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| Number | Title | Issue Date |
| 7300521 | Wall scrubber for blown insulation An insulation system comprising: a supply of material having discrete elements; an applicator assembly for installation of the material having discrete elements to a surface; and a scrubber for finishing the face of the material, the scrubber including: (a) a vacuum... | 11/27/2007 |
| 7150349 | Mechanical device combined with airflow for untangling springs The object of the invention is a means for untangling springs (60) contained in a supply bin (12), characterized in that it comprises untangling means (14) with a rail (30) for receiving springs, provided with an open groove (36), ... | 12/19/2006 |
| 7097392 | Free-flowing sulfur transport, storage and use to produce energy, fertilizer or hydrogen without carbon dioxide Elemental sulfur is combined with either liquid anhydrous ammonia, liquid sulfur dioxide, or both to form a solution or slurry which is transportable through pipelines or other transport vessels without a risk of clogging due to the environmental temperature drops t... | 08/29/2006 |
| 7080960 | Apparatus and method for transporting waste materials An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer... | 07/25/2006 |
| 7037303 | Urinary flow control valve A flow control valve (22) such as for a catheter (10) allows discharge of urine from a bladder (12) by manual actuation. The valve (22) may be a double-duckbill valve (22) with a single slit (62) at one apex (60a | 05/02/2006 |
| 6964511 | Mixing apparatus and method A mixing apparatus including a frame, a housing, and a pair of thrust generators are disclosed. The housing is pivotably mounted to the frame and is movable between a retracted position substantially parallel with the frame and an extended position substantially per... | 11/15/2005 |
| 6851896 | Fluid barriers A fluid barrier along the inside surface of ductwork between a reactor and subsequent product separation and recovery apparatus to reduce the buildup of solids on the ductwork from a gaseous product mixture conveyed through the ductwork. Barrier fluid is sprayed alo... | 02/08/2005 |
| 6079911 | Method and device for the contamination-free metering and conveying of solid powders which are to be dispersed or dissolved A device for the contamination-free conveying of powders which has a movable cone arranged within a discharge hopper, which, when in an open position, forms an annular gap between itself and the wall of the hopper. The amount of powder which is discharged... | 06/27/2000 |
| 6036406 | Mobile blower system for planting grass seed A truck is equipped with a grass seed hopper from which seed is fed into a blower pressurized conduit air flow by an air lock feeder at a first station. A motor with speed control drives the feeder and determines the rate of seed discharge. A tank on the ... | 03/14/2000 |
| 5318408 | Lubricating suspension for pumping concrete A method for the start up of a concrete pump using a small amount of an aqueous suspension of polymers, amorphous silicone dioxide and water-reducer rather than a conventional cement slurry.... | 06/07/1994 |
| 5193942 | Method and apparatus for transporting liquid slurries An improved method and device to prevent erosion of slurry transport devices is disclosed which uses liquid injection to prevent contact by the slurry composition with the inner surface of the walls of the transport system. A non-abrasive liquid is inject... | 03/16/1993 |
| 4801210 | Method and apparatus for continuous mixing of small, precise quantities of bulk materials with a liquid stream A continuous mixer is provided for combining bulk materials metered at a relatively slow rate into a liquid stream and is particularly useful for preparing an innoculant solution for treating feed pellets, seed or the like. The mixer has a vertical separa... | 01/31/1989 |
| 4721420 | Pipeline transportation of coarse coal-liquid carbon dioxide slurry A method and composition are provided for transporting coarse particles of coal in a dense liquid CO2 media. The dense media contains fine particles of densifying material such as coal or magnetite which form a suspension in the liquid CO2... | 01/26/1988 |
| 4707162 | Mineral slurries A pumpable slurry of material particles in water comprises coarse mineral particles having a particle size in the range 5 to 50 mm and fine mineral particles having a size less than 200 micron. The slurry contains 82 to 85%, preferably 83-85%, by weight o... | 11/17/1987 |
| 4704134 | Coal derived/aqueous fuel system and method of manufacture Coal char produced by the pyrolytic destructive thermal distillation of coal in the absence of oxygen is ground, sized and then admixed in suitable portions with water to form a fluidic, liquid-solid fuel system comprising a nonpolluting, stable, transpor... | 11/03/1987 |
| 4702747 | Coal derived/carbon dioxide fuel slurry and method of manufacture Coal char produced by the pyrolytic destructive thermal distillation of coal in the absence of oxygen is ground, sized and then admixed in suitable portions with a liquid carbon dioxide to form a fluidic, liquid-solid mixture which is a transportation med... | 10/27/1987 |
| 4689173 | Pentaerythritol slurries Slurries of pentaerythritol in a liquid oil in which pentaerythritol is substantially insoluble are disclosed. The slurries can contain up to 70 percent by weight or more of solid pentaerythritol. Suitable oils include propylene glycol, ethylene glycol, v... | 08/25/1987 |
| 4685840 | Method of transporting large diameter particulate matter A method of transporting large diameter solids, such as coal having a diameter of greater than 1 inch, preferably eight to twelve inches, predicated on pipe diameter, in the form of a slurry through a pipeline is disclosed. The method comprises the step o... | 08/11/1987 |
| 4645514 | Coal-aqueous slurry Coal-aqueous slurries having improved shear stability and lower viscosity are described. The use of a plurality surfactants each having hydrophilic portion with each surfactant hydrophilic portion having a different molecular weight are utilized in suffic... | 02/24/1987 |
| 4637418 | Fluid friction reduction Liquid containing composition, and the transport of pumping thereof are disclosed, which compositions achieve maximum fluid friction reduction properties at low concentration of a drag reducing agent such as less than 0.015% by weight and preferably less ... | 01/20/1987 |
