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| Number | Title | Issue Date |
| 8176634 | Method of manufacturing a well screen An expanded non-bonded mesh well screen. A method of manufacturing a well screen includes the steps of: expanding at least a portion of a screen jacket; and then securing the screen jacket onto a base pipe. A well screen system includes a base pipe and an at least p... | 05/15/2012 |
| 8127447 | Method for downhole screen manufacturing A method of making a screen for downhole use uses mesh screen layers that are diffusion bonded to each other. The ends that will overlap to make a seam when the sheets that are attached together are rolled into a tube are compressed before the tube shape is created ... | 03/06/2012 |
| 8127448 | Method for making drainage element The machine employs a forming collar to shape a continuous web of material longitudinally about a barrel with the longitudinal edges splayed outwardly and over each other. A sewing machine spaced radially from the barrel secures the longitudinal edges together to fo... | 03/06/2012 |
| 8051568 | Grate cover apparatus and method The present invention relates to a temporary grate cover apparatus for placement over a storm water grate to filter sediment and trash from entering the storm drain during a construction project and to a method of making and attaching a storm water grate cover to a ... | 11/08/2011 |
| 7996993 | Temporary vascular filter guide wire A method of making a filter is disclosed including providing a mandrel, positioning a filter form on the mandrel, the filter form including a dissolvable compound, disposing a filter basket over the filter form, dissolving the filter form, and removing the mandrel f... | 08/16/2011 |
| 7765698 | Method of making electret articles based on zeta potential A method of making an electret article, from a polymeric article that has a zeta potential of greater than or less than −7.5 millivolts. The article is charged by contacting it with an aqueous liquid that has a pH and conductivity as follows: (i) if the article ha... | 08/03/2010 |
| 7757401 | Method for manufacturing a screen for downhole use An assembly method for a downhole screen is disclosed. In the preferred embodiment, the filtration layer is slipped over a perforated base pipe and an expansion technique is used to increase the base pipe diameter to the point where, preferably, an interference fit ... | 07/20/2010 |
| 7716834 | Screen manufacturing method and welding apparatus thereof The present invention relates to a method for manufacturing a screen and welding apparatus thereof, putting a metal filter net around the outside of a support sheath and fixing the metal filter net to the outside of the support sheath by way of welding, such that th... | 05/18/2010 |
| 7640663 | Filter member producing method A method for fabricating a filtering member in which overlapping portions of a wire are bonded together in a layered manner through thermal treatment for forming a mesh is disclosed. In accordance with the method, a contact surface pressure between portions of the w... | 01/05/2010 |
| 7559146 | Wire mesh filter with improved hoop strength A compressed wire mesh filter for an airbag assembly has one or more wires wrapped around the outer perimeter of the filter prior to final compression of the mesh to increase the hoop strength of the filter. ... | 07/14/2009 |
| 7475477 | Method for making drainage elements The drainage element is made with a periphery formed of a filter material that allows the passage of water and prevents the passage of soil and a second peripheral section of net material that allows the passage of water while the preventing the passage of the light... | 01/13/2009 |
| 7341615 | Filter with locating feature A filter (10) and an inflator assembly (15) for use in an inflatable vehicle passenger restraint system. The inflator assembly (15) includes an inflator housing (70) having a wall (71), a combustion chamber (72) formed in an... | 03/11/2008 |
| 7325308 | Processing method utilizing display information for carrying a cell structure with a catalytic component This is directed to a processing method for carrying a cell structure (1) with a catalytic component. Information about a mass of the cell structure (1) is displayed on the surface thereof prior to the initiation of a carrying process, and in the carry... | 02/05/2008 |
| RE39940 | Screen plates and methods of manufacture The screen cylinder includes a screening plate having contoured grooves along an inflow side and a backing cylinder having a plurality of openings therethrough and disposed on the outflow side of the screening cylinder. The contoured grooves are elongated in the axi... | 12/18/2007 |
| 7291195 | Durable filter cage for air-moving system The disclosure provides a system having a cage mounted in an air-moving system, such as a wet and dry vacuum cleaner, which provides energy-absorbing structural ribbing for a more robust cage. The energy-absorbing ribs can tolerate impacts better than the relatively... | 11/06/2007 |
| 7291196 | Filamentary pad for improved mist elimination and mass transfer An apparatus and method of making a filamentary pad for improved mist elimination and mass transfer comprising a plurality of layers of mesh, each layer of mesh having a plurality of mesh openings defined therein. A plurality of preferential gas flow openings, each ... | 11/06/2007 |
| 7287684 | Filter cartridge assembly and method of manufacture An apparatus for filtering well fluids and method of manufacture is disclosed. The apparatus comprises an inner support, a filter spirally wrapped around the inner support, and an outer support wrapped around the filter enclosing the filter between the inner and out... | 10/30/2007 |
| 7263755 | Method for the manufacture of fillings for utilization in the mechanical processing of aqueous paper fiber stock A method for fabricating fillings that are utilized in refiners for the purpose of refining paper fiber stock. The filling manufactured in accordance with the method of the present invention includes a base body, an overlay template on the base body and processing e... | 09/04/2007 |
| 7255725 | Porous inorganic membrane containing carbon; a process for its preparation; and use thereof A porous inorganic membrane comprises at least one inorganic phase having separating properties. Said membrane has a carbon content representing 0.05% to 25% by weight with respect to the mass of said inorganic phase and is selective to non-condensable gases. It is ... | 08/14/2007 |
| 7252142 | Annular isolators for expandable tubulars in wellbores The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the... | 08/07/2007 |
