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| Class 209 | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
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![[List of Pre Grant Publications for class 209 subclass 1]](../as.gif) | ![[List of Patents for class 209 subclass 1]](../ps.gif) | 1 | MISCELLANEOUS |
| | 2 | SPECIAL APPLICATIONS |
| | 3 | PRECEDENT PREPARATION OF ITEMS OR MATERIALS TO FACILITATE SEPARATION |
| | 3.1 |  Sorting special items or sorting by methods and apparatus includible in subclasses 509 through 707 |
| | 4 | Selective differentiation |
| | 10 | TREATMENT SUBSEQUENT |
| | 11 | WITH HEAT TREATMENT |
| | 12.1 | PLURAL, DIVERSE SEPARATING OPERATIONS |
| | 12.2 | Including electrostatic |
| | 13 | Aqueous suspension, sifting, and stratifying |
| | 14 | Mercurial adhesion, sifting, and stratifying |
| | 19 | Gaseous suspension, sifting, and stratifying |
| | 15 | Mercurial suspension or adhesion and fluid suspension |
| | 17 | Aqueous suspension and sifting |
| | 18 | Aqueous suspension and stratifying |
| | 20 | Gaseous suspension and stratifying |
| | 21 | Gaseous suspension and sifting |
| | 22 |  Coincident |
| | 30 | Successive |
| | 38 | Magnetic and sifting |
| | 39 | Magnetic and fluid suspension |
| | 40 | Magnetic and stratifying |
| | 41 | Mercurial suspension and mercurial adhesion |
| | 42 | Mercurial adhesion or suspension and sifting |
| | 43 | Mercurial adhesion or suspension and stratifying |
| | 44 | Sifting and stratifying |
| | 44.1 | Including sorting of special items or sorting by methods or apparatus includible in subclasses 509 through 707 |
| | 45 | ADHESION |
| | 46 | With selective differentiation |
| | 49 | Coated surface or mass |
| | 127.1 | ELECTROSTATIC |
| | 127.2 | With heating of particles |
| | 127.3 | With vibrating trough charging of particles |
| | 127.4 | Free fall type particle charging |
| | 128 | Attracting and repelling |
| | 129 | Attracting |
| | 130 | Repelling |
| | 131 | Stratifying |
| | 509 | SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS |
| | 510 | Sorting eggs or components thereof |
| | 511 | Radiant energy sensing means controls separating means |
| | 512 | By weight |
| | 513 |  Sensing egg weight and controlling separating means in accordance therewith |
| | 514 | Orbiting or rotating carrier responsive to egg weight |
| | 515 |  Carrier tilted by means (e.g., trip, cam, etc.) adjacent travel path when depressed to particular elevation |
| | 516 | Same eggs successively placed on means (e.g., balance beams, etc.) responsive to different weights |
| | 517 | Sorting lumber, logs, pipes, rails, or like items |
| | 522 | Sorting bottles, ampoules, jars, drinking vessels, or like ceramic or glass containers |
| | 523 | Condition responsive means controls separating means |
| | 524 | Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct (e.g., label, cap, etc.) thereof |
| | 525 | Sizing with visible light beam |
| | 526 | Detecting internal flaw (e.g., air bubble, crack, etc.) in wall of item |
| | 528 | Detecting flaw in, or absence or misplacement of, label on item |
| | 529 | Sensing position, shape, or presence of closure |
| | 530 | Sensor contacts item |
| | 534 | Sorting paper money |
| | 535 | Sorting cigarettes, cigars, or packages thereof |
| | 536 | Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof |
| | 537 | Fluid or vacuum sensing means controls separating means |
| | 538 | Nonconveying driven means for turning item at separating or inspecting station to facilitate sorting |
| | 539 | Traveling items shifted to form line, or into end or edge alignment, to facilitate inspection or separation |
| | 540 | Traveling item turned to predetermined position |
| | 541 | Plural orienting means |
| | 542 | Reciprocable or pivotable orienting means |
| | 543 | Fluid orienting means |
| | 544 | Means orienting item moved by gravity |
| | 545 | Driven orienting means |
| | 546 | Signalling, indicating, or display means |
| | 547 | Indicia associated with cards, file folders, or like coded items, or with sorting means therefor (including cards, per se, with edge coding) |
| | 548 | Operation of apparatus stopped |
| | 549 | Signal lamp or audible alarm |
| | 550 | Indicating scale |
| | 551 | Item counter |
| | 552 | Condition responsive means controls separating means |
| | 553 | Cards or sheets separated by rotatable suction drum |
| | 554 | Sorting cards or sheets coded by perforation |
| | 555 | Diverse |
| | 556 | Diverse electrical tests |
| | 557 | Including noncondition-responsive separating means |
| | 558 | At single station |
| | 559 | Means (e.g., information storing device, timer, delaying relay, etc.) delaying actuation of separating means |
| | 567 | Magnetic test sensing property of item |
| | 571 | Electrical test sensing property of item |
| | 576 | Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof |
| | 577 | Infrared, visible light, or ultraviolet |
| | 578 | Ultraviolet |
