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| Number | Title | Issue Date |
| 7329071 | Device for the pneumatic conveying of particulate and powdery bulk material Devices for the pneumatic conveying of particulate and powdery bulk goods to obtain high conveying speeds with low energy expenditure. The devices have a fluidized conveying pipe with fluidizing elements, in which pipe the fabric layers of the fluidizing elements ar... | 02/12/2008 |
| 7302952 | Device and process for conveying rod-shaped filter elements Device and process for conveying filter elements to a filter element magazine. The device includes a rotatable drum comprising at least one seat for receiving a filter element and a detection device that controls a rotation of the drum and detects the filter element... | 12/04/2007 |
| 7278804 | Methods and systems for delivering lost circulation material into drilling pits Disclosed herein are embodiments of a method and system for delivering lost circulation material, particularly cottonseed hulls, into oil and gas drilling pits. According to one exemplary embodiment, a method of delivering lost circulation material from a bulk sourc... | 10/09/2007 |
| 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 |
| 7192222 | Method of use of a pneumatic conveying apparatus for conveying glass fibres with specific properties The invention describes a method of use of a conveying apparatus for the pneumatic conveyance of sized glass fibers, the sized glass fibers having a size extractability of at most 85%, preferably at most 50% and with particular preference at most 40%. ... | 03/20/2007 |
| 7144204 | Pneumatic conveyor device and method The invention relates to a device for the pneumatic conveyance of bulk material, including a conveying pipe which defines a conveying path for the bulk material and in portions has a fluidizing pipe segment and a propellant gas source which is connected to the conve... | 12/05/2006 |
| 7114889 | Powdery particle conveying system and roots blower operating method A powdery particle conveying system is provided in which electric power consumption can be saved when powdery particles are conveyed by use of a roots blower. In the case where the powdery particles are conveyed to a reservoir tank near the roots blower, the frequen... | 10/03/2006 |
| 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 |
| 7021870 | Device for the transport of granular solid particles with a controlled flow rate Process and device for the transport of granular solids with a controlled flow rate, in particular for the transport of catalyst in a hydrocarbon reforming unit. The device comprises a gravity-feed pipe (A) for solid particles in the dense phase, a pneumatic transpo... | 04/04/2006 |
| 7006665 | Adaptive, product control and stabilization sub-system for camera-based optical character recognition, and a method of operating the same A mail article transportation and stabilization system, and a method of operating the same, for use in conjunction with a camera-based optical character recognition (OCR), bar code reader (BCR), or similar image capture scanning system, comprises a conveyor drive be... | 02/28/2006 |
| 6997600 | Intermittent agitation of particular matter Example embodiments of the present invention include systems and methods for intermittent agitation of particulate matter. In some embodiments, a mechanical agitator is intermittently activated within in a particulate-matter-delivery system. ... | 02/14/2006 |
| 6935813 | Control mechanism, an installation and a method for transporting bulk material, granular material or powdery material through a conveyor line A control mechanism (20; 70) and a method for use in an installation for transporting bulk material, granular material or powdery material through a conveyor line (1) with the aid of a pressurized gaseous medium. The control mechanism (20; 70) i... | 08/30/2005 |
| 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 |
| 6786681 | Method and apparatus for the pneumatic conveying of fine bulk material A method and an apparatus for the pneumatic conveying of fine bulk material, in particular glass fibers. The apparatus includes (i) a pneumatic conveying pipe having an upstream first portion, a downstream second portion, and a discharge point located further downst... | 09/07/2004 |
| 6764253 | System and method for assuring fluidization of a material transported in a pneumatic conveying system In a system for pneumatically conveying a bulk particulate material including a first conduit formed of a gas permeable material, a second conduit formed of an impermeable material encompassing and spaced from the first conduit, a plurality of partition walls dispos... | 07/20/2004 |
| 6729808 | Mail delivery system A mail delivery system includes a housing having a bottom wall, an upper wall, and a peripheral wall. An elongate tubular member has a first end attached to an opening in the peripheral wall. The second end extends into a dwelling. The elongate tubular member has a ... | 05/04/2004 |
| 6685401 | Apparatus and method for controlling suspended articles in an air conveyor The air conveyor comprises a guide rail (3) on which the articles (1) are to be suspended, and along which the articles are to be transported in a given direction of transport. The conveyor system provides a pneumatic means to move the articles in the dir... | 02/03/2004 |
| 6447215 | Method and plant for pneumatic transport of solid particles The present invention provides a method and plant for the pneumatic transportation of solid particles in the form of a diluted phase through a conduit (1), with which the transport air in said conduit is given a velocity which is at most equal to the air ... | 09/10/2002 |
| 5855456 | Apparatus and method for unblocking conveying pipe A bulk material conveying system for use with a bulk material holding tank having at least one outlet. The conveying system includes a main supply line for carrying pressurized gas and a material conveying line having an inlet and an outlet. The material ... | 01/05/1999 |
