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 |
| 7959348 | Agitating canister for viscous fluids dispensed from multiple fluid dispensers An improved canister assembly for a multi-fluid dispenser is shown and described. The canister assembly comprises an annular outer shell with an outer cylindrical wall connected to a bottom which, in turn, is connected to an inner cylindrical wall that serves as a s... | 06/14/2011 |
| 7347615 | Mixer with smoothed mixing action A mixer (1) is described, in particular a feed mixer, has a mixing chamber (3), which is provided with a discharge opening (6) for the mix. A mixing screw (7), driven about a vertical rotating axis (7a), is accommodated in the mixi... | 03/25/2008 |
| 7347007 | Low pressure high capacity dryer for resins and other granular and powdery materials A vacuum dryer and method for drying granular or powdery material including at least one canister for holding said material being movable among a series of locations including material heating and vacuum drying locations, means for moving said canister among said lo... | 03/25/2008 |
| 7347616 | Swept kickers for vertical mixer augers A vertical feed mixer apparatus has a container for the reception of feed. The container includes a floor, a wall extending away from the floor such that the wall is disposed above the floor. The wall has a top opening disposed remotely from the floor to define an e... | 03/25/2008 |
| 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 |
| 7234247 | Low pressure dryer A low pressure dryer for granular or powdery material includes a plurality of canisters rotatable about a common vertical axis serially among material heating, vacuum drying and material inventory discharge positions; pneumatic piston-cylinder means for rotating the... | 06/26/2007 |
| 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 |
| 7223086 | Golf ball manufacturing apparatus A golf ball manufacturing apparatus comprises a mold including a cavity for forming a golf ball, an injection molding machine for supplying a molten resin to the mold, a supply portion for supplying a resin pellet to the injection molding machine, and a crushing mac... | 05/29/2007 |
| 7213965 | Beverage mixer A beverage mixer includes a container with a mixing assembly removably disposable on a base with a motor turning a drive mechanism engagable with the mixing assembly. A spout is operatively coupled to the container, and can include a valve operable to allow and rest... | 05/08/2007 |
| 7178976 | Blender for ingredients into soft-serve freezer products An assembly is mounted to a soft serve confection freezer. It includes a set of modules in a circular array and separately replaceable in a magazine. Each module supports a container storing a dry food ingredient in particulate form, and has a motor driven product i... | 02/20/2007 |
| 7127919 | Methods and apparatus for homogenizing molten glass The level of precious-metal inclusions in glass products, e.g., glass substrates for liquid crystal displays, is reduced by stirring molten glass in a stir chamber (11) under conditions such that the magnitude of the shear stress τ on the chamber's wall (... | 10/31/2006 |
| 7066689 | Vacuum loading system Apparatus for providing granular material to a loading hopper preparatory to processing includes a receptacle receiving material prior to processing thereof by machinery supplied by the hopper with a top including a first valve for selectably connecting the receptac... | 06/27/2006 |
| 7028933 | Livestock food processing mixing machine A mixing machine consists of a hopper having a main chamber within its housing with a rotary member, a secondary chamber having a bottom worm conveying the material from one end of the mixing machine to the other end thereof, until collapsing with a loop found on it... | 04/18/2006 |
| 6955461 | Tickler for slurry reactors and tanks The present invention is directed to a tickler impeller and agitation system for use in stirred slurry reactors and storage tanks. The tickler impeller when mounted on a shaft is effective for providing an inward and downward swirl in a slurry medium which directs s... | 10/18/2005 |
| 6929394 | Door for a vertical mixer A vertical mixer has a mixing chamber with a vertical auger rotatably mounted therein. The mixing chamber has a side wall and a floor. The side wall has an opening therein that includes part of the floor and is closable by a door. The door includes a segment that is... | 08/16/2005 |
| 6729753 | Mixing device for reconstituting dehydrated food particles The present invention relates to a mixing device particularly adapted for mixing and delivering a mixture of food product containing large particulates from dehydrated material and a diluent. This device includes a mixing chamber including a propeller, at least one ... | 05/04/2004 |
| 6641297 | Hazardous waste transportation and disposal An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank ha... | 11/04/2003 |
| 6578743 | Dosing device for bulk goods A dosing device including a hopper (1) having an outlet opening which is closed by two spherical cap halves (3, 4), which can be pivoted in opposite directions. The pivoting movement is effected by two arms (5, 6) pivoted about a common pivot pin (8). The... | 06/17/2003 |
| 6508583 | Agitated vessel for producing a suspension of solids The invention provides an agitated vessel for producing a suspension of solids in liquid with uniform concentration. The vessel comprises a vertical cylindrical tank having sidewalls and a bottom with inclined surfaces forming an interior for holding a su... | 01/21/2003 |
| 6467945 | Discharge apparatus for a mixer for mixing and discharging livestock feed and the like A discharge apparatus of the type disclosed in co-pending application Ser. No. 09/562,167 filed May 2, 2000. The apparatus includes a container for the reception therein of the feed. The container has a base and a wall extending away from the base. The wa... | 10/22/2002 |
| 6367959 | Method and apparatus for blending water with sand A water blending apparatus for use in conditioning foundry sand. The apparatus creates a vertical sand stream flow path which increases the surface area of the sand stream and allows water to be applied to both sides of the sand stream rather than a singl... | 04/09/2002 |