| 7249472 | Device for treating textile or similar in a continuous stream The invention relates to a device for treating web-type textiles, nonwovens or paper in a continuous stream, uses a gaseous treatment agent that circulates in the device. The product lies on the exterior face of a permeable drum (5), which is subjected to an ... | 07/31/2007 |
| 7216706 | Annular isolators for tubulars in wellbores The present disclosure addresses apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. A first deployable annular isolator is carried on tubing as it is positioned in a borehole. An annular isolator forming mate... | 05/15/2007 |
| 7208025 | Method and apparatus for filtering air passages in an alternator A filter to clean the air entering an alternator in a vehicle used in a dirty environment such as a crop harvesting machine includes a mesh filter which is coupled to an air intake of the alternator. The filter is constructed of a mesh material which is flexible and... | 04/24/2007 |
| 7198726 | Slotted substrates and methods and systems for forming same Methods and systems for forming compound slots in a substrate are described. In one exemplary implementation, a method forms a plurality of slots in a substrate. The method also etches a trench in the substrate contiguous with the plurality of slots to form a compou... | 04/03/2007 |
| 7188687 | Downhole filter A downhole filter comprises a tubular member having a wall defining a plurality of openings. The openings have an outer width less than an inner width. The parts of the opening defining the smaller width are defined by radially outer parts of the openings, such that... | 03/13/2007 |
| 7174634 | Method for producing a fluid treatment device having a honeycomb member The present invention is directed to a method for producing a fluid treatment device having a honeycomb member in a metallic cylindrical housing with a shock absorbent member wrapped around the honeycomb member. The method comprises the steps of (1) inserting the ho... | 02/13/2007 |
| 7174636 | Method of making an embolic filter Embolic protection filters and methods of making and using such devices are disclosed. An illustrative method of making a device for filtering embolic debris from a body may include the steps of molding a filter assembly that includes a distal tip and a filter porti... | 02/13/2007 |
| 7174635 | Method for producing a columnar member container A method includes the steps of (1) wrapping a shock absorbent member around a columnar member, (2) supporting one end portion of a cylindrical housing on a support member, (3) arranging the columnar member in a cylindrical guide member formed with the tapered portio... | 02/13/2007 |
| 7168570 | Screen cylinder with performance boosting configuration A screen cylinder (125) used for screening cellulosic fibrous material pulp in the pulp and paper industry incorporates first (66) and second (67) downstream surfaces (16) having contoured slopes that form a funnel entrance of the grooves... | 01/30/2007 |
| 7155967 | Formation testing apparatus and method A method and apparatus for testing formations surrounding an earth borehole. The method includes the following steps: providing a tool movable through the borehole; providing a flow line in the tool; establishing fluid communication between the formations and the fl... | 01/02/2007 |
| 7143899 | Filter element and method for manufacturing the plates thereof A filter element for pulp screens comprising at least two plates separated by a distance from each other, wherein one plate has a number of projections formed thereon, and the projections being directed towards the other plate. The plates are attached to each other ... | 12/05/2006 |
| 7134501 | Expandable sand screen and methods for use A particulate screen suitable for use in a wellbore. The particulate screen is expandable and may be at least partially formed of a bistable tubular. Also, a filter media may be combined with the bistable tubular to limit influx of particulates. ... | 11/14/2006 |
| 7125491 | Screen and process for manufacturing a screen of this kind A flat or cylindrical screen includes rods and rod-bearing supporting elements. The rods have protrusions in the side walls which are received into inversely shaped recesses in a supporting element. The screen is manufactured by bending the supporting elements open ... | 10/24/2006 |
| 7111392 | Method of producing a fragile substrate container The present invention is directed to a method of producing a container such as a catalytic converter for holding a fragile substrate in a cylindrical housing with a shock absorbent member wrapped around the substrate, with an appropriate holding force determined on ... | 09/26/2006 |
| 7093653 | Downhole filter A downhole filter comprises a tubular member having a wall defining a plurality of openings. The openings have an outer width less than an inner width. The parts of the opening defining the smaller width are defined by radially outer parts of the openings, such that... | 08/22/2006 |
| 7082998 | Systems and methods for placing a braided, tubular sleeve in a well bore Systems and methods for placing a tubular, braided sleeve in a well bore. The sleeve is positioned within an interior of a carrier configured to hold the sleeve in an undeployed position, followed by lowering the carrier into the well bore. The sleeve may be used in... | 08/01/2006 |
| 7069657 | Method to reduce the width of a slot in a pipe or tube A method for reducing the width of slots spaced about the surface of a pipe or tube. The method comprises subjecting the surface of the pipe or tube to bombardment by a quantity of shot of a pre-determined size and for a pre-determined length of time to cause deform... | 07/04/2006 |
| 7059406 | Production-enhancing completion methods The present invention relates to improved methods for completing well bores along producing zones while controlling formation sands and increasing surface area available for production. Some embodiments of the methods of the present invention provide methods of cont... | 06/13/2006 |
| 6978900 | Braided strainer for a draw line A braided strainer for a draw line, and method of forming same. The strainer comprises a frame in the form of a pair of spaced planar plates, one being a solid end plate and the other having a control aperture. A plurality of spaced, parallel rods of similar length ... | 12/27/2005 |
| 6968922 | Exhaust apparatus for vehicle An exhaust apparatus for a vehicle includes a spark arrester having a tubular spark arrester body assembled on a rear portion of a muffler connected to an exhaust pipe. A tail pipe is inserted in the spark arrester body and is mounted on the spark arrester such that... | 11/29/2005 |
