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Classification Resources
 
Class   209CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
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 [List of Pre Grant Publications for class 209 subclass 1][List of Patents for class 209 subclass 1]1 MISCELLANEOUS
 [List of Pre Grant Publications for class 209 subclass 2][List of Patents for class 209 subclass 2]2 SPECIAL APPLICATIONS
[List of Pre Grant Publications for class 209 subclass 3][List of Patents for class 209 subclass 3]3 PRECEDENT PREPARATION OF ITEMS OR MATERIALS TO FACILITATE SEPARATION
 [List of Pre Grant Publications for class 209 subclass 10][List of Patents for class 209 subclass 10]10 TREATMENT SUBSEQUENT
 [List of Pre Grant Publications for class 209 subclass 11][List of Patents for class 209 subclass 11]11 WITH HEAT TREATMENT
[List of Pre Grant Publications for class 209 subclass 12.1][List of Patents for class 209 subclass 12.1]12.1 PLURAL, DIVERSE SEPARATING OPERATIONS
[List of Pre Grant Publications for class 209 subclass 45][List of Patents for class 209 subclass 45]45 ADHESION
[List of Pre Grant Publications for class 209 subclass 127.1][List of Patents for class 209 subclass 127.1]127.1 ELECTROSTATIC
[List of Pre Grant Publications for class 209 subclass 509][List of Patents for class 209 subclass 509]509 SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS
[List of Pre Grant Publications for class 209 subclass 510][List of Patents for class 209 subclass 510]510 Subclass 510 indent level is 1 Sorting eggs or components thereof
[List of Pre Grant Publications for class 209 subclass 517][List of Patents for class 209 subclass 517]517 Subclass 517 indent level is 1 Sorting lumber, logs, pipes, rails, or like items
[List of Pre Grant Publications for class 209 subclass 522][List of Patents for class 209 subclass 522]522 Subclass 522 indent level is 1 Sorting bottles, ampoules, jars, drinking vessels, or like ceramic or glass containers
 [List of Pre Grant Publications for class 209 subclass 534][List of Patents for class 209 subclass 534]534 Subclass 534 indent level is 1 Sorting paper money
[List of Pre Grant Publications for class 209 subclass 535][List of Patents for class 209 subclass 535]535 Subclass 535 indent level is 1 Sorting cigarettes, cigars, or packages thereof
 [List of Pre Grant Publications for class 209 subclass 538][List of Patents for class 209 subclass 538]538 Subclass 538 indent level is 1 Nonconveying driven means for turning item at separating or inspecting station to facilitate sorting
 [List of Pre Grant Publications for class 209 subclass 539][List of Patents for class 209 subclass 539]539 Subclass 539 indent level is 1 Traveling items shifted to form line, or into end or edge alignment, to facilitate inspection or separation
[List of Pre Grant Publications for class 209 subclass 540][List of Patents for class 209 subclass 540]540 Subclass 540 indent level is 1 Traveling item turned to predetermined position
[List of Pre Grant Publications for class 209 subclass 546][List of Patents for class 209 subclass 546]546 Subclass 546 indent level is 1 Signalling, indicating, or display means
[List of Pre Grant Publications for class 209 subclass 552][List of Patents for class 209 subclass 552]552 Subclass 552 indent level is 1 Condition responsive means controls separating means
 [List of Pre Grant Publications for class 209 subclass 553][List of Patents for class 209 subclass 553]553 Subclass 553 indent level is 2 Cards or sheets separated by rotatable suction drum
 [List of Pre Grant Publications for class 209 subclass 554][List of Patents for class 209 subclass 554]554 Subclass 554 indent level is 2 Sorting cards or sheets coded by perforation
[List of Pre Grant Publications for class 209 subclass 555][List of Patents for class 209 subclass 555]555 Subclass 555 indent level is 2 Diverse
[List of Pre Grant Publications for class 209 subclass 559][List of Patents for class 209 subclass 559]559 Subclass 559 indent level is 2 Means (e.g., information storing device, timer, delaying relay, etc.) delaying actuation of separating means
[List of Pre Grant Publications for class 209 subclass 567][List of Patents for class 209 subclass 567]567 Subclass 567 indent level is 2 Magnetic test sensing property of item
[List of Pre Grant Publications for class 209 subclass 571][List of Patents for class 209 subclass 571]571 Subclass 571 indent level is 2 Electrical test sensing property of item
[List of Pre Grant Publications for class 209 subclass 576][List of Patents for class 209 subclass 576]576 Subclass 576 indent level is 2 Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof
 [List of Pre Grant Publications for class 209 subclass 591][List of Patents for class 209 subclass 591]591 Subclass 591 indent level is 2 Sensing by applying fluid or vacuum to item
[List of Pre Grant Publications for class 209 subclass 592][List of Patents for class 209 subclass 592]592 Subclass 592 indent level is 2 Responsive to weight of item
 [List of Pre Grant Publications for class 209 subclass 597][List of Patents for class 209 subclass 597]597 Subclass 597 indent level is 2 Sensing position, shape, or presence of closure or end wall on container