| 5813061 | Air pressure driven vacuum sewer system A vacuum sewer system comprises a normally closed sewer valve connected between the outlet opening of a waste receiving unit to be emptied and a sewer pipe, and an ejector. The ejector is an integrated part of the sewer pipe. The sewer pipe includes one p... | 09/29/1998 |
| 5697488 | Apparatus for transporting rod-shaped articles An apparatus for transporting filter rod sections between the outlet of a magazine and the inlet of a pneumatic conveyor has a rotary drum with axially parallel peripheral flutes for the transfer of filter rod sections from the magazine into alignment wit... | 12/16/1997 |
| 5651643 | Apparatus for transporting sections of filter rods Apparatus for conveying filter rod sections from storage or from a maker to a reservoir or to a filter tipping machine for cigarettes or other rod-shaped articles of the tobacco processing industry has a first conveyor which advances the filter rod sectio... | 07/29/1997 |
| 5641250 | Method and apparatus for transporting filter rod sections Filter rod sections are transported sideways from a magazine containing a pile of parallel sections toward positions of alignment with the inlet of a pneumatic conveyor and are propelled into the conveyor at a transfer station where they continue to move ... | 06/24/1997 |
| 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 |
| 5584612 | Apparatus and process for pneumatically conveying material and for controlling the feed of supplemental gas An apparatus for pneumatically conveying powered or granular material in a tubular conveyer using air assists for material conveying. The gas is supplied to the air assists from a connecting conduit having compressed gas at high plant pressure. The air as... | 12/17/1996 |
| 5556236 | Conveyor system for rod-like articles A pneumatic filter transport system has a gate (18) in a section of conveying duct (2), which gate and is openable in response to signals indicating a filter rod jam in a receiver unit (15) connected to the duct. Once opened, the gate allows remaining fil... | 09/17/1996 |
| 5407305 | Continuous dense phase conveying method utilizing high pressure gas at predetermined gas pressures within a conveying pipe A continuous dense phase conveying method and apparatus, for conveying large quantities of dry bulk material through a material conveying pipe, feed particulate material into the conveying pipe and supply a quantity of low pressure gas into the pipe to fo... | 04/18/1995 |
| 5224802 | Method and apparatus for controlling the infeed of air into the conveyor conduit of a pneumatic conveyor installation In a method of controlling the infeed of air from an auxiliary conduit of a pneumatic conveyor installation into a tubular conveyor conduit into which compressed gas is introduced from a connecting conduit and the latter, upon a rise in pressure occurring... | 07/06/1993 |
| 5071289 | Particulate delivery system A system for delivering a particulate material has a closed storage hopper for the material, the hopper having a bottom hopper outlet and a check valve connected to a top portion of the chamber for venting positive pressure from the chamber; a venturi edu... | 12/10/1991 |
| 4995765 | Method of collecting wastes and system therefor A sanitary waste collection system and a method therefor which enable the free disposal of waste at various places in a building, and saves labor required for carrying and collecting the waste. The waste collection system includes charge ports provided at... | 02/26/1991 |
| 4909676 | Apparatus for pneumatically conveying bulk material An apparatus for pneumatically conveying bulk material includes a conveyor line for transporting the bulk material and a secondary line which carries clean gas and is sectionized by spaced three-way/two-way directional control valves. Each control valve i... | 03/20/1990 |
| 4861200 | Apparatus for pneumatically conveying bulk material An apparatus for pneumatically conveying bulk material includes a conveyor line for transporting the bulk material and a secondary line which carries clean gas and is multiply connected via branch line and a plurality of check valves with the conveyor lin... | 08/29/1989 |
| 4715748 | Process and equipment for pneumatic and hydraulic transport of bulk materials through pipes Process and apparatus for pneumatic or hydraulic transport of bulk material in a conveying direction through a pipeline by means of over or underpressure, in which components are provided for monitoring the pressure prevailing at a plurality of successive... | 12/29/1987 |
| 4563112 | Slurry transport system A slurry transport system including a pipeline switching device mounted in pipelines so that when any abnormal condition exists in the slurry transport pipeline, the transport medium return pipeline can be used for transporting a slurry while using the sl... | 01/07/1986 |
| 4515503 | Method and apparatus for unblocking conveying pipes for particulate material A method of unblocking conveying pipes (3) for particulate material comprises feeding air to the pipe at spaced apart positions therealong in order to reduce the length of the blocking material. The air is injected into the pipe at positions which are pre... | 05/07/1985 |
| 4354775 | Pneumatic line clean out device A device for cleaning blockages of a pneumatic tube for carrying seeds or similar particulate matter comprising a sensing device adapted to sense the blockage, a gate in the tube adapted to be opened in response to the sensor and a pneumatic device to blo... | 10/19/1982 |
| 4009912 | Pneumatic conveying apparatus and method A pneumatic conveying system for a pulverant, powdery, or liquid product utilizes a high velocity stream of air to create, during normal operation, a zone of negative pressure within a transition chamber into which the product is fed from an inclined chut... | 03/01/1977 |
| 3945682 | Method and apparatus for transferring articles In transfer apparatus for receiving lightweight articles such as containers made of plastic material, from a chute, and delivering them to a conveying means, the combination is provided of a turntable or dial having partition members forming circularly di... | 03/23/1976 |
