method of metal paste A metal paste, in which a filler mainly composed of metal is mixed with good dispersibility, is manufactured with good productivity at a low cost without generating a foil of the metal. A paste-like material (referred to as a paste material hereafter) containing a m... | 10/14/2008 |
| 7290669 | Upflow bioreactor having a septum and an auger and drive assembly An upflow bioreactor includes a vessel having an inlet and an outlet configured for upflow operation. A septum is positioned within the vessel and defines a lower chamber and an upper chamber. The septum includes an aperture that provides fluid communication between... | 11/06/2007 |
| 7249879 | Easy pour blender A blender has a container body, a push plate, a blade assembly that is mounted on the push plate and a guide rod mounted to the container body and affixed to the push plate limiting the push plate to substantially vertical movement. A variety of well known lifting m... | 07/31/2007 |
| 7237943 | Dynamic fluid mixer A dynamic mixer in which two elements are rotatable relative to each other about a predetermined axis and between which is defined a flow path extending between an inlet for materials to be mixed and an outlet. The flow path is defined between surfaces of the elemen... | 07/03/2007 |
| 7230037 | Method for mixing a polyol component and an isocyanate component The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer. ... | 06/12/2007 |
| 7147884 | Method for making a novelty frozen food product A novel frozen product and method for making the same are disclosed, wherein a beaded frozen product is intermixed with conventional ice cream. In this regard, the beaded ice cream (or other frozen produce) may be intermixed with soft-serve ice cream on an individua... | 12/12/2006 |
| 7135112 | Flocculation apparatus for treating colloidal suspensions A flocculation apparatus and method for treating colloidal suspensions. The apparatus includes a suspension inlet, a suspension outlet and an inner cone mounted centrally in a conical outer housing. The inner cone and/or the outer housing is rotatable relative to on... | 11/14/2006 |
| 6964511 | Mixing 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 |
| 6848356 | Blending apparatus for ice cream An improved ice cream blending apparatus has a hopper support system that incorporates a hopper guidance mechanical linkage that supports the linear motion of the hopper and translates non-linear circular motion of the operating handle into the linear motion of the ... | 02/01/2005 |
| 6663274 | Domestic appliance having spring-loaded tools In a domestic appliance (1) having a housing (3) and having drive means (4) for rotationally driving at least one tool (5, 6) which is held by a holding means (17,18) and which is drivable with the aid of the drive means (4) so as to be rotated about a to... | 12/16/2003 |
| 6663276 | Stirring element and associated metering gun An agitator assembly for agitating a substance in a container comprises a container, a magnetic drive device, and an agitator element. The magnetic drive device is disposed adjacent to an outside surface of a lateral wall of the container. The agitator el... | 12/16/2003 |
| 6652135 | Stirring apparatus for large containers An apparatus for safely handling and securely holding a multitude of large and heavy open topped pails, for loading ingredients into these pails, and for stirring the ingredients within these pails into a fully homogenized state. The apparatus is adapted ... | 11/25/2003 |
| 6647863 | Device for making mocha coffee A device for preparing of mocha coffee is disclosed. The device comprises a cooking vessel, an electrical heating body electrically insulated supported relative to the cooking vessel, however, thermally coupled to the cooking vessel, and a temperature sen... | 11/18/2003 |
| 6616318 | Mixing apparatus with an upper mixing element rotatably and reciprocatably associated with a base mixing element A mixing apparatus for mixing material in a container comprising a base mixing element and an upper mixing element wherein the upper mixing element can be rotatably and reciprocatably coupled to the base mixing element. The base mixing element can be form... | 09/09/2003 |
| 6592249 | Device for producing and/or processing mixtures consisting of multiple constituents The invention relates to a device (10) for producing and/or processing plastic material mixtures comprising a mixing head (11) which has one or several inlets (15) for the mixture constituents and in which a mixer (17) provided for mixing the constituents... | 07/15/2003 |
| 6450680 | Apparatus for mixing powder The powder mixing apparatus comprises a circular section cylindrical body having a longitudinal axis that is substantially horizontal, the body being leakproof and having two disk-shaped walls and an annular wall, the apparatus having a disk placed coaxia... | 09/17/2002 |
| 6449869 | Device and method for drying pourable products Device and method for drying a pourable products. The device includes a rotor chamber in which a rotor is arranged with a vertical rotor axis. The rotor has a central horizontal surface and, at least in its radially outer third, a conical shell which is i... | 09/17/2002 |
| 6379034 | Device 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 |
| 6354728 | Device for producing a pourable product with a guide vane therein Device for producing a pourable product with a guide vane therein and method for using the device. The device includes a rotor chamber in which a rotor is arranged with a vertical rotor axis. The rotor has, at least in its radially outer third, the shape ... | 03/12/2002 |
| 6341887 | Ice cream mixing apparatus with a washing function having an auger with a vane wheel An ice cream mixing apparatus comprises a funnel for holding ice cream and flavor additives, an auger and a linear actuator for moving the auger into the funnel, in which position a rotation of the auger will mix the ice cream and the flavor additives. Th... | 01/29/2002 |