| 6276824 | Apparatus and method for slurrying waste materials and drill cutting in a tank and transferring them therefrom An apparatus and method for slurrying waste materials and drill cuttings. The apparatus includes a pump having a chamber an inlet opening into the bottom of the chamber, an impeller, an outlet on one side of the chamber for removal of material into a disc... | 08/21/2001 |
| 6193403 | Bucket mixer attachment for skid steer vehicle A mixer for particulate materials, such as soil, dirt, sand, concrete, lime, fertilizers, aggregate, and water, hitched to a skid steer motor vehicle has a bucket for accommodating the particulate materials. A pair of augers having opposite spiral flights... | 02/27/2001 |
| 6000446 | Apparatus for particulate processing A method including: a particulate material source and receiver, and wherein the source contains a discharge feature; moving material in the source in the direction of a member located at least partially within the source, the member defining an adjustable... | 12/14/1999 |
| 5947645 | Fiber dispensing system A fiber dispensing system for storing and delivering fibrous material includes a housing for receiving and storing the fibrous material. The housing has an activatable dispensing mechanism for selectively dispensing the fibrous material from the housing. ... | 09/07/1999 |
| 5947169 | Oscillating valve for powders A method for filling a powder container is provided. The method includes the steps of placing a first powder container to be filled in filling relationship to a discharge feature in the vessel, directing the powder in the vessel toward a member located at... | 09/07/1999 |
| 5931610 | Fiber dispensing system A fiber dispensing system for storing and delivering fibrous material includes a housing for receiving and storing the fibrous material and shapes supporting the housing. The housing has an activatable dispensing mechanism for selectively dispensing the f... | 08/03/1999 |
| 5795062 | Milkshake machine A milkshake machine or similar apparatus uses the grinding and shredding principles employed by conventional impeller-type waster disposers. The milkshake machine has a housing that defines an upper grinding chamber and a lower receiving chamber separated... | 08/18/1998 |
| 5707448 | Apparatus for the application of particulates to baked goods and snacks Substantially uniform distribution of a particulate composition such as a seasoning or spice, on both the top and bottom surfaces of baked good or snack pieces is achieved by applying the composition as a curtain or sheet from within a housing as the subs... | 01/13/1998 |
| 5657687 | Device for conching chocolate compound A conche for producing chocolate compound consists of a conche container (10) with a main chamber (12) and subsidiary chambers (13, 14). Mixing vanes (22, 23 and 30, 31) are disposed therein on central shafts (19, 20, 21) in order to intimately mix the co... | 08/19/1997 |
| 5647665 | Vertical feed mixer with flighting plows An improved vertical feed mixer has a mixing chamber defined by a floor, a side wall, and an open upper end through which feed material, such as hay bales, is loaded into the chamber. A vertically disposed auger with tapered flighting is rotatably mounted... | 07/15/1997 |
| 5603568 | Sludge disposition system A system for transportation of sludge material comprising an elongated tank having an arcuate bottom portion extending longitudinally of the tank and having a withdrawal port located in the arcuate bottom portion of the tank. An elongated conveyor system ... | 02/18/1997 |
| 5556765 | Reactor using tubular spiroids for gas/liquid propulsion A reactor includes a reaction vessel that defines a reaction chamber. Completely or partially within the reaction chamber is at least one spiroid. The spiroid is operably associated with the reaction vessel so that rotation of the reaction vessel causes t... | 09/17/1996 |
| 5514399 | Method of applying particulates to baked goods and snacks Substantially uniform distribution of a particulate composition such as a seasoning or spice, on both the top and bottom surfaces of baked good or snack pieces is achieved by applying the composition as a curtain or sheet from within a housing as the subs... | 05/07/1996 |
| 5505537 | Conical-bottom silo, particularly suitable for small-sized plastic material and rubber with high elasticity properties, having a discontinuous screw stirrer A conical-bottom silo, particularly suitable for small-sized pieces of plastic material with properties of high elasticity, includes a conical screw stirrer inserted axially in the conical bottom of the silo. The conical screw of the stirrer is discontinu... | 04/09/1996 |
| 5486047 | Mixing auger for concrete trucks A mixing auger apparatus for an on-site mobile concrete mixer is disclosed wherein the mixing auger apparatus is capable of effective operation while oriented at an angle of inclination greater than 22° to the horizontal. The mixing auger apparatus is pr... | 01/23/1996 |
| 5450786 | Conching device A conching device comprising at least one rotor shaft (4) having conching tools (5) is subdivided by partition walls (10, 11, 12) into compartments (13-16), so that in these compartments (13-16) different formulations can be conched simultaneously. The th... | 09/19/1995 |
| 5429436 | Unibody vertical forage mixer with weighing mechanism A vertical forage mixer is of a unibody-type construction to provide an especially strong and durable unit. The major components of the vertical forage mixer are secured-together, typically by welding, so that the various components are combined and tied ... | 07/04/1995 |
| 5403087 | Mixing apparatus and mixing method for mixing fibrous and powder materials Mixing method and apparatus using two shafts which rotate in a reverse direction with respect to each other, having mixing pins branched in a V shape or Y shape and a mixing bath arranged in such manner that fibrous and powder materials are input to one e... | 04/04/1995 |
| 5385402 | Hazardous waste transportation and disposal An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank ha... | 01/31/1995 |
