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| Number | Title | Issue Date |
| 7946750 | Composition for and method of pumping concrete A composition for and a method of promoting the flow of a concrete slurry through a conduit is provided. The composition is preferably a liquid polymer mixture including water and polyacrylamide polymers. The composition, when mixed with a suitable quantity of water... | 05/24/2011 |
| 7794133 | Dust-reducing mixing device and process Mixing devices and processes that make it possible to mix flowable finely divided solid particles with liquids (and/or slurries of solids in liquids) contained in an open top container outdoors under windy conditions, with reduced or eliminated dusting from entrainm... | 09/14/2010 |
| 7722243 | Automatic drum rotation control concrete transit mixer truck A concrete transit mixer truck includes a control system that automatically controls rotation of the mixer drum at a constant drum speed when the mixer truck is traveling. When sensed speed of the truck exceeds a threshold, the control system automatically causes a ... | 05/25/2010 |
| 7434980 | Swinging agitator for a gypsum calcining apparatus and the like An agitation mechanism for a gypsum processing apparatus which includes a housing having a bottom wall and at least one side wall. The housing can be constructed and arranged to receive and process gypsum-based products. An agitator frame having a similarly shaped c... | 10/14/2008 |
| 7422359 | Method of mixing cement and water for concrete production A high-speed turbine mixer combines water and cement into a pre-mixed cement paste that is added to aggregates to create a concrete mix. The turbine mixer includes a housing that cooperates with an auger to move dry cement into a mixing chamber where water is added.... | 09/09/2008 |
| 7374331 | Method and apparatus electrostatically controlling the viscosity and other properties of ceramic compositions A method and apparatus for reducing the viscosity of a fluidic cementitious mixture, the apparatus including a high voltage source, first and second spaced electrode members electrically connected to the high voltage source and (when energized) define an electrostat... | 05/20/2008 |
| 7296919 | Slurry mixer constrictor valve A method for providing a smoothly mixed slurry to a web is provided which includes inserting calcined gypsum and water into a mixer (12), agitating the contents of the mixer (12) to form an aqueous dispersion of the calcined gysum, and passing the agit... | 11/20/2007 |
| 7272912 | Method and apparatus for converting spent water-based drilling muds into fertile indigenous top soil A method and apparatus for converting spent water-based drilling mud into fertile indigenous top soil at a well site or location. The fertile indigenous top soil is produced by the steps of: admixing, at a well site, effective amou... | 09/25/2007 |
| 7267473 | Transfer system for coloring agents A system for transferring coloring agents for concrete to a ready mix truck or the like, includes a tank for receiving coloring agents. The tank includes lines for supplying it with water and a pump for transferring the coloring agents to the ready mix truck through... | 09/11/2007 |
| 7264394 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 09/04/2007 |
| 7229207 | Method for gel hydration system A hydration apparatus for use with a hydration tank. The hydration apparatus disperses incoming gel into existing gel in the hydration tank to increase the hydration time of the incoming gel. The hydration apparatus includes flow conduits communicated with gel inlet... | 06/12/2007 |
| 7217401 | Mercury removal from activated carbon and/or fly ash A method for reducing the amount of mercury affixed to a sorbent and/or fly ash is disclosed. The method includes the steps of providing an amount of sorbent and/or fly ash wherein at least a portion of the amount of sorbent and/or fly ash has particulates having me... | 05/15/2007 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7175333 | Method for delivery of bulk cement to a job site A method for delivering a pre-weighed package comprising sand, aggregate and dry cement to a mixing site comprises the steps of preparing a first mixture comprising fine aggregate and coarse aggregate at an offsite plant. The first mixture is placed into a first sto... | 02/13/2007 |
| 7172145 | Concrete delivery truck An apparatus and process for mixing and depositing a strand reinforced concrete mix at a job site from a concrete delivery truck including a mixer on the truck for mixing separate concrete ingredients at a job site, which truck further includes a fiber strand choppi... | 02/06/2007 |
| 7140558 | Mixing arrangement for atomizing nozzle in multi-phase flow The invention relates to an improved mixing arrangement for, primarily, moving bitumen in steam from sources of such bitumen and steam to a reactor or coker for further processing of the bitumen into petroleum products. The invention provides a main conduit connecte... | 11/28/2006 |
| 7128816 | Method and apparatus for producing colloidal nanoparticles in a dense medium plasma A method and apparatus is utilized for producing colloidal dispersions of nanoparticles of electrically conducting materials. The colloidal dispersions are produced in a dense media plasma reactor comprising at least one static electrode and at least one rotating el... | 10/31/2006 |
| 7128463 | Portable mixer A portable mixer comprising a frame assembly. Wheels are operatively mounted on the frame assembly. A deck assembly is pivotally mounted on the frame assembly for tilting forwardly and rearwardly. A mixing bag is suspended from the frame assembly. ... | 10/31/2006 |
| 7121713 | Swinging agitator for a gypsum calcining apparatus and the like An agitation mechanism for a gypsum processing apparatus which includes a housing having a bottom wall, and at least one side wall. The housing can be constructed and arranged to receive and process gypsum-based products. An agitator frame having a similarly shaped ... | 10/17/2006 |
| 7114842 | Controlling ready mixed concrete sludge water Method and system for concrete wash-out water re-use, wherein an apparatus such as a mixing truck (1) is washed out and sludge (2) water re-used. The invention comprises providing sensors (11), in a communication system connected with a control ... | 10/03/2006 |