| 6318889 | Ice cream mixing apparatus for mixing ice cream with one or more flavor additives An ice cream mixing apparatus comprises a funnel for holding ice cream and flavor additives, an auger and a linear actuator for moving the auger into the funnel, in which position a rotation of the auger will mix the ice cream and the flavor additives. A ... | 11/20/2001 |
| 6309097 | Die coating material stirring machine A stirring machine and method for automated mixing of multi-part encapsulants used for coating microelectronic devices such as integrated circuits. The stirring machine includes a variable speed motor; a stirring rod coupled to an output shaft of the moto... | 10/30/2001 |
| 6305837 | Installation 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 |
| 6227698 | Apparatus for processing dispersions of solids in a fatty phase An apparatus for processing dispersions of solids in a fatty phase has at least two parts (1, 4) which can be driven with the aid of at least one drive and caused to rotate relative to one another, form a processing gap (6, g1, g2, g1', g2') between one a... | 05/08/2001 |
| 6132080 | Rotary disc mixer apparatus A mixing apparatus for mixing delicate materials, has a rotor extending into a vessel for containing a quantity of material to be mixed, a support associated with the vessel, the mixing rotor mounted on the support for positioning in the vessel, the rotor... | 10/17/2000 |
| 6076958 | Impeller 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 |
| 5902042 | Continuous mixer for liquids with rotor and casing gap adjustment A continuous mixer for liquids comprises a casing having a conical interior surface and a discharge outlet at the apex of the cone formed by the conical interior surface, a rotor that rotates at its center on the axis of the cone and has a conical exterio... | 05/11/1999 |
| 5863118 | Blender with extendible housing A blender includes a housing with a lower portion and an intermediate portion, the lower portion being movable in relation to the intermediate portion to permit the housing to be extended during use. The housing encloses a motor and a shaft extending axia... | 01/26/1999 |
| 5839825 | Agitator lid for a can of coloring substance on paint-agitation machines An agitator lid for a can of coloring substance on paint-agitation machines of the type including an agitator spindle (7) mounted so as to be free in translation relative to the lid, provided with an axial rod (13) which is driven in rotation and with a l... | 11/24/1998 |
| 5840345 | Dough transport device The present invention provides a dough transport device having an improved dough pump, an improved manifold for dividing dough, and a rotational cutter for cutting dough into pieces of uniform shape and size. The auger dough pump operates using a auger wh... | 11/24/1998 |
| 5836687 | Adjustable height food mixer A food mixer has a frame with a base and two upstanding columns. A bridge, which includes an electric motor housing, is slidingly mounted to the columns. Thumb presses are provided to release locks that hold the bridge in the position shown in FIG. 1 or c... | 11/17/1998 |
| 5823673 | Apparatus for processing dispersions of solids in a fatty phase An apparatus for processing dispersions of solids in a fatty phase has at least two parts (1, 4) which can be driven with the aid of at least one drive and caused to rotate relative to one another, form a processing gap (6, g1, g2, g1', g2') between one a... | 10/20/1998 |
| 5796016 | Dissolution tester A dissolution tester has a plurality of test vessels for receiving dissolution samples and a plurality of stirring elements for stirring the dissolution samples, the stirring elements being disposed in a vertically adjustable housing. A discharging device... | 08/18/1998 |
| 5779360 | Agitation apparatus including vessel having mixing blades and moveable agitator An agitator apparatus for agitating pellets of raw material of synthetic resins includes an agitation vessel for receiving pellets and coloring agents and removably housed in a supporting frame. An agitator is mounted elevatably on the supporting frame fo... | 07/14/1998 |
| 5700086 | Mixing device with axially movable shaft for maintenance purposes Apparatus for mixing a processing medium with a pulp suspension within a vessel is disclosed, including a housing attached to a wall of the vessel, a rotary shaft extending into the vessel through an opening in the housing, bearings supporting the rotary ... | 12/23/1997 |
| 5682001 | Dissolution test apparatus with counterbalance system A dissolution test apparatus which utilizes a fixed base upon which is movably mounted a drive head. The fixed base which supports a plurality of flasks. Mounted within the drive head are a plurality of mixing paddles. The drive head is to be manually mov... | 10/28/1997 |
| 5660468 | Agitating blade for a main tank of glue preparing equipment A main tank for preparation of glue having agitation effect and shearing effect far larger than in the conventional tank is fitted with an agitator having multiple blades on a shaft supported to allow rotation on the bottom of a tank. A disc is provided h... | 08/26/1997 |
| 5653536 | Free-standing stirrer appliance A free standing motor driven stirrer appliance for stirring food in a utensil located beyond the base of the appliance such as food cooking in a pan on a heating source. An adjustable support extends upward and transversely from the base to reach a utensi... | 08/05/1997 |
| 5642940 | Apparatus for the preparation of mixtures, especially dye solutions An apparatus for the preparation of mixtures, especially dye solution. The apparatus includes a device for withdrawing a predetermined batch of product at a withdrawal station and for transferring the product to a separate dissolution station (SD). A devi... | 07/01/1997 |
| 5611619 | Mixing machine A mixing machine including a machine base, a horizontal suspension arm horizontally suspending above the machine base, a lifting mechanism controlled to move the horizontal suspension arm vertically relative to the machine base, a transmission mechanism m... | 03/18/1997 |