 [List of Pre Grant Publications for class 209 subclass 598][List of Patents for class 209 subclass 598]598 Subclass 598 indent level is 2 Sensing contour of item having no missing parts
 [List of Pre Grant Publications for class 209 subclass 599][List of Patents for class 209 subclass 599]599 Subclass 599 indent level is 2 Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate
[List of Pre Grant Publications for class 209 subclass 600][List of Patents for class 209 subclass 600]600 Subclass 600 indent level is 2 Sensor contacts item
[List of Pre Grant Publications for class 209 subclass 606][List of Patents for class 209 subclass 606]606 Subclass 606 indent level is 1 Separating means
 [List of Pre Grant Publications for class 209 subclass 607][List of Patents for class 209 subclass 607]607 Subclass 607 indent level is 2 Corn silk separator
[List of Pre Grant Publications for class 209 subclass 608][List of Patents for class 209 subclass 608]608 Subclass 608 indent level is 2 Sorting items according to edge coding
 [List of Pre Grant Publications for class 209 subclass 613][List of Patents for class 209 subclass 613]613 Subclass 613 indent level is 2 Sorting cards, file folders, or like items having coded sorting holes
 [List of Pre Grant Publications for class 209 subclass 614][List of Patents for class 209 subclass 614]614 Subclass 614 indent level is 2 Hand supported implements
[List of Pre Grant Publications for class 209 subclass 615][List of Patents for class 209 subclass 615]615 Subclass 615 indent level is 2 Brush, flail, or rake used other than as one of opposed pair of gauge elements to separate, or to facilitate separation of, items
[List of Pre Grant Publications for class 209 subclass 617][List of Patents for class 209 subclass 617]617 Subclass 617 indent level is 2 Item gripped between opposed elements
 [List of Pre Grant Publications for class 209 subclass 619][List of Patents for class 209 subclass 619]619 Subclass 619 indent level is 2 Gauge enters hole in item
 [List of Pre Grant Publications for class 209 subclass 620][List of Patents for class 209 subclass 620]620 Subclass 620 indent level is 2 Gauging passage between orbiting belts
[List of Pre Grant Publications for class 209 subclass 621][List of Patents for class 209 subclass 621]621 Subclass 621 indent level is 2 Rotating or orbiting carrier having expandable gauging passage passing items of different size at different points along carrier travel path
[List of Pre Grant Publications for class 209 subclass 625][List of Patents for class 209 subclass 625]625 Subclass 625 indent level is 2 Gauge with clearer other than continuous feeder
[List of Pre Grant Publications for class 209 subclass 629][List of Patents for class 209 subclass 629]629 Subclass 629 indent level is 2 Diverse
 [List of Pre Grant Publications for class 209 subclass 636][List of Patents for class 209 subclass 636]636 Subclass 636 indent level is 2 Magnet attracts or repels item
 [List of Pre Grant Publications for class 209 subclass 637][List of Patents for class 209 subclass 637]637 Subclass 637 indent level is 2 Items thrown or falling through space strike surface and only some rebound
[List of Pre Grant Publications for class 209 subclass 638][List of Patents for class 209 subclass 638]638 Subclass 638 indent level is 2 Items separate by following different trajectories through space
 [List of Pre Grant Publications for class 209 subclass 643][List of Patents for class 209 subclass 643]643 Subclass 643 indent level is 2 Suction
 [List of Pre Grant Publications for class 209 subclass 644][List of Patents for class 209 subclass 644]644 Subclass 644 indent level is 2 Fluid jet
[List of Pre Grant Publications for class 209 subclass 645][List of Patents for class 209 subclass 645]645 Subclass 645 indent level is 2 Sorting items by weight
[List of Pre Grant Publications for class 209 subclass 651][List of Patents for class 209 subclass 651]651 Subclass 651 indent level is 2 Pusher moving item on separate surface
 [List of Pre Grant Publications for class 209 subclass 655][List of Patents for class 209 subclass 655]655 Subclass 655 indent level is 2 Gravity-type conveyor (e.g., chute, etc.) movable between different discharge positions
[List of Pre Grant Publications for class 209 subclass 656][List of Patents for class 209 subclass 656]656 Subclass 656 indent level is 2 Movement of items along different paths controlled by passive deflector
[List of Pre Grant Publications for class 209 subclass 659][List of Patents for class 209 subclass 659]659 Subclass 659 indent level is 2 Sorting items by size
[List of Pre Grant Publications for class 209 subclass 660][List of Patents for class 209 subclass 660]660 Subclass 660 indent level is 3 Item of particular size passed through gauging passage between separate elements
[List of Pre Grant Publications for class 209 subclass 680][List of Patents for class 209 subclass 680]680 Subclass 680 indent level is 3 Item of particular size passed through gauging aperture in wall (e.g., perforated panel, etc.)
