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| Number | Title | Issue Date |
| 8025152 | Sieve apparatus and method for use of same An apparatus and a method of screening a material containing a solid and fluid where the material is placed on an upper side of a screen element and the material is at least being acted on by vibrations produced by at least one acoustic sound source. The at least on... | 09/27/2011 |
| 7484624 | Granular body-processing apparatus A grain processor comprises a conveyor, air-suction means, and air-blowing means. The conveyor has a surface defining a conveying course on which grains are disposed, and the surface has holes smaller than the grains. The air above the surface is sucked downward thr... | 02/03/2009 |
| 7308786 | Rod for rotating rod-bands A rod for rotating rod-bands for agricultural machines, and a method of making the same, are provided. The rod comprises a rod body and metallic securement pieces serving for placement on flexible, pull-resistant belts. The securement piece has a first, flat length ... | 12/18/2007 |
| 6910587 | Gumbo separator methods and apparatuses A separator system for separating first material from second material, in one aspect for separating gumbo from drilling fluid, a combination of the first material and second material introducible to the separator system, the separator system having a screen conveyor... | 06/28/2005 |
| 6811032 | Shaker roll screen A shale shaker or vibratory separator for treating material, e.g. in one aspect, a shale shaker for treating drilling fluid having contaminants therein, the shale shaker having a base, a basket on the base, fluid introduction apparatus for introducing the drilling f... | 11/02/2004 |
| 6622869 | Separating device for solids and method for separating solids In order to enable a reliable and continuous separation of a solid material, a separating device includes a moving belt which revolves around deflection rollers. Transverse strips and longitudinal strips are provided on the moving belt. The transverse and... | 09/23/2003 |
| 6612445 | Industrial filter with arrangement for removing machining chips from coolant prior to filtering An arrangement for removing chips from a machining coolant prior to filtering out the finer solids in a main filter. A coarse weave belt is frictionally driven along a strainer bottom wall of an auxiliary tank suspended above the main filter tank, the per... | 09/02/2003 |
| 6250476 | Municipal waste separator A separator includes a continuous inclined screening belt that passes over an upper roller and a lower roller to screen debris from municipal wastewater. The debris is then conveyed to a debris discharge outlet. A puddle of debris-laden wastewater forms a... | 06/26/2001 |
| 6223905 | Particle separator including continuous train of separating pans A separator 10 is disclosed and claimed. The separator includes a continuous separating assembly 20 following a trajectory having a top run A and a return run B. The assembly includes a train of articulated pan assemblies 22.1 to 22.n. Each pan assembly i... | 05/01/2001 |
| 6220445 | Self-cleaning continuous-belt drilling mud separation system A continuous-belt drilling mud separation unit is removably mounted in a box-like housing disposed in the flow path of drilling mud or drilling fluids and is operated by a motor on the housing. The separation unit includes a generally rectangular frame, a... | 04/24/2001 |
| 6105785 | Composite rollers for continuous-belt drilling mud separation unit A pair of cylindrical composite rollers formed of a metallic drum having a thick outer elastomeric layer are mounted transversely in a rectangular frame of a drilling mud separation unit over which a wide endless-loop chain-link belt is driven in a contin... | 08/22/2000 |
| 6082551 | Vibration-type screening machine A vibration-type screening machine capable of screening loose material with a significantly enhanced efficiency includes a stationary base frame, a pair of upstanding side plates supported on the stationary base frame through spring suspensions and dispos... | 07/04/2000 |
| 6024228 | Bypass diverter box for drilling mud separation unit A bypass diverter box disposed upstream from conventional solids control equipment of a mud system of a drilling rig contains a drilling mud separation unit having a continuous-loop scalper screen that is driven in a continuous loop to separate, convey an... | 02/15/2000 |
| 5921399 | Gumbo separator A gumbo separator has a continuous, inclined, moving screen belt which rides on and is supported by a perforated backing plate. The desirable portion of drilling fluids fed to the gumbo separator passes through the screen belt and backing plate and may be... | 07/13/1999 |
| 5814230 | Apparatus and method for separation of solids from liquid Method and apparatus are provided for separating coarse and ultrafine solids from a liquid stream to produce a substantially dry solids discharge and a clarified liquid. Apparatus is provided comprising a combination of a settling tank, a plurality of fil... | 09/29/1998 |
| 5738223 | Screen conveyor belt A screen conveyor belt for farming equipment has a plurality of flat belt members having a longitudinal extension in the direction of travel of the screen conveyor belt and being arranged parallel to one another. Rod members extend perpendicular to the di... | 04/14/1998 |
| 5261171 | Pipeline padding machine attachment for a vehicle A padding machine attachment for a vehicle is provided. When padding of a ditch for a pipeline or cable is required, the padding machine is removably attached in a position at one end of a conventional bucket loader, bulldozer, or other base machine or ve... | 11/16/1993 |
| 5248042 | Resilient wire-wrapped, and adjustably tensioned screen drum with drum overload-preventing feedback control A mobile screening apparatus includes a horizontal rotary drum preferably fed by underflow from a prescreening device that is reversible endless belt of screening grizzly bars. The belt reverses for expelling oversize material caught between bars. Force n... | 09/28/1993 |
| 5213219 | Crop cleaner and separator The invention comprises a machine for cleaning various crops such as peanuts and separating debris therefrom which may be easily transported to the field when such crops are harvested. The machine includes a unique conveyor which is formed of spaced rods ... | 05/25/1993 |
