Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8118473 | System for calculating and reporting slump in delivery vehicles A system for calculating and reporting slump in a delivery vehicle having a mixing drum (14) and hydraulic drive (16) for rotating the mixing drum, including a rotational sensor (20) configured to sense a rotational speed of the mixing drum, a h... | 02/21/2012 |
| 8007162 | Digital positioning slurry system A system to provide an efficient, faster, and consistent slurry material application through utilizing a digital positioning receiver and micro controller as means for adjusting output flow rates and percentages of the individual materials within the slurry recipe. | 08/30/2011 |
| 7686499 | Control system design for a mixing system with multiple inputs A method for mixing at least two materials is provided. The method comprises introducing the at least two materials into a physical system and combining the at least two materials to form a mixture thereof. The method also comprises independently controlling a desir... | 03/30/2010 |
| 7530728 | Water control apparatus An embodiment of a water control apparatus is disclosed that may be used with a concrete mixing assembly. The apparatus may include flowmeter unit and a normally closed valve unit. The normally closed valve unit may be in fluid communication with, and removably conn... | 05/12/2009 |
| 7494263 | Control system design for a mixing system with multiple inputs A control system for mixing at least two materials in a physical system having two or more tanks comprises at least two actuators, each actuator being operable to introduce a material into a first tank to form a first mixture, the first mixture flowing into a second... | 02/24/2009 |
| 7366621 | Program product to measure density, specific gravity, and flow rate of fluids Program product to measure fluid flow characteristics in a pipeline is provided. A vortex-shedding body is positioned within the pipeline to form vortices. A vortex meter can include a vortex frequency sensor to measure the frequency of the vortices to determine the... | 04/29/2008 |
| 7320583 | Apparatus and method for producing colored extruded food products An apparatus and associated method for varying the color and/or flavor of an extruded food product during a single production run of a single extrusion device. The apparatus includes a multi-additive injection system, which is attached to a fluid supply line of an e... | 01/22/2008 |
| 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 |
| 7284898 | System and method for mixing water and non-aqueous materials using measured water concentration to control addition of ingredients The present invention is directed to a system and method for mixing a fluid comprising water and at least one non-aqueous material. The system comprises a mixing tub and mixing head adapted to inject the fluid into the mixing tub. It also includes a plurality of lin... | 10/23/2007 |
| 7281839 | Turbine cement/water mixer 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.... | 10/16/2007 |
| 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 |
| 7252309 | Containerised handling of bulk materials and apparatus therefor A freight container (10) has a base (20) or a portion thereof that can be opened to discharge its contents. This container (10) has a top which can be opened in similar manner as the base. Another container having at least one compartment, each ... | 08/07/2007 |
| 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 |
| 7172169 | Actuating device An actuating device for regulating a control mechanism which is subject to a force against the direction of regulation. The actuating device includes a drive device which has a drive shaft and is connected in a moveable manner to a rotating spindle, by which means a... | 02/06/2007 |
| 7147360 | Disposal of cement waste from chute An apparatus and method for collecting and transporting concrete waste comprises a container, a cart for supporting and moving the container and a lifting component attached to the frame of a cement truck for lifting the cart and container off the ground for transpo... | 12/12/2006 |
| 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 |
| 7090017 | Low cost method and apparatus for fracturing a subterranean formation with a sand suspension The present invention is directed to a low cost method and apparatus for fracturing a subterranean formation. The invention involves using a centrifugal pump to combine a fracture fluid, a sand suspension and liquid additive and discharge a mixture of these componen... | 08/15/2006 |
| 7056008 | Fluid mixing system A method for continuously mixing a borehole fluid such as cement includes using a measurement of the solid fraction of a cement slurry as it is being mixed to determine the ratio of the solid and liquid components to be added to the slurry. A system for mixing the i... | 06/06/2006 |
| 7050886 | Chemical dispensing system for a portable concrete plant A computer controlled pumping and measuring system is used to dispense chemicals into a concrete mix. The redundant use of positive displacement pumps and flow meters ensure that any problems with the chemical dispensing are immediately caught. The computerized cont... | 05/23/2006 |
| 7029164 | Automated system and process for the preparation of a high viscosity fluid formulation An automated fluid formulating system for use in small scale laboratory operations. The system utilizes a computer to provide precise control over the measurement of ingredients and the entire formulating process. The novel feature of this invention is that it can p... | 04/18/2006 |
| 6965832 | Investigating different physical and/or chemical forms of materials Apparatus and a method are described for investigating polymorphs of a material, isomers of a material which allow different isomeric forms to be resolved, different hydrates/solvates and/or different salts of a material. The apparatus comprises an assembly (2 | 11/15/2005 |
