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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7320539 | Concrete batching facility and method A concrete batch mixing system and method are disclosed that enable the batch master to measure and control both the water and cementitious ingredient feeds in relation to each other so as to be able to blend the two ingredients in a known, selected, adjustable and ... | 01/22/2008 |
| 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 |
| 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 |
| 7048431 | Plastic processing machine for producing fiber-containing thermoplastics A plastics processing machine for producing fiber-containing thermoplastics includes an extruder, and a scale assembly having a weighing plate for determining an amount of fiber to be supplied to the extruder. A fiber feeding device supplies fibers from a take-off u... | 05/23/2006 |
| 7037724 | Method for storing and transporting crude oil Disclosed is a method for transporting blended crude oils comprising the steps of; (a) admixing a first crude oil with a second, different crude oil to form a crude oil admixture; (b) determining a first value representing the content of unprecipitated asphaltenes i... | 05/02/2006 |
| 6843592 | Asphalt additive mixing apparatus An apparatus and methods for blending and for delivering additives, for example, in pelletised form, to form thin surface dressings for the pavement construction industry. One or more additives may be weighed, blended and transferred for combination of the blended p... | 01/18/2005 |
| 6188936 | Gravimetric blender with operatively coupled bar code reader A method for weight blending of granular materials comprises at a remote site generating a command for desired operation of granular material weight blending apparatus; encoding said command into transportable time-stable machine readable tangible storage... | 02/13/2001 |
| 6123445 | Dual stage continuous mixing apparatus A mixer for dry powder, very fine or granular materials and a liquid, e.g., mortar or cement and water, includes a dynamic input mixing stage, a static output mixing stage and a transition tube connecting the two stages in a manner which isolates the two ... | 09/26/2000 |
| 5967655 | System for mixing cementing material and mineral aggregate Apparatus for mixing cementing material and mineral aggregate includes a container having a first chamber and a second chamber each having a top and a bottom. Cementing material is in the first chamber. Mineral aggregate is in the second chamber. An auger... | 10/19/1999 |
| 5795060 | Method and apparatus for continuous production of colloidally-mixed cement slurries and foamed cement grouts An apparatus for high capacity production of high-fluidity, colloidally mixed cement slurry. Water and cement dust are combined at metered rates by a premixing assembly which discharges into a mixing tub. The high-speed, high-shear pump recirculates the m... | 08/18/1998 |
| 5785420 | Apparatus for metering and mixing aggregate and cement Portable metering and mixing apparatus includes a trailer having a hopper thereon divided into two compartments, one compartment for sand material and another compartment for cementitious material. Screw conveyor assemblies, or auger assemblies, receive t... | 07/28/1998 |
| 5775803 | Automatic cementing system with improved density control An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and a dry cement hopper for supplying water and cement, respec... | 07/07/1998 |
| 5624182 | Automatic cementing system with improved density control An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and a dry cement hopper for supplying water and dry cement, re... | 04/29/1997 |
| 5624183 | Apparatus for metering and mixing aggregate and cement Portable metering and mixing apparatus includes a trailer having a hopper thereon divided into two compartments, one compartment for aggregate and another compartment for cementitious material. An auger receives aggregate from one compartment and feeds ag... | 04/29/1997 |
| 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 |
| 5590958 | Automatic cementing system for precisely obtaining a desired cement density An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and a dry cement hopper for supplying water and dry cement, re... | 01/07/1997 |
| 5580166 | Cement pump for a wet spray system In a concrete pump for wet spraying, in which standard concrete is pumped to a mixing jet, compressed air and if necessary a hardening accelerant are mixed into the concrete stream, which is applied with the jet and compressed; it is the purpose of the in... | 12/03/1996 |
| 5503473 | Automatic cementing system for precisely obtaining a desired cement density An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and a dry cement hopper for supplying water and dry cement, re... | 04/02/1996 |
| 5441340 | Method for controlling the density of a well fracturing slurry An automated density and chemical controller automatically controls the density and chemical proportions of a slurry that is injected into a well during a well fracturing operation. The automated density controller receives from the operator the parameter... | 08/15/1995 |
| 5441361 | Field convertible apparatus for conducting either front load road planing operation or cold in-place recycling operation A roadworking machine can be converted from front load road planing capability to cold in-place recycling capability by replacing the secondary conveyor on the front end of the machine with a mixer such as a standard pugmill. The machine can be converted ... | 08/15/1995 |