| 7040419 | Foamed compositions and methods of use in subterranean zones The current invention provides improved methods and compositions for completing a well bore. In one aspect, the current invention provides a process for preparing a foamed well composition. The process utilizes air to foam the composition after the air has been trea... | 05/09/2006 |
| 6936092 | Positive pressure drilled cuttings movement systems and methods Methods for moving drilled cuttings, the methods, in certain aspects, including conveying with air under positive pressure, drilled cuttings to flow conduit apparatus; applying air under positive pressure to the flow conduit apparatus to continuously move the drille... | 08/30/2005 |
| 6910796 | Process and equipment for producing concrete products having blended colors A process and equipment for producing multi-color concrete products, including architectural concrete blocks, concrete bricks, modular concrete products that are suitable for use in landscaping applications, such as retaining wall blocks, concrete pavers, and concre... | 06/28/2005 |
| 6808303 | Ready mix batch hauler system A ready mix batch hauler system for efficiently transporting concrete mixing materials to a job site. A batch hauler truck is provided having a storage tank pivotally attached to the frame of the batch hauler truck. The storage tank has a first reservoir for holding... | 10/26/2004 |
| 6780356 | Method for producing an inorganic foam structure for use as a durable acoustical panel A process and apparatus for creating an acoustically absorbent porous panel comprises the steps of dispensing cement and fibers with a dry mixer to create a dry mix and aqueous mixing water, surfactant and air with an aqueous mixer to create a foam. The process and ... | 08/24/2004 |
| 6773639 | Method of and system for forming a fire door core A method and system of forming a fire door core. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plurality of com... | 08/10/2004 |
| 6676862 | Method for forming lightweight concrete block A method and apparatus for efficiently forming individual building units is provided, generally includes providing a plurality of molds, each capable of simultaneously forming a plurality of building units. Batches of cementitious slurry are individually ... | 01/13/2004 |
| 6554465 | Concrete admixture packaging and batch feed system The present invention provides an apparatus for efficient and clean handling of concrete admixtures that allows their incorporation into a concrete mixture in a pre-measured and controlled manner. The system provides a novel packaging system to be integra... | 04/29/2003 |
| 6533970 | Method for making aerated concrete blocks having at least one passageway drilled therein A method for making aerated concrete blocks includes dispensing materials for making aerated concrete into a mold and allowing the materials to rise and stiffen into a body. The body may be divided into an array of blocks which are then cured. At least on... | 03/18/2003 |
| 6376558 | Method of producing a porous paste, especially a porous plaster slurry, and a mixer for preparing such paste or slurry A porous paste, especially a plaster paste or slurry for producing sandwich-type plasterboard, is made in a disk-shaped mixer having a rotor rotatable in a mixing chamber by introducing compressed air or other pressurizable gas through a wall or bottom se... | 04/23/2002 |
| 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 |
| 6354726 | Method and device for mixing and conveying concrete The invention relates to a mixing and conveying device for mixing and subsequently conveying semifluid materials, in particular mortar and concrete. The device comprises a compressor for generating compressed air, and a mixing vessel connected to a convey... | 03/12/2002 |
| 6306210 | Corrosion inhibitor container The method of adding migrating corrosion inhibitors to a raw concrete mix by loading a migrating corrosion inhibitor in powder form within a container fabricated from a water soluble film, and thereafter depositing the container into a hydrated concrete m... | 10/23/2001 |
| 6146655 | Flexible intra-oral bandage and drug delivery system A flexible intra-oral bandage and kit thereof including an hydrolyzable powder/water-wettable fiber mixture enclosed in a flexible, water-permeable, non-stick envelope. The envelope is immersed in water or medication so that the liquid is absorbed through... | 11/14/2000 |
| 5961210 | Bone cement preparation device, and methods of constructing and utilizing same A disposable container for preparing bone cement, comprising a flexible bag member, the bag member being substantially sealed; a port member for transferring a substantially liquid composition into the flexible bag member; and wherein the bag member inclu... | 10/05/1999 |
| 5945150 | Method for production of chocolate A process for manufacturing chocolate includes premixing a charge of cocoa paste, sugar, and optionally powdered milk under application of heat, subsequently conveying the charge to a first grinder, and thereafter treating the resulting paste by tumbling ... | 08/31/1999 |
| 5829871 | Asphalt plant with gas containment system and method An asphalt plant is provided with a system for containing noxious and nuisance gases and fumes generated therein. The system includes a substantially air tight casing encircling an slat conveyor of the plant, a substantially air tight elevator chute havin... | 11/03/1998 |
| 5752768 | System for control of the condition of mixed concrete A mobile cement mixer is provided with a programmed controller that automatically causes the mixing of concrete to follow a predefined mixing regime that is interruptable by an operator but will resume the mixing regime at the appropriate stage.... | 05/19/1998 |
| 5743636 | Mixing mat for concrete Single bag quantities of blended cement and aggregate are mixed with water to form concrete using a flexible mat that is arranged with a shallow central basin bounded by a flat skirt. A plurality of handles, suitably four, are provided in the skirt near t... | 04/28/1998 |
| 5709467 | Device and apparatus for mixing alginate A device for and a method of mixing and dispensing alginate is disclosed. The invention entails a pouch having a sealable aperture through which alginate and water may be added. The pouch also has an sealable spout. The function of these two openings may ... | 01/20/1998 |
