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| Number | Title | Issue Date |
| 7202413 | Rubber insulating blanket and method using same A rubber insulating blanket of a type used by workers, such as electrical lineworkers and industrial electricians, to cover live electrical conductors, apparatus, or circuits, so as to protect themselves against electrical shock hazards, is generally square or other... | 04/10/2007 |
| 7114459 | Apparatus, system and method for litter sifter A litter sifter, litter sifter system and method for using. A litter sifter includes a lower portion having a through-holes. An upper portion is connected to the lower portion. Handles are connected to the upper portion. A distance between any two through-holes is e... | 10/03/2006 |
| 6805478 | Network type automation concrete plant The present invention relates to a network type automated concrete plant for efficiently producing and delivering ready-mixed concrete, and more particularly, to a network type automated concrete plant which can be collectively managed within a group of multiple rea... | 10/19/2004 |
| 6484079 | Methods and systems for remotely monitoring sensor data in delivery vehicles A system for monitoring and reporting sensor data associated with the delivery of concrete from a provider site to a client site by a concrete delivery mixing truck having a status sensor capable of obtaining slump related data is provided. The status sen... | 11/19/2002 |
| 6398401 | Quick-mix cement mixing and dispensing bag A quick-mix cement mixing and dispensing bag comprising a flexible tubular structure which is lightweight and waterproof. The flexible tubular structure includes an inlet end having a topside and a bottom-side where the topside has a V-shaped notch formed... | 06/04/2002 |
| 6280072 | Hand held cemetitious mixing tool A handheld cementitious mixing tool with a rectangle shaped mixing head vertically oriented and attached to an end of a tubular tool handle with a plurality of horizontal mixing blades angled so that when the mixing head is pulled towards the user the cem... | 08/28/2001 |
| 6254265 | Method and apparatus for mixing materials A method and apparatus for mixing materials comprising a unitary sheet of fiberreinforced plastic tarpaulin having reinforced stitching along the sides of the fabric and handles for grasping the tarp attached at the corners of the tarp, primarily intended... | 07/03/2001 |
| 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 |
| 5320425 | Cement mixing system simulator and simulation method A cement mixing and pumping simulator comprises actual and virtual equipment. In response to an operator controlling this equipment, signals representing operating characteristics of a cement mixing system realistically represented by the actual and virtu... | 06/14/1994 |
| 4890927 | Cement mixing apparatus The invention relates to a process for improving the characteristics of a fluid and in particular of a cement slurry for the cementing of wells, particularly of oil wells, wherein it consists in applying to this fluid an energy of between 4.8 and 6.3 kJ/k... | 01/02/1990 |
| 4889428 | Rotary mill A rotary mill to colloidalize a premixed mortar in a high energy manner so as to increase the degree of hydration comprising a hollow collector casing having a feed inlet to receive the premixed mortar and a discharge outlet for the mixed product, a pair ... | 12/26/1989 |
| 4750615 | Apparatus to maintain separate until the moment of use, two different substances within a container, particularly two-component resins The apparatus comprises a container (1) with rigid or flexible walls containing one or two resin components and a container (26) of thin glass or fragile synthetic resin containing the other component. Container (26) at the moment of use is broken either ... | 06/14/1988 |
| 4566799 | Apparatus for adjusting the quantity of liquid deposited on fine granular materials and method of preparing mortar or concrete The quantity of water on the surface of sand particles is reduced by applying an impact force, e.g. centrifugal force created by a rotating disc. The sand particles thus treated are especially suitable for preparing a green concrete compound or a cement m... | 01/28/1986 |
| 4317634 | Machine In a machine comprising a plurality of driven working implements, at least one common main drive is provided, which has a main drive shaft, from which at least some of the working implements are driven directly through the intermediary of non-positive clu... | 03/02/1982 |
| 4294547 | Mortar/concrete hand-mixing tub An improved mortar and concrete hand-mixing tub of the type having a flat bottom wall integrally joined with generally rectangular disposed, upstanding peripheral side walls terminating in an open top, with the basic improvement including a selectively op... | 10/13/1981 |
| 4256414 | Asphaltic concrete recycling apparatuses, process and system Weathered asphaltic concrete road surface material is mined at each of a series of road locations and heated at or near the site of mining and future laydown to form particulate agglomerates of aggregate and asphalt in a form receptive to asphalt rejuvena... | 03/17/1981 |
| 4226552 | Asphaltic pavement treating apparatus and method A series of treatments are performed on old asphaltic pavement to make it suitable for being satisfactorily applied as a new mat. The old asphaltic pavement is heated and scarified to form a loose aggregate-asphaltic mixture while remaining on the ground ... | 10/07/1980 |
| 4226542 | Cement slurry reclamation system and method A slurry reclamation system for use with a concrete ready-mix plant which enables 100% reclamation of the constituents of concrete mix returned to the plant site by vehicles. Returned concrete mix is dumped into an inlet hopper having a screw classifier f... | 10/07/1980 |
| 4174226 | Refractory mix composition and method of preparation The invention relates to an alumina based, phosphate bondable, dry refractory mix composition exhibiting an extended shelf life of up to eighteen months and longer. The mixture has the following preferred composition on a weight percentage basis: 40-70% s... | 11/13/1979 |
| 4030873 | Vibrating concrete screed A lightweight and portable vibrating screed is provided with an elongate open structure frame which may be made up of a plurality of interconnected frame units. A shaft is supported for rotation in spaced bearings along the frame and extends outwardly bey... | 06/21/1977 |
