Did You Know...
...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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| Number | Title | Issue Date |
| 7270469 | Apparatus and method for adding pigmentation to concrete mix A pigmentation dispenser utilizes a hopper having two rotors therein, a first rotor above a second rotor. The second rotor moves the pigmentation material through an outlet opening and deposits it on a conveyor containing a concrete mix. The concrete mix and pigment... | 09/18/2007 |
| 7165877 | Slurry mixing apparatus The invention is an apparatus for mixing fluent material. A hopper is pivotably mounted to a frame on a pivot axis that is substantially spaced from the axis of rotation of a mixing paddle. Because the pivot axis is substantially spaced from the axis of rotation, th... | 01/23/2007 |
| 7004615 | Distributor for dry cement A mobile storage wagon distributing a controlled flow of dry cement. A hopper is provided with a roof (28) over a bin (26) discharging cement into a foldable screw housing (32) to a mixer. The hopper is mounted on legs (30) over a trailer... | 02/28/2006 |
| 6817747 | Portable variable speed volumetric feed hopper A volumetric feed hopper is provided with a variable speed drive to vary the feed rate of the hopper. The hopper is further provided with adjustable legs with pivoting feet to enable the hopper to be installed a various heights and on uneven surfaces. ... | 11/16/2004 |
| 6645275 | Apparatus and methods for removing fines from a gas stream A bag house is mounted on a portable trailer and has a tube sheet with depending filter bags in part defining a first plenum for receiving a gas stream with fines and a second plenum for receiving clean gas from the filter bags. The fines are collected in... | 11/11/2003 |
| 6398998 | Method for producing bodies of consolidated particulate material A method for producing shaped bodies of particulate material by introducing an easily flowable slurry of water and particulate material into a mold with perforated walls and by applying a sufficiently high pressure to the slurry in the mold so as to expre... | 06/04/2002 |
| 5609416 | Portable continual mixer A small batch mixer particularly suited for preparing small quantities of mixture blends dry powdered material with an aggregate and a liquid. The ingredients may be cement, sand, and water. The batch mixer has two screw augers. The first auger feeds dry ... | 03/11/1997 |
| 5605397 | System for mixing cement and aggregate A system and method for mixing particulate cement with mineral aggregate(s) so as to minimize the formation and escape of dust. The system involves dispensing aggregate(s) downwardly from a hopper and simultaneously dispensing the cement particles from a ... | 02/25/1997 |
| 5570953 | Mud-mixing machine for drywall texturing and other applications A method of forming a mixture of powdered material and water includes the step of providing a hopper, a holding tank, a tube intermediate the hopper and the holding tank, and an air-powered auger arranged to feed powdered material from the hopper through ... | 11/05/1996 |
| 5527108 | Apparatus for charging a pumping device An apparatus used to charge a pumping device with a slurry mixture such as cement is provided. A hollow funnel-shaped receptacle is equipped with a rotating shaft. Extending from the shaft are angled blades which keep the slurry mixture thoroughly mixed w... | 06/18/1996 |
| 5470147 | Portable continual mixer A portable continual mixer blends dry powdered material with an aggregate and a liquid. The ingredients may be cement, sand, and water. The batch mixer has two screw augers. The first auger feeds dry mix into an elongated mixing chamber, and has its own e... | 11/28/1995 |
| 5433519 | Method and apparatus for the application of mortar or concrete by spraying A method and device for the application of mortar or concrete by spraying, wherein a quick-acting binding agent mixed with an admixture is transferred to a spraying-nozzle by a pneumatic conveyor where water is added, wherein the binding agent is added mi... | 07/18/1995 |
| 5375925 | Material blender mixer and method therefor A material blender mixer is mounted to a chassis of a vehicle. The mixer includes a first material holder bin mounted to the vehicle chassis, a second material holder bin mounted to the chassis positioned reawardly of the first material bin, a device for ... | 12/27/1994 |
| 5352035 | Concrete mixing system with cement/water premixer A system for mixing cementitious material, liquid and aggregate to form concrete includes a cementitious material measuring device which provides dry cementitious material to an enclosed screw conveyor assembly. The dry cementitious material is thoroughly... | 10/04/1994 |
| 5213414 | Mixing apparatus The apparatus allows mixing of a solid and a fluid continuously to facilitate downhole operations, especially gravel packing. The apparatus comprises a solids hopper, with preferably an internal auger, to meter the solids flowrate. The solids drop into a ... | 05/25/1993 |