| 4552568 | Method for preparing coal-water slurry A method for preparing a coal-water slurry is described, comprising the divided addition of dispersing agent or multi-step addition of dispersing agent during grinding in a process for preparing a coal-water slurry by the wet grinding of coal in water.... | 11/12/1985 |
| 4536186 | Use of poly (DMDAAC) as coal fine slurry viscosity reducer The instant invention is directed to a method of reducing the viscosity of an aqueous coal fine slurry which comprises adding poly (dimethyl diallyl ammonium chloride) to the slurry.... | 08/20/1985 |
| 4525173 | Mineral slurries A pumpable slurry of mineral particles, e.g., coal, in water contains 50 to 85% by weight of mineral particles based on the combined weight of mineral particles and water. The mineral component contains at least 30% by weight of coarse particles having a ... | 06/25/1985 |
| 4504277 | Coal-water fuel slurries and process for making same Coal-water fuel slurries having long-term storage stability and improved viscosities and comprising finely-divided coal within efficient combustion size range, water, and minor amounts of ammonium salt organic dispersant and alkaline earth metal salt orga... | 03/12/1985 |
| 4502868 | Coal-water slurries of low viscosity and method for their preparation Coal-water slurries having high solids contents and improved pumpability containing a viscosity improving additive comprising a sulfonated product of humic acids.... | 03/05/1985 |
| 4498906 | Coal-water fuel slurries and process for making Coal-water fuel slurries having long-term storage stability and improved viscosities and comprising finely-divided coal within efficient combustion size range, water, and minor amounts of alkali metal salts of organic dispersants and alkaline earth metal ... | 02/12/1985 |
| 4496367 | Pumpable aqueous slurry of a solid fuel and a process for the production thereof A pumpable aqueous slurry of a solid fuel in the form of a pulverized, carbonaceous material and a process for the production of such slurry are described. The aqueous slurry comprises a component which consists of coarse grains of carbonaceous material h... | 01/29/1985 |
| 4492589 | Anionic dispersants for aqueous slurries of carbonaceous materials Aqueous carbonaceous slurries having reduced viscosity, a stabilized network of carbonaceous material in water and improved pumpability are obtained by having present as a dispersant an alkali or ammonium bis-alkyl sulfosuccinate. An example is the sodium... | 01/08/1985 |
| 4479362 | Cryogenic cooling of pneumatically transported solids The present invention is an improved process for cooling cement which comprises injecting liquid nitrogen into a pneumatic transport line used to convey the cement.... | 10/30/1984 |
| 4475924 | Coal derived fuel composition and method of manufacture Coal char produced by the pyrolytic destructive thermal distillation of coal in the absence of oxygen is beneficiated, ground and sized and then is admixed in suitable portions with a liquid organic fraction to form a combustible, liquid-solid mixture whi... | 10/09/1984 |
| 4462808 | Dispersant for high solids coal-water slurries An improved coal-water slurry containing finely divided coal particles and a dispersing agent which is comprised of a water-soluble homopolymer of a monomer represented by the formula: ##STR1## wherein: M is hydrogen, lithium, sodium, potassium, magn... | 07/31/1984 |
| 4455149 | Process for the production of fuel compositions A process for producing a dispersion composition suitable for use as a fuel is described, comprising kneading (a) a bituminous substance, (b) a low molecular weight aliphatic alcohol, and (c) water, a water-containing organic compound, or an aqueous organ... | 06/19/1984 |
| 4436528 | Aqueous slurries of carbonaceous materials Aqueous carbonaceous slurries having reduced viscosity, a stabilized network of carbonaceous material in water and improved pumpability are obtained by having present a salt of naphthalenesulfonic acid formaldehyde condensate and at least one water solubl... | 03/13/1984 |
| 4417901 | Mixed fuel of coal and oil A mixed fuel of coal and oil in the form of a dispersion of coal particles in oil. The coal particles comprise coal particles (A) having a median diameter of 10 microns or less together with coal particles (B) having a median diameter of between 15 and 42... | 11/29/1983 |
| 4415338 | Aqueous carbonaceous slurries Aqueous carbonaceous slurries having reduced viscosity, a stabilized network of coal in water and improved pumpability are obtained by having present a salt of naphthalenesulfonic acid formaldehyde condensate and at least one water soluble polymer selecte... | 11/15/1983 |
| 4398852 | Process and apparatus for adding and removing particles from pressurized reactors A method for adding and removing fine particles from a pressurized reactor is provided, which comprises connecting the reactor to a container, sealing the container from the reactor, filling the container with particles and a liquid material compatible wi... | 08/16/1983 |
| 4375358 | Fuel slurries of solid carbonaceous material in water Stable, pumpable slurry compositions of finely divided solid carbonaceous material in water are described. The composition includes a gelling agent to provide a supporting gel having a yield stress and a viscosity builder to reduce the bleeding of the sup... | 03/01/1983 |
| 4357257 | Low viscosity slurry and method of preparing same A low viscosity slurry is prepared by first making a powder such that the shape of the particles of the powder is granular and then mixing the powder and a suitable dispersant.... | 11/02/1982 |
| 4356105 | Low viscosity slurry and method of preparing same A low viscosity slurry of aggregates of crystals in a dispersant is prepared by first making aggregates of crystals by the method of direct precipitation, the shape of the aggregates being granular, and then mixing the aggregates and the dispersant.... | 10/26/1982 |
| 4356078 | Process for blending coal with water immiscible liquid A continuous process for blending coal with a water immiscible liquid produces a uniform, pumpable slurry. Pulverized raw feed coal and preferably a coal derived, water immiscible liquid are continuously fed to a blending zone (12 and 18) in which coal pa... | 10/26/1982 |
