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| Number | Title | Issue Date |
| 8066126 | Screening arrangement A screening arrangement in a vibrating screen for screening of material, such as crushed stone, gravel or the like. The screening arrangement is a cross-tensioned or longitudinally tensioned screening media including elements arranged on top of the screening media f... | 11/29/2011 |
| 8025153 | Screening arrangement A screening panel 10 comprises a peripheral frame 12 consisting of a pair of mutually laterally spaced side members 14, 16, which are integral with a pair of mutually axially spaced end members 18, 20. The side members 14, 16 and e... | 09/27/2011 |
| 8020705 | Screen assemblies utilizing screen elements retained in perforated supports A screen retention mechanism for use with vibratory separators is disclosed. The screen retention mechanism includes a structural frame mounted to a vibratory separator into which a plurality of lightweight and flexible screen elements are inserted into multiple tow... | 09/20/2011 |
| 7954645 | Vibration screen system A vibratory plate screen having a first end for quickly mounting in a vibrator housing, an intermediate region with openings therein and a securement end that allows one to quickly secure a vibratory plate screen in a vibratory housing. In addition, the screen is su... | 06/07/2011 |
| 7946428 | Screen panel center retainer system A screen panel center retainer system utilizes a center retainer that is provided with a retainer base which is adapted to be secured to screen stringer rails of a vibrating separatory machine. A pair of retainer channel legs form an upper portion of the center reta... | 05/24/2011 |
| 7946427 | Screen assemblies utilizing screen elements retained in perforated troughs A screen assembly is disclosed for use with vibratory separators. The screen assembly includes a structural frame mounted to a vibratory separator into which a plurality of lightweight and flexible screen elements are inserted into multiple rows of perforated trough... | 05/24/2011 |
| 7866482 | Molded end cap for oilfield screens A filter screen to be used in conjunction with a shale shaker in removing solid matter from drilling fluids includes a filter plate having a plurality of perforations, a plurality of hold-down apertures, and a pair of end caps attached to the filter plate, wherein e... | 01/11/2011 |
| 7819254 | Sifting screens A frame over which woven wire mesh is to be stretched and secured to form a sieving screen and which can be used to screen solids from drilling mud recovered from down-hole when drilling for oil or gas. The frame is a rectilinear moulded plastics frame having edge r... | 10/26/2010 |
| 7717269 | Snap lock separatory panel and retainer system A snap lock separatory panel and retainer system includes either a screen wire panel with laterally spaced, longitudinally extending locking bars defining a locking profile, or a urethane panel with laterally spaced, longitudinally extending lips or flanges which al... | 05/18/2010 |
| 7654395 | Screening module A screening module for a screening assembly includes a panel member having a periphery defined by a pair of opposed, parallel sides and a pair of opposed parallel ends. A mounting formation is arranged about at least a part of the periphery of the panel member for m... | 02/02/2010 |
| 7478728 | Screen system A screen system 8 suitable for use in a vibratory screen apparatus 1, comprising: a screen element 11 consisting essentially of a mesh panel 19 provided with first and second elongate support members 22, 23 extending along opposite... | 01/20/2009 |
| 7464821 | Screen assembly for vibratory screening machine A screen assembly for a conventional vibratory screening machine includes a series of screens bonded to a rigid rectangular metal frame having rectangular tubular frame members and at least two and no more than ten intermediate frame members. This leaves a series of... | 12/16/2008 |
| 7413087 | Screen deck A screen deck runner assembly (20) suitable for use in a vibratory screening machine characterized by the assembly including a saddle member (5), being configured and 420 dimensioned to removably straddle a screen deck runner (1) and to engage a... | 08/19/2008 |
| 7331469 | Vibratory separator with automatically adjustable beach A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac... | 02/19/2008 |
| 7322433 | Tool for excavating an object A Tool for excavating an object, the tool having a jetting system arranged to impinge the object to be excavated with a jetted stream of a drilling fluid mixed with abrasive particles, the jetting system being provided with at least a mixing chamber wit... | 01/29/2008 |
| 7278540 | Adjustable basket vibratory separator A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the... | 10/09/2007 |
| 7273151 | Sieve bed for a sifting machine The invention pertains to a sieve bed for a sifting machine, consisting of rectangular sieve elements (10), which are attached to a support frame (1) with their edges abutting each other, the support frame being provided with mushroom-shaped mounting p... | 09/25/2007 |
| 7264125 | Undulating molded plastic vibratory screen An undulating molded plastic vibratory screen including a base, a plurality of spaced substantially parallel undulations on the base, screen configurations on the undulations, and supporting rib structure within the undulations. ... | 09/04/2007 |
| 7249677 | Dual hardness composite screen frame A screen assembly for a vibratory separator includes a composite screen frame that has a rigid support section formed from a polymer material and a cushioned strain relief zone. The strain relief zone is located along the inner periphery of the rigid support section... | 07/31/2007 |
| 7228971 | Vibratory screening machine and vibratory screen and screen tensioning structure A vibratory screening machine having opposite sides with a plurality of stationary aligned tensioning members mounted on one side and a plurality of nut actuated movable tensioning members mounted on the opposite side and a vibratory screening screen mounted on the ... | 06/12/2007 |