| 5195454 | Apparatus for distributing particulate material Particulate material for coating foodstuffs falling from a belt of a conveyor within a rotatable drum is distributed substantially evenly over the interior wall of the drum by a guiding device which includes at least one movable plate which is positioned ... | 03/23/1993 |
| 5100239 | Method of manufacturing concrete Method for manufacturing concrete by mixing concrete materials including a cement, aggregate, admixture and at least one of water and ice. The aggregate is moved prior the mixing and a low-temperature liquid is sprayed on the aggregate for cooling while t... | 03/31/1992 |
| 5013157 | Apparatus for producing aerated cementitious compositions An aerated cementitious composition is produced by feeding a mixture comprising cement and foaming agent to a mixing chamber open to atmosphere together with a feed of liquid. The ingredients are mixed and the wetted mixture pumped to a desired site, the ... | 05/07/1991 |
| 5012462 | Disc player having locking mechanism for pickup An improved disc player which is capable of preventing unnecessary movement of a pickup through simple construction so as to protect the pickup against any damage.... | 04/30/1991 |
| 4896968 | Cement storage and mixing system A dry bulk cement storage and mixing system comprises one or more generally cylindrical storage tanks or bins having somewhat wedge shaped bottom discharge sections with tapered flight conveyor screws extending across the diameter of the bin at the conver... | 01/30/1990 |
| 4855960 | Process and apparatus for the preparation of mortars A process and apparatus for the preparation of mortar from an aggregate and a binder is disclosed which comprises the use of a silo provided with at least one partition so as to create in the silo two or more compartments for the separate storage of the a... | 08/08/1989 |
| 4810097 | Dispensing apparatus A dispensing apparatus is located in the rear of a tip truck body. When the tipping body of the truck is inclined gravity causes bulk material held in the tipping body at either side of a partition to feed augers. The dispensing apparatus includes at leas... | 03/07/1989 |
| 4795264 | Arrangement for concrete production in tunnels A concreting train consists of a plurality of wagons supporting a mixer, a multiple conveyor arrangement and separate containers for cement and aggregate. A container for cement has at least one integrated conveyor worm. All container wagons are provided ... | 01/03/1989 |
| 4624575 | Cement mobile mixer A cement mobile mixer for mixing concrete from sand, aggregate, cement and water.... | 11/25/1986 |
| 4624574 | Apparatus for producing aerated cementitious compounds An aerated cementitious composition is produced by feeding a mixture comprising cement and foaming agent to a mixing chamber open to atmosphere together with a feed of liquid. The ingredients are mixed and the wetted mixture pumped to a desired site, the ... | 11/25/1986 |
| 4435081 | Concrete mixing plants with elevator wheel The invention relates to concrete mixing plant suitable for weighing and mixing at least two aggregate materials and cement inside a concrete mixer comprising a container to collect aggregate, weighing and/or dosing scale, a worm-screw to deliver cement, ... | 03/06/1984 |
| 4240754 | Asphaltic concrete patch mixing and heating apparatus and method An apparatus for heating and mixing an asphalt-aggregate composition comprises a drum rotatable about an axis, having a mixing and heating chamber with a restricted port at one end into which a flame and hot gases of combustion are directed and through wh... | 12/23/1980 |
| 4223996 | Apparatus for mixing solid and liquid constituents of mortar or the like Apparatus for mixing metered quantities of cement with metered quantities of water has a horizontal housing with a first section having an inlet for admission of cement, a cylindrical intermediate section which receives cement from the first section, and ... | 09/23/1980 |
| 4208131 | Asphaltic concrete patch mixing and heating apparatus and method An apparatus for heating and mixing an asphalt-aggregate composition comprises a drum rotatable about an axis, having a mixing and heating chamber with a restricted port at one end into which a flame and hot gases of combustion are directed and through wh... | 06/17/1980 |
| 4075710 | Apparatus for producing hot mix asphalt utilizing recyclable asphalt aggregate Apparatus for producing hot mix asphalt utilizing new aggregate and a previously manufactured and layed asphalt mix which has been reduced to form recyclable aggregate, comprising a cylindrical mixer drum supported for rotation about its longitudinal axis... | 02/21/1978 |
| 4056259 | Process and apparatus for the continuous preparation of a mixture for foundry molds or the like, with formation of a premix Apparatus useful for the malaxation of a charge such as foundry sand, a ractory or abrasive particulate-like solid, powdered marble, gravel or like building materials embodying two mixing zones to first form a pre-mix of the charge and a constituent of a... | 11/01/1977 |