| 5281023 | Method and apparatus for automatically controlling a well fracturing operation An automated density and chemical controller automatically controls the density and chemical proportions of a slurry that is injected into a well during a well fracturing operation to produce a slurry with a desired density. The automated controller autom... | 01/25/1994 |
| 5261743 | Apparatus and methods for feeding a substantially uniform quantity of a mixture of materials having variable individual densities Apparatus and methods for mixing plastic materials having different densities to supply a substantially uniform quantity of the mixture of such materials to an extruder or other processing machine. The mixture of materials is fed forcibly from the mixer t... | 11/16/1993 |
| 5203628 | Portable batch mixing apparatus for cementitious construction materials A portable system for on-site batch mixing of cementitious materials, such as mortar and grout, includes a batch mixing machine for metering and mixing cement, sand and water, a cement storage silo sized to hold at least one commercial delivery truckload ... | 04/20/1993 |
| 5125329 | Apparatus for continuously producing and maturing curds The apparatus is capable of supplying curds continuously, and comprises: a horizontal channel with a tapered bottom, having a feeding auger arranged in the bottom and actuatable by motor means; several cradles with semicircular section, rotatably carried ... | 06/30/1992 |
| 5109682 | Apparatus for the preparation and distribution of dye solutions in dyeing plants The invention discloses an apparatus for the preparation and distribution of dye solutions to a dyeing apparatus or to a color kitchen, including a unit for the loading of powder-dye into dissolution vats, a collector unit for conveyance of the dye soluti... | 05/05/1992 |
| 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 |
| 4830508 | Controlling method and a measuring mixer for liquids and powders A measuring mixer for use with either liquids or powders in which different supply systems supply different stock liquids or powders to a receiving container from supply containers. A continuously variable flow regulator is associated with each supply con... | 05/16/1989 |
| 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 |
| 4669886 | Apparatus for preparing a mixture An apparatus for preparing a mixture, such as mortar, with predetermined quantities by weight of the components, such as sand, cement and the like, a supply of which is present in container compartments 4, 5 of e.g. hopper 1. The container compartments ar... | 06/02/1987 |
| 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 |
| 4624575 | Cement mobile mixer A cement mobile mixer for mixing concrete from sand, aggregate, cement and water.... | 11/25/1986 |
| 4548507 | Mixing apparatus for the production of mixtures Mixing apparatus is provided for the production of mixtures of particulate solids and in particular, for the production of various mortar mixtures. The apparatus includes metering means, control means and transfer means for metering out and introducing pr... | 10/22/1985 |
| 4506982 | Apparatus for continuously blending viscous liquids with particulate solids An apparatus for continuously blending a viscous liquid, such as hot asphalt, with particulate solids, such as ground rubber, includes a vertical cylindrical tank in which is disposed a smaller vertical vessel defining therein a blending chamber. Open low... | 03/26/1985 |
| 4487507 | Portable waste processing unit A processing apparatus for sludge and liquid waste comprising a wheeled vehicle having a frame, a drum type mixer mounted for rotation on said frame, motive power means including a hydraulic pump, a hydraulic motor for rotating said drum type mixer mounte... | 12/11/1984 |
| 4475818 | Asphalt coating mix automatic limestone control The viscosity and amount of limestone in a limestone asphalt mixture (filled coating mixture) is determined sensing the density of the mixture which will indicate the percent of limestone in the mixture and also sensing the temperature of the mixture, and... | 10/09/1984 |
| 4436430 | Device for the continuous mixing of a dry finished mortar A device for mixing mortar with a liquid or foaming material includes a reservoir for the dry mortar, a housing containing a portion of a driven shaft with the housing terminating at one end in a mixing chamber; the mixing chamber contains a disc attached... | 03/13/1984 |
| 4304493 | Sand mixer A foundry sand mixer for mixing and dispensing silica or green sand and their additives through the enclosed longitudinal belt conveyor mechanism having a plurality of openings in the top communicating with a first feeder disposed above the enclosed longi... | 12/08/1981 |
| 4298288 | Mobile concreting apparatus and method A mobile concreting apparatus and method which may be used, in particular, for on-site construction of swimming pools. It includes a vehicle supporting a plurality of containers, each adapted to contain one of the ingredients of concrete. Each container i... | 11/03/1981 |
| 4269798 | Method for producing a curable, filled resin composition, e.g., artificial marble A filler material and a heated, catalyzed synthetic resin are sequentially introduced into a mixer. The mixer has a conveying section and a mixing section. The resin and filler are introduced into the conveying section, which forces the combined resin and... | 05/26/1981 |
| 4117547 | Apparatus for the preparation of mortar or the like Apparatus for the preparation of mortar has a wheel-mounted frame for an elongated vessel which receives metered quantities of solid and liquid constituents from discrete feeding units. The vessel has an outlet and contains a rotary homogenizing and evacu... | 09/26/1978 |
