Class 209/659 - Sorting items by size

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Methods and apparatus for separating items into groups of
No. of patents: 57
Last issue date: 08/02/2011

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Number	Title	Issue Date
7987993	Solid separator especially for a combustion facility A separator of solids for separating first and second solids, the diameter and density of the first solids being larger than the diameter and density of the second solids. A first substantially vertical internal baffle (2) forms a passage in the low portion o...	08/02/2011
7416086	In-line sorter for fasteners An in-line sorter for fasteners which includes a track for receiving the head of a fastener. Fasteners move along the track, past one or more stations which reject those fasteners which do not meet certain specifications. Specifically, four stations may be provided�...	08/26/2008
7331468	Device for separating fine solid components, method of manufacturing the device, and method of separating fine solid components using the device A device for separating a fine solid component includes a substrate and a diaphragm provided on the substrate. The substrate has a first surface and a second surface opposite the first surface. The substrate has a recess provided in the second surface, a cavity open...	02/19/2008
7328603	Systems and methods for residue collection with improved letter handling capability Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa...	02/12/2008
7316152	Systems and methods for residue collection Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa...	01/08/2008
7223379	Process for producing aluminum oxide powder To provide a process for producing an aluminum oxide powder, whereby the content of impurities is controlled by a physical means. A process for producing an aluminum oxide powder, which comprises pulverizing electrofused alumina by a batch system and classifying the...	05/29/2007
7178379	Systems and methods for residue collection with improved letter handling capability Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa...	02/20/2007
7168293	Systems and methods for residue collection with improved letter handling capability Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa...	01/30/2007
7114369	Systems and methods for residue collection Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa...	10/03/2006
7108137	Method and apparatus for separating particles by size A method and apparatus for separating a mixture of particles of various sizes in a capillary tube into groups by size using multiple forces of controlled amplitude. Ultrasonic radiation at a first selected frequency is applied to set up a standing pressure wave in t...	09/19/2006
7073371	Systems and methods for residue collection Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa...	07/11/2006
6997666	Automated cart unloading/conveyor system An automated cart unloading/conveyor system for automated unloading of articles from a transport vehicle or cart to one or more transfer surfaces, conveyors, or other platforms. A specially configured cart carries articles to be transferred upon shelves. The cart is...	02/14/2006
6983849	Screen repair apparatus and method A screen repair apparatus is disclosed for temporarily repairing holes or worn screen elements of screens used in gyratory or vibratory screening machines in the coal mining and rock quarrying industries. The apparatus is comprised of a flat plate which covers the d...	01/10/2006
6935512	Shortening saver A hopper used in conjunction with a deep fryer basket to remove small pieces of the food item, breading or ice crystals from the basket before it is placed in a deep fryer for cooking. Removing the small particles of food prevents them from falling into the shorteni...	08/30/2005
6915909	Device for receiving multi-format envelopes This invention relates to a device for receiving envelopes, or stacker, for a mail handling machine, comprising a conveyor belt arranged at the exit of the mail handling machine, for receiving these envelopes and conveying them perpendicularly to a direction of adva...	07/12/2005
6907994	Process for converting wet fly ash into dry useful industrial products There is provided a process for converting wet fly ash into a useful product such as cement replacement or industrial filler. A first amount of wet fly ash is provided. The wet fly ash is fed into a mixing chamber. An amount of aggregate, such as stone, is provided....	06/21/2005
6892891	Manure management system using sloped screen separator A manure management system that removes a large percentage of solids from a manure slurry when the slurry is run across a series of sloped screen separators. The sloped screen on the separator has very small openings. In addition, the separator has a water line with...	05/17/2005
6820750	Device for the elimination of trimmings of rolls or logs of material in strips A device for the elimination of trimmings of rolls or logs of ribbon-like material that can be connected below a cropper machine of at least one roll or log, in turn fed by a feed surface (11) of rolls (12) and top and/or tail crop ends (21), on...	11/23/2004
6783452	Coin assorter and coin inputting device A coin sorting apparatus (S) has a presorting unit (A) and two main sorting units (B1, B2). The presorting unit (A) sorts mixed coins into three groups (large coin group, medium coin group, small coin group). The main sorting units (B1, B2	08/31/2004
6612446	Roll for spreading and slowing down pourable materials A spreading roll for spreading out a chip fleece for producing wood chip material or similar panels, includes two disk-shaped end pieces (3, 7), plural thin spokes (6), rods, pipes or cords arranged extending between the end pieces, and pipe-shaped loose ...	09/02/2003
6401937	Apparatus and method to separate corrugated paper from commingled waste An apparatus and method for separating recyclable corrugated paper from a stream of commingled waste. Commingled waste is loaded onto a conveyor with two alternating sets of jogger beams. A motor drives the jogger beams out of phase with respect to one an...	06/11/2002