| 6923566 | Portable drum jumper The current invention is to an arrangement for a portable emergency drum jumper that can be mounted to the mixer fender or mixer fender of a truck to provide emergency power to rotate the drum. The pump has been substantially reduced in size by rotating the drum at ... | 08/02/2005 |
| 6876904 | Portable concrete plant dispensing system A computer controlled pumping and measuring system is used to dispense chemicals into a concrete mix. The redundant use of positive displacement pumps and flow meters ensure that any problems with the chemical dispensing are immediately caught. The computerized cont... | 04/05/2005 |
| 6854966 | Apparatus and method for adding a coloring agent to a material for brick making An apparatus for adding a coloring agent to a material used to manufacture brick includes an extrusion container having an opening defined in the sidewall thereof. A coloring agent supply communicates with the opening for delivery of the coloring agent to the interi... | 02/15/2005 |
| 6786629 | Automated cement mixing system A method for continuously mixing a borehole fluid such as cement includes using a measurement of the solid fraction of a cement slurry as it is being mixed to determine the ratio of the solid and liquid components to be added to the slurry. A system for mixing the s... | 09/07/2004 |
| 6491421 | Fluid mixing system A method for continuously mixing a borehole fluid such as cement includes using a measurement of the solid fraction of a cement slurry as it is being mixed to determine the ratio of the solid and liquid components to be added to the slurry. A system for m... | 12/10/2002 |
| 6486475 | Method and apparatus for determining liquid absorption of aggregate A method of determining liquid absorption of an aggregate comprises providing a sample of the aggregate, adding liquid to the sample, subjecting the sample to a light source signal, monitoring a light reflected signal reflected from the sample and control... | 11/26/2002 |
| 6352360 | Continuous mixing plant A continuous mixing plant that, for example simply continuously feeds the necessary materials while metering the amount thereof and drops these materials by gravitational force so that the mixed material may be manufactured continuously. As a means for at... | 03/05/2002 |
| 6309570 | Vacuum extrusion system for production of cement-based articles A system for making extruded cement-based articles. The process can include forming a cement-based feed mixture including water, aggregate and binder and directing the feed mixture to a vacuum zone, wherein sufficient vacuum is maintained in the vacuum zo... | 10/30/2001 |
| 6085912 | Apparatus for sorting and recombining minerals background of the invention An apparatus for separating a mixture of mineral particles and recombining the mineral particles in an alterable, controlled fashion to create a plurality of products each having a predetermined, desired particle size distribution.... | 07/11/2000 |
| 6042259 | Admixture dispensing and concrete mixer monitoring system An admixture dispensing and concrete mixer monitoring system which determines the correct amount of admixture, such as a stabilizer, to dispense in a load of unused concrete or for washing out a concrete mixer includes an admixture dispensing unit linked ... | 03/28/2000 |
| 6033102 | Method and system for controlling mixing of raw materials for cement A method and a system for controlling the mixing of raw materials for cement. Component contents of a sample material is obtained at an exit side of a mill system to obtain measured modulus values of hydraulic modulus HM, silica modulus SM, and iron modul... | 03/07/2000 |
| 6004023 | Control apparatus for soil improvement machine A soil refining machine having a crushing and mixing unit (A), an earth and sand material delivery unit (B) for supplying earth and sand material into the crushing and mixing unit and a soil refining material delivery unit (C) for supplying soil refining ... | 12/21/1999 |
| 5959197 | System for determining free cement content A method and system for determining the free cement content of concrete plant waste water held in a pit or tank P in which the temperature of the water in the pit or tank and the temperature of water in a reference pit or tank R1, is measured b... | 09/28/1999 |
| 5895116 | Mobile admixture product manufacturing and delivery process and system A mobile system and process for manufacturing and delivering concrete admixture finished products comprises: providing in separate transport tanks mounted on a vehicular frame at least two raw admixture materials (components); and blending together said a... | 04/20/1999 |
| 5816312 | Method of and apparatus for reclaiming foundry sand Salvaged foundry sand is reclaimed by introducing salvaged sand into a vacuum kneading tank, adding water and binder to the salvaged sand and kneading the salvaged sand under vacuum. A target strength value of the reclaimed sand is set and the amount of w... | 10/06/1998 |
| 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 |
| 5713663 | Method and apparatus for mixing concrete in a concrete mixing device to a specified slump A method and apparatus for mixing concrete in a concrete delivery mixing truck is provided which can yield a mix with an approximate required slump. This is achieved by monitoring the torque loading on hydraulic drive which rotates a mixing barrel and not... | 02/03/1998 |
| 5695280 | Concrete stabilization system and method for utilizing same A concrete stabilization system which includes a number of subsystems to provide a complete reuse and reclaiming of all concrete which remains unused at the end of the production day, and also reclaims all constituents of washout concrete from a number of... | 12/09/1997 |
| 5667298 | Portable concrete mixer with weigh/surge systems An improved concrete mixing plant is mounted on several mobile chassis to provide portability. The plant includes a horizontally oriented, internally urethane coated mixing drum having spiral and lift flights such that the rate of discharging concrete mat... | 09/16/1997 |