| | 579 | Laser |
| | 580 | Color detection |
| | 583 | Reading indicia |
| | 585 | Mirror or prism in optical path |
| | 586 | Sizing |
| | 587 | Reflected from item |
| | 588 | Transmitted through item |
| | 589 | X-ray or gamma ray |
| | 590 | Sonic or supersonic energy |
| | 591 | Sensing by applying fluid or vacuum to item |
| | 592 | Responsive to weight of item |
| | 593 | Detecting movement of item support with electrical sensor |
| | 596 | Pusher or deflector controls movement of item on separate support |
| | 597 | Sensing position, shape, or presence of closure or end wall on container |
| | 598 | Sensing contour of item having no missing parts |
| | 599 | Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate |
| | 600 | Sensor contacts item |
| | 606 | Separating means |
| | 607 | Corn silk separator |
| | 608 | Sorting items according to edge coding |
| | 609 | Magnet attracts or repels item |
| | 610 | Keyboard control |
| | 611 | Cards, file folders, or like items sorted by means of necked-down notch thereon |
| | 612 | Cards, file folders, or like items alternatively having notch or hole at particular location thereon |
| | 613 | Sorting cards, file folders, or like items having coded sorting holes |
| | 614 | Hand supported implements |
| | 615 | Brush, flail, or rake used other than as one of opposed pair of gauge elements to separate, or to facilitate separation of, items |
| | 617 | Item gripped between opposed elements |
| | 619 | Gauge enters hole in item |
| | 620 | Gauging passage between orbiting belts |
| | 621 | Rotating or orbiting carrier having expandable gauging passage passing items of different size at different points along carrier travel path |
| | 625 | Gauge with clearer other than continuous feeder |
| | 626 | Spacing between gauge elements increased to free item |
| | 627 | Rotatable or pivotable clearer |
| | 628 | Stationary clearer |
| | 629 | Diverse |
| | 630 | Including means supporting items for manual sorting or allowing operator to control item destination |
| | 631 | Including separation effected by items following different trajectories through space |
| | 632 | Including separation effected by item of particular size passing through gauging passage between separate elements |
| | 634 | Including separation effected by item of particular size passing through gauging aperture in wall (e.g., perforated panel, etc.) |
| | 635 | Including separation effected by different items traveling in different directions while contacting a surface |
| | 636 | Magnet attracts or repels item |
| | 637 | Items thrown or falling through space strike surface and only some rebound |
| | 638 | Items separate by following different trajectories through space |
| | 639 | Fluid jet changes trajectory of item |
| | 640 | Items thrown or falling through space strike surface and rebound with different trajectories |
| | 641 | Takeoff ramp adjustable to different angular positions relative to horizontal plane |
| | 642 | Thrower |
| | 643 | Suction |
| | 644 | Fluid jet |
| | 645 | Sorting items by weight |
| | 646 | Orbiting or rotating carrier responsive to item weight |
| | 647 | Counterbalance on balance beam moved until beam tilts to item discharging position |
| | 648 | Carrier tilted by means (e.g., trip, cam, etc.) adjacent travel path when depressed to particular elevation |
| | 649 | Same items successively placed on means (e.g., balance beams, etc.) responsive to different weights |
| | 650 | Item support swings about fixed horizontal axis to discharge at different vertically spaced points |
| | 651 | Pusher moving item on separate surface |
| | 655 | Gravity-type conveyor (e.g., chute, etc.) movable between different discharge positions |
| | 656 | Movement of items along different paths controlled by passive deflector |
| | 657 | Deflector movable into and out of path of item |
| | 658 | Deflector spaced above conveying means to pass item of particular size thereunder |
| | 659 | Sorting items by size |
| | 660 | Item of particular size passed through gauging passage between separate elements |
| | 661 | Gauging passage between stationary element (e.g., bar, slat, etc.) and orbiting belt |
| | 662 | Gauging passage between stationary element (e.g., bar, slat, etc.) and roller |
| | 663 | Gauging passage between orbiting belt and roller or wheel |
| | 664 | Gauging passage between elements of rotating cage |
| | 665 | Gauging passage between elements of orbiting belt |
| | 666 | Item moves along curved gauging passage |
| | 667 | Gauging passage between rotatable elements |
| | 668 |  Element adjustable to change width of gauging passage |
| | 669 | Helical roller |
| | 670 | Items move longitudinally of gauging passage varying in width along length thereof |
| | 671 | Spindle or roller having projecting elements spaced circumferentially thereof |
| | 672 | Spindle or roller having axially spaced, flat-sided circumferential elements (e.g., flanges, disks, wheels, etc.) projecting therefrom |