6382425	Mobile system for recovering material from construction waste and demolition debris A mobile system for recovering materials from construction waste or demolition debris is provided. The system includes a mobile wheeled chassis that has at least one picking station. A grapple is mounted on the wheeled chassis for selectively retrieving w...	05/07/2002
6305553	Rolling screen gapping system The present invention provides a roller screen gapping system for a roller screen including a series of spaced parallel rolls mounted on pillow blocks at each end thereof, the pillow blocks slidable along respective bed plates transversely of the roll axe...	10/23/2001
6279750	Method and device for distributing mail items The invention relates to the distribution of mail items with information on the surface of the mail items. Distribution occurs successively by means of various sorting machines. Sorting in particular is carried out in a succession of operations for the la...	08/28/2001
6264043	Sizing table employing variable pitch augur A sizing table for a product such as potatoes which sorts product according to its size includes a frame which supports a plurality of horizontally extending parallel rotary spindles. A first group of the spindles supports tapered rollers while a second g...	07/24/2001
6260713	Cherry sizing process and apparatus A cherry sizing process and apparatus in which cherries are sized in stages, with each stage including substantially parallel rollers and with each stage having a gap different than the other stages. Preferably, the larger size cherries are removed before...	07/17/2001
6257414	Roller sifting and dispersing machine A roller sifting or dispersing machine for the classification or dispersing of wood chips, fibers, or similar materials and to the utilization of an above-described roller sifting or dispersing machine. The roller sifting machine includes annular grooves ...	07/10/2001
6237779	Utensil sorting apparatus A utensil sorting apparatus simultaneously sorts and/or orients a plurality of utensils, such as spoons, forks, and knives. A first movable conveyor is movably disposed over a first template having at least one first aperture sized to receive therethrough...	05/29/2001
6234322	Roller device to separate chips and particles of wood or material similar to wood of different gradings, and the relative forming machine employing the device Device incorporating rollers to separate particles of different gradings a plurality of adjacent rollers (11) forming a selection bed where each roller (11) has a surface conformation defining a plurality of circumferential peaks (12) alternating with cir...	05/22/2001
6206201	Sorting apparatus for utensils A utensil sorting apparatus having a plurality of different buckets, each bucket being adapted to receive one type of utensil and to discharge it from a discharge port. Other utensils received by, for example, the cavity adapted to receive spoons are disc...	03/27/2001
6128885	Method of and system for producing and packaging film A process for producing packaged products from a film roll includes the steps of detecting whether an elongate film is defective or not, detecting whether a spool is defective or not, detecting whether an assembled cartridge is defective or not, and detec...	10/10/2000
6015049	Up-flow fish grader apparatus and method An apparatus for the grading of fish into various size categories, utilizing a series of panels with progressively smaller spaces between grading bars on the panels. The panels are attached to a panel box that may be raised or lowered within a holding vat...	01/18/2000
6006989	Automatic money-receiving and -dispensing machine In the case of an automatic money-receiving and -dispensing machine having a banknote-receiving location (20), having a banknote-checking and recognition device, having at least one intermediate store for intermediately storing received banknotes, having ...	12/28/1999
5915569	Device for separation and proportioning of different sized objects such as hulls and end pieces originating from cutting irradiated nuclear fuel assemblies A device comprising two coaxial drums (22, 24) is proposed in order to separate and then proportion objects of different sizes. The objects are introduced into one end of the inner drum consisted mainly of a coil (32) wound in a spiral. Large objects are ...	06/29/1999
5909815	Single drive, multi-screw sorter with pusher means The present invention is a sorter for products conveyed successively and continuously. The sorter components include a main screw rotated continuously by a drive shaft to arrange in order and convey products to be sorted. The main screw has helical groove...	06/08/1999
5823357	Automated wheel sorting system and method The invention provides a method and system for automated sorting or articles such as railroad wheels. After the wheels are inspected and designated as fitting a particular category, the wheels are moved to a transfer car and the wheel and transfer car are...	10/20/1998
5573121	Veneer sorting apparatus Veneer sorting apparatus for sorting a moving stream of arbitrarily ordered full width, random width, fishtail and trash veneer pieces in response to a signal representative of a characteristic such as width. Each piece is deflected into an appropriate ou...	11/12/1996
5522924	Method for producing high brightness low abrasion calcined kaolin pigment A process for preparing a high brightness, low abrasion calcined kaolin. A cretaceous crude is wet beneficiated by subjecting same as an aqueous slurry to degritting, classification, magnetic separation, and scrub grinding. The slurry from the foregoing i...	06/04/1996
5511671	Installation for the sorting of plate material Plates, especially glass sheets, are fed for sorting to a putting-up machine wherein a glass sheet is set upright against a wall in front of which the glass sheet is held in a determined position by an air flow provided by a blower. One glass sheet at a t...	04/30/1996
5413662	Assembly of corrugated panels into a web and manufacture of pallets therefrom The invention comprises a method that utilizes a plurality of corrugated panels from used shipping containers to make a web that is then able to be cut into suitable shapes to be used in the construction of corrugated cardboard shipping pallets. The proce...	05/09/1995

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Class 209/659 - Sorting items by size