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| Number | Title | Issue Date |
| 7413388 | Method and apparatus for pneumatically conveying bulk material which does not flow readily The invention relates to a method and an apparatus for pneumatically conveying bulk material which does not flow readily, in which: bulk material is metered by means of one or more input device(s) (8) into a lateral conveyor... | 08/19/2008 |
| 7353858 | Cap for servicing molding-system valve Disclosed is: (i) a cap for servicing a molding-system valve, and (ii) a method of a cap for servicing a molding-system valve, amongst other things. ... | 04/08/2008 |
| 7314131 | Elevating conveyor An elevating conveyor for flowable material comprises an inlet (14) and an outlet (20) at opposite ends of a tubular barrel (1) surrounding a helical elevating member (2). Elevating member (2) is restrained against rotation about a... | 01/01/2008 |
| 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 |
| 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 |
| 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 |
| 6915896 | Cleaning drain apparatus for an auger assembly A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ... | 07/12/2005 |
| 6779692 | Apparatus and method for increasing density of finely divided particulate matter An apparatus for removing air from finely divided particulate material comprises a housing including a vent; an inlet to the housing; an outlet from the housing; a helix, rotatably mounted in the housing, the helix being adapted upon rotation to feed a particulate m... | 08/24/2004 |
| 6561691 | Method and apparatus for the distribution of ice An ice delivery system includes an ice bin with an ice maker thereon. An auger dispenses ice from the bin and agitators within the bin prevent blockage. The agitation may follow a pattern depending on the location of the agitators with some about the peri... | 05/13/2003 |
| 6224297 | Method and apparatus for use in conveying material A dispensing apparatus for dispensing a particulate material having an upstream source of particulate material, a delivery device disposed downstream of the upstream source of particulate material and communicable with the source for delivering the partic... | 05/01/2001 |
| 5634713 | Pneumatic material transporter and mixer A pneumatic material transporter includes a material hopper (2), a screw conveyor (3) to transport the material (supplied from the hopper) from the rear portion to a front portion of the screw conveyor, a pressure chamber portion (5) to receive the materi... | 06/03/1997 |
| 5615987 | Worm conveyor for bulk material Worm conveyor for bulk material, the outlet of which is separated from an outlet chamber, in which a higher gas pressure obtains than at the inlet of the worm conveyor, by a non-return flap, which is pressed by a flexible force into the closed setting. Th... | 04/01/1997 |
| 5178496 | Method and apparatus for conveying solid particles to abrasive cutting apparatuses A method and apparatus conveys solid particles from a supply device to a charging device for charging free-flowing cutting jets. Positive charging of the cutting jets even when located at a greater or remote distance from the supply device is ensured. To ... | 01/12/1993 |
| 5020858 | Method of and apparatus for forming and transporting mud clogs A method of transporting mud, in which mud agitated and fluidized is supplied, while being pressurized by a pressurizing vane, through a check valve to a mud supply portion, and in which pressurizing air is supplied to the mud supply portion in a mud tran... | 06/04/1991 |
| 4945661 | Dredging apparatus Mud is taken into a vertical screw conveyor while an inlet device is rotating or without the use of such an inlet device. The mud is sent from the discharge port of the conveyor into a transport pipe. The mud is forcibly sent by a compressed air. Screens ... | 08/07/1990 |
| 4881862 | Screw seal A screw seal for conveying bulk particulate solids between spaces at differing gas pressures with minimal leakage of gas. A tubular housing encloses a screw conveyor section and a sealing section receiving the solids and forming a sealing plug. The sealin... | 11/21/1989 |
| 4826361 | Conveying device for transportation of flowable materials A device for the transportation of flowable material in pulverulent, granular, lump, granulated or pasty form in a feed pipe comprises a coaxial endless feeder screw which is rotatable in the forward or reverse direction and a drive mechanism for driving ... | 05/02/1989 |
| 4705432 | Apparatus for preparing sulfur particles having uniform size distribution The invention is a process and apparatus useful for preparing a porous, particulate sulfur by combining a coherent molten sulfur stream with a coherent water stream to provide an aqueous slurry of a porous, particulate sulfur having a uniform particle siz... | 11/10/1987 |
| 4615647 | Pneumatic conveying device and flap valve A conveying apparatus includes a casing having a bore therethrough with an inlet for solid particulate material to be conveyed and an outlet. A screw impeller is rotatably mounted in the casing by front and rear bearings with the rear bearings being posit... | 10/07/1986 |
| 4525106 | Pneumatic conveying device Apparatus for conveying solid particulate material which takes the form of a line charging device for a pneumatic conveying system. The apparatus is of the type which includes a screw impeller rotatable in a casing for advancing material from a hopper thr... | 06/25/1985 |
| 4473327 | Apparatus for injecting pulverulent material Apparatus for injecting pulverulent material into a conveying pipe 12 under a higher pressure by means of a worm 2 mounted in overhead manner in a casing, which conveys against a check valve. Between the worm and check valve 14 is provided a chamber 11 wh... | 09/25/1984 |
| 4109966 | Pneumatic conveying device Apparatus for conveying solid particulate material including a casing having bore therethrough and an inlet for material to be conveyed and an outlet. A screw impeller is rotatably mounted in the casing by front and rear bearings with the rear bearing bei... | 08/29/1978 |
| 3975058 | Particulate solids pump This particulate solids pump is of the screw conveyor type for transmitting particulate solids from a hopper through a barrel when the screw conveyor is rotated and in which a flowstream of gas is supplied for facilitating the movement and suspension of t... | 08/17/1976 |
| 3953077 | Vacuum-and-pressure pneumatic conveying installation for pulverized materials The installation comprises a jet blower whose suction space is connected with a settling chamber for building up a vacuum therein required for drawing the material into said settling chamber and sucking dusty air from it while its delivery space is connec... | 04/27/1976 |
| 3931999 | Apparatus for hydraulically transporting solids Apparatus for forming a particulated solids-carrier liquid slurry and transporting it between first and second locations wherein a continuous stream of carrier liquid is flowed to the first location at a constant flow rate and particulated solids to be tr... | 01/13/1976 |