| | 673 | Cylindrical rollers |
| | 674 | Gauging passage between moving elements (e.g., vibrating bars, slats, etc.) |
| | 675 | Gauging passage between stationary elements (e.g., bars, slats, etc.) |
| | 680 | Item of particular size passed through gauging aperture in wall (e.g., perforated panel, etc.) |
| | 681 | Aperture in orbiting belt |
| | 682 | Aperture in chute or trough |
| | 683 | Aperture in circumferential wall of hollow body (e.g., tube, etc.) rotatable about longitudinal axis thereof |
| | 684 | Item of particular size or shape enters pocket |
| | 688 | Means pierces, or enters preformed hole in, item |
| | 689 | Items separate by traveling in different directions while contacting drumlike body (e.g., roller, hollow cylinder, etc.) turning about longitudinal axis thereof |
| | 691 | Items separate by traveling in different directions while contacting same inclined surface of moving support |
| | 695 | Items separate by traveling in different directions while contacting same horizontal surface of moving support |
| | 696 | Items separate by traveling in different directions while contacting same inclined surface of static support |
| | 698 | Means movable between horizontal item-supporting position and gravity discharge position |
| | 699 | Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate |
| | 700 | Sorting items according to roughness or adhesiveness |
| | 701 | Item turned while traveling |
| | 702 | Manual sorting |
| | 706 | Specific compartment of receptacle brought into alignment with feed means by operator |
| | 707 | Items separated by tipping, rolling, or sliding off support under force of gravity |
| | 132 | FLUID SUSPENSION |
| | 133 | Gaseous |
| | 134 | Horizontal current |
| | 136 | Inclined current |
| | 138 | Vertical current |
| | 142 | Grading deposition |
| | 143 | With deflection |
| | 710 | Plural individual interconnected separation means having swirling currents |
| | 711 | Fluidically induced, oppositely directed axial flows only (e.g., multiple cyclone arrangements, etc.) |
| | 713 | Mechanically induced swirling |
| | 715 | Fluidically induced, oppositely directed axial flows (e.g., reverse free-vortexes formed, cyclone, etc.) |
| | 716 | Including auxiliary fluid |
| | 717 | Including inlet characteristic (e.g., helix, spiral, volute, etc.) |
| | 720 | Including specific underflow outlet feature (e.g., apex discharge, etc.) |
| | 721 | Including specific overflow outlet feature (e.g., adjustable vortex finder, shape, size, etc.) |
| | 722 | Fluidically induced unidirectional swirling (e.g., axial, radial, tangential separation, free-vortex, etc.) |
| | 145 | Impetus and countercurrent |
| | 146 | Feeding |
| | 154 | Current control |
| | 155 | Liquid |
| | 156 | Horizontal current |
| | 157 | Inclined current |
| | 158 | Vertical current |
| | 162 | Floating |
| | 163 | Buoyant material |
| | 172 | Gravity liquid |
| | 172.5 | Suspension |
| | 173 | Water or aqueous solution |
| | 174 | Metallic (i.e., amalgamators) |
| | 207 | Surface film tension |
| | 208 | Grading deposition |
| | 209 | Chronometric |
| | 210 | With deflection |
| | 724 | Including circularly flowing liquid separation agent |
| | 725 | Rotational hydrodynamic extraction (e.g., unidirectional hydrocyclone, vortical, whirlpool, etc.) |
| | 726 | Including condition responsive control |
| | 727 | Including oppositely directed axial flows around evacuated core (e.g., hydrocyclone having reverse free-vortexes formed, etc.) |
| | 728 | Plural individual interconnected, oppositely directed axial flow producing separation phases (e.g., system arrangements, multiple hydrocyclones, etc.) |
| | 730 | Including auxiliary fluid (e.g., air or gas core, dilution water, elutriation liquid, etc.) |
| | 731 |  Adjacent or subsequent to underflow discharge (e.g., dilution water, elutriation liquid, sedimentation chamber, sump, etc.) |
| | 732 | Including specific overflow discharge feature (e.g., adjustable vortex finder, shape, size, etc.) |
| | 733 | Including specific underflow discharge feature (e.g., apex construction, secondary vortex chamber, etc.) |
| | 734 | Including specific inlet feature (e.g., shape, size, etc.) |
| MAGNETIC |
| | 212 | Diamagnetic |
| | 213 | Paramagnetic |
| | 233 | SIFTING |
| | 234 | Combined type |
| | 235 | Special applications |
| | 238 | With heating or cooling |
| | 239 | With weighting |
| | 240 | Feeding and discharging |
| | 243 | Feeding |
| | 254 | Distributers or spreaders |
| | 255 | Discharging |
| | 261 | Conveying |
| | 268 | With liquid treatment |
| | 274 | Concave and convex sifters |
| Drum sifters |
| Horizontal and inclined |
| | 284 | Feeding or dischargingd |
| | 287 | Reciprocating and rotating |
| | 288 | Rotating |
| | 300 | Stationary |
| Vertical |
| | 307 | Endless belt sifters |
| Plane sifters |
| Horizontal and inclined |
| | 309 | Reciprocating and rotating |
| Reciprocating |