| 5176248 | Belted chain An improved belted chain is described in which there are a plurality of pairs of chain rods secured to spaced-apart carriers and a central belt. The inner ends of the chain rods in each pair are aligned end-to-end with each other and then secured to the c... | 01/05/1993 |
| 5102536 | Self-cleaning water filter screen apparatus An apparatus is described which separates small solids from process waste water. A continuously rotating elongated drum screen having a large diameter interior flow channel removes the solids. The drum screen contains a continuous loop of closely spaced l... | 04/07/1992 |
| 5097610 | Compact padding machine A compact padding machine for screening and conveying soil into a trench. The machine is usable as an attachment to a conventional bucket loader, bulldozer or other base machine. The padding machine includes a screening belt, an underlying inclined convey... | 03/24/1992 |
| 5082562 | Dehydration press The press comprises a pair of moving endless filter bands having two parallel lengths sandwiching material to be dehydrated and clamped between two presser plates each of which acts against a corresponding one of the lengths of band via a respective movin... | 01/21/1992 |
| 5059323 | Self-cleaning vacuum filter with permanent, endless filter media particularly for industrial lubricating and cooling liquids A self-cleaning vacuum filter (1), particularly for industrial lubricating and cooling liquids, has a filter bed (3) which is housed in a tank (2) for the liquid to be filtered and communicates at the bottom with an intake chamber (5) for the liquid. The ... | 10/22/1991 |
| 5039412 | Wire with guide belts for a pulp thickener A high speed stock thickener has a foraminous endless wire. The stock thickener is of the type in which an open mesh endless wire is trained over a pair of rolls and paper stock to be thickened is applied between the wire and the rolls and is carried on a... | 08/13/1991 |
| 5033932 | Harvest trailer with stick remover and load leveling structure A nut harvest trailer having a hopper with a rotatable loop of flexible screen affixed over the top of the hopper extending from the front to the rear thereof. A solid panel is affixed between an upper and lower layer of the loop of screen. The solid pane... | 07/23/1991 |
| 5003731 | Belt conveyor system for a conveyor belt fashioned as a braided web A belt conveyor system comprises a conveyor drive and support and a conveyor belt fashioned as a braided web. In order to be able to utilize, independently of the conveyor drive and support any desired braided webs for transporting any desired items in va... | 04/02/1991 |
| 4812231 | Self cleaning rotating fine polishing filter screen apparatus An apparatus is described which separates small solids from process waste water. A continuously rotating elongated drum screen in a three foot diameter flow channel removes the solids. The solids are deposited by spray wash into a dewatering chamber. The ... | 03/14/1989 |
| 4722793 | Apparatus and method for thickening pulp and paper stock Apparatus for thickening a suspension of pulp material employs a single pair of liquid-impervious rolls and a single loop of wire trained around both rolls which are spaced from each other in substantially the same horizontal plane. The pulp stock to be t... | 02/02/1988 |
| 4692242 | Screen comprising a travelling endless screening band In a screen the screening band is formed by a plurality of screening panels linked to each other in succession substantially perpendicularly to the direction of movement of the assembly, the filtering element of a filtering panel of this kind forming, rel... | 09/08/1987 |
| 4692240 | Apparatus and a method for separating one solid component from another solid component in suspension in a liquid The separation of a first solid component from a mixture thereof with a liquid and a second solid component which is of smaller average particle size than the first solid component, the first and second solid components being in suspension in the liquid a... | 09/08/1987 |
| 4609467 | Rotary plow assembly Disclosed is a plow assembly adapted for use with an endless conveyor type filtering device. The assembly comprises an elongated support member and at least one plow depending therefrom. The plow comprises a shaft affixed to the support member, a plow bod... | 09/02/1986 |
| 4602998 | Raisable plow assembly Disclosed is a filtering device comprising an endless perforate conveyor belt adapted to carry a liquid-containing material and extract liquid from the material through the belt, and a plow assembly for disrupting the material carried by the belt. The plo... | 07/29/1986 |
| 4535894 | Separator apparatus for peanuts and other seed crops Apparatus for separating peanuts and like commodities from vines and debris entrained with the peanuts during the harvesting process includes an endless conveyor forming a screen structure made up of elongated platelike members interconnected by spaced ap... | 08/20/1985 |
| 4511461 | Process for recovering minerals and metals by oleophilic adhesion A mixture containing oleophilic surfaced mineral particles and oleophobic gangue particles in an aqueous phase is separated by means of an apertured oleophilic endless sieve supported in a separation zone by a revolving cylindrical cage having apertured s... | 04/16/1985 |
| 4394146 | Filter apparatus Filtration apparatus in which the filter medium is in the form of a mat assembled with a support grid which is caused to traverse through a filter chamber in a zig zag path. The mat and support grid extend between the side walls of the filter chamber and ... | 07/19/1983 |
| 4392951 | Screen filter A screen filter comprising a plurality of rollers arranged in parallel, spaced relationship with a plurality of carriers positioned between the rollers with the axes of the carriers parallel to the axes of the rollers. An endless wire is wound spirally ov... | 07/12/1983 |
| 4075088 | Apparatus for grading objects according to size Apparatus for grading objects according to size comprises a grading array of spaced apart grading rollers which allow objects smaller than the roller spacing to pass between adjacent rollers but retain objects larger than the roller spacing. Support membe... | 02/21/1978 |
| 4046682 | Toner reclaiming system Toner particles which are removed from a photoconductive drum are trapped by a moving filter at a toner collection station and on movement of the filter to a toner discharge station, the toner is discharged into a toner reservoir. The filter may be of suc... | 09/06/1977 |