| 7216767 | Screen basket and shale shakers A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket including two opposed spaced-apart side walls having first e... | 05/15/2007 |
| 7216768 | Screen system The present invention provides a screen system (8) suitable for use in a vibratory screen apparatus (1), and comprising: a screen element (11) and a support frame (12) therefor, as well novel screen elements (11) and mesh panels ( | 05/15/2007 |
| 7210582 | Screen and screen frame for improved screen to shaker placement, handling and retention A frame for a screen utilized in a shaker separator, the frame including: a first (2) and a second (4) longitudinal support member (2) spaced apart from and substantially parallel to the each other; one or more inner longitudinal support member ... | 05/01/2007 |
| 7198156 | Dam basket for vibratory separators A vibratory separator and a screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, at least one screen assembly mounted in the b... | 04/03/2007 |
| 7188688 | Down-hole tool filter and method for protecting such tools from fluid entrained debris An improved apparatus for filtering down-hole drilling fluids, insertable at any point in the drill string, i.e.: tool joints or within instrument subs. The filter element is a disk insertable between the two threadably connected ends of any two lengths of the drill... | 03/13/2007 |
| 7175027 | Shaker screen and clamping system A screen assembly, holding apparatus for it, and a vibratory separator with it, the vibratory separator, in one aspect, for separating components of material introduced thereto, the vibratory separator including a basket, a collection receptacle beneath the basket, ... | 02/13/2007 |
| 7175028 | Vibratory screen assemblies A screen assembly which includes a frame, a plurality of openings in the frame, a screen overlying the openings, a plurality of spaced tapered ribs on the opposite side of the frame from the screen, a first end on the frame with a lip, and a second end on the frame ... | 02/13/2007 |
| 7152743 | Screening panel securing system A screening assembly 10 includes at least one rail 14 to be secured to a support member of a screening machine. At least one locating formation 16 extends from an operatively upper surface of the rail 14. Each locating formation 16... | 12/26/2006 |
| 7150358 | Shaker screen clamping and sealing assembly An assembly for sealing a shaker screen assembly in a shaker separator includes a substantially inflexible gasket affixed to each screen support and a flexible gasket affixed to each screen support such that the screen frame rests atop the gaskets on the support aro... | 12/19/2006 |
| 7121759 | Grating system A grating system includes a first welded subassembly and a second non-welded subassembly joined to one another. The first subassembly includes spaced elongated bearing bars and spaced elongated cross bars extending transversely to the bearing bars. The second subass... | 10/17/2006 |
| 7096627 | Rain head A rain head is disclosed having three filters through which water entering an inlet to the rain head must pass before passing out through an outlet from the rain head. The filters remove successively smaller particles from the water. ... | 08/29/2006 |
| 7094297 | Methods for making screen assemblies A method for making a screen assembly for use in a vibratory separator, the method, in certain aspects, including producing a heated first screen assembly; cooling the first screen assembly while a second heated screen assembly is being made; and cooling the second ... | 08/22/2006 |
| 7090083 | Module for screening or diverting particulate material and method of producing the module A module is provided for screening or diverting particulate material. A method for producing a module for screening or diverting particulate material is also provided. Each module comprises either a screening member having an array of sieve apertures of a predetermi... | 08/15/2006 |
| 7066334 | Screening panel securing system A screening assembly 10 includes at least one rail 14 to be secured to a support member of a screening machine to lie parallel to, and intermediate, side members of the screening machine. At least one locating formation 18 stands proud of an ope... | 06/27/2006 |
| 7063214 | Interlocking screens for vibratory separators Interconnectible screen assemblies for vibratory separators or shale shakers and methods for manipulating such screen assemblies which, in certain aspects, include a first screen assembly and a second screen assembly positioning at least a portion of the first scree... | 06/20/2006 |
| 7040488 | Screens and seals for vibratory separators A vibratory separator having a basket for supporting screen assembly apparatus, the basket having an interior surface, vibrator apparatus connected to the basket to vibrate it and the screen assembly apparatus releasably secured thereto, seal apparatus connected to ... | 05/09/2006 |
| 7037437 | Dual filter system for filtering of injector fluids A filtering system used on a meat injection machine that injects pickling into meat products. The filter consists of a tank and a first and second rotary filter. The first rotary filter uses a wedge wire wound cylinder and augers having flutes that rotate to catch a... | 05/02/2006 |
| 7011218 | Vibratory screen assemblies A screen assembly which includes a frame, a plurality of openings in the frame, a screen overlying the openings, a plurality of spaced tapered ribs on the opposite side of the frame from the screen, a first end on the frame with a depending lip, and a second end on ... | 03/14/2006 |
| 7000776 | Screen assembly for vibratory separators Screen assemblies for a vibratory separator and methods of using them, the screen assemblies in one aspect including a first screen portion having a first end and a second end spaced apart from the first end, a second screen portion adjacent the second end of the fi... | 02/21/2006 |
| 7001515 | Dual filter system for filtering of injector fluids A filtering system used on a meat injection machine that injects pickling into meat products. The filter consists of a tank and a first and second rotary filter. The first rotary filter uses a wedge wire wound cylinder and augers having flutes that rotate to catch a... | 02/21/2006 |