[List of Pre Grant Publications for class 209 subclass 684][List of Patents for class 209 subclass 684]684 Subclass 684 indent level is 3 Item of particular size or shape enters pocket
 [List of Pre Grant Publications for class 209 subclass 688][List of Patents for class 209 subclass 688]688 Subclass 688 indent level is 2 Means pierces, or enters preformed hole in, item
[List of Pre Grant Publications for class 209 subclass 689][List of Patents for class 209 subclass 689]689 Subclass 689 indent level is 2 Items separate by traveling in different directions while contacting drumlike body (e.g., roller, hollow cylinder, etc.) turning about longitudinal axis thereof
[List of Pre Grant Publications for class 209 subclass 691][List of Patents for class 209 subclass 691]691 Subclass 691 indent level is 2 Items separate by traveling in different directions while contacting same inclined surface of moving support
 [List of Pre Grant Publications for class 209 subclass 695][List of Patents for class 209 subclass 695]695 Subclass 695 indent level is 2 Items separate by traveling in different directions while contacting same horizontal surface of moving support
[List of Pre Grant Publications for class 209 subclass 696][List of Patents for class 209 subclass 696]696 Subclass 696 indent level is 2 Items separate by traveling in different directions while contacting same inclined surface of static support
 [List of Pre Grant Publications for class 209 subclass 698][List of Patents for class 209 subclass 698]698 Subclass 698 indent level is 2 Means movable between horizontal item-supporting position and gravity discharge position
 [List of Pre Grant Publications for class 209 subclass 699][List of Patents for class 209 subclass 699]699 Subclass 699 indent level is 2 Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate
 [List of Pre Grant Publications for class 209 subclass 700][List of Patents for class 209 subclass 700]700 Subclass 700 indent level is 2 Sorting items according to roughness or adhesiveness
 [List of Pre Grant Publications for class 209 subclass 701][List of Patents for class 209 subclass 701]701 Subclass 701 indent level is 2 Item turned while traveling
[List of Pre Grant Publications for class 209 subclass 702][List of Patents for class 209 subclass 702]702 Subclass 702 indent level is 2 Manual sorting
 [List of Pre Grant Publications for class 209 subclass 706][List of Patents for class 209 subclass 706]706 Subclass 706 indent level is 2 Specific compartment of receptacle brought into alignment with feed means by operator
 [List of Pre Grant Publications for class 209 subclass 707][List of Patents for class 209 subclass 707]707 Subclass 707 indent level is 2 Items separated by tipping, rolling, or sliding off support under force of gravity
[List of Pre Grant Publications for class 209 subclass 132][List of Patents for class 209 subclass 132]132 FLUID SUSPENSION
[List of Pre Grant Publications for class 209 subclass 133][List of Patents for class 209 subclass 133]133 Subclass 133 indent level is 1 Gaseous
[List of Pre Grant Publications for class 209 subclass 155][List of Patents for class 209 subclass 155]155 Subclass 155 indent level is 1 Liquid
 [List of Pre Grant Publications for class 209 subclass 156][List of Patents for class 209 subclass 156]156 Subclass 156 indent level is 2 Horizontal current
 [List of Pre Grant Publications for class 209 subclass 157][List of Patents for class 209 subclass 157]157 Subclass 157 indent level is 2 Inclined current
[List of Pre Grant Publications for class 209 subclass 158][List of Patents for class 209 subclass 158]158 Subclass 158 indent level is 2 Vertical current
[List of Pre Grant Publications for class 209 subclass 162][List of Patents for class 209 subclass 162]162 Subclass 162 indent level is 2 Floating
[List of Pre Grant Publications for class 209 subclass 208][List of Patents for class 209 subclass 208]208 Subclass 208 indent level is 2 Grading deposition
     MAGNETIC
[List of Pre Grant Publications for class 209 subclass 233][List of Patents for class 209 subclass 233]233 SIFTING
 [List of Pre Grant Publications for class 209 subclass 234][List of Patents for class 209 subclass 234]234 Subclass 234 indent level is 1 Combined type
[List of Pre Grant Publications for class 209 subclass 235][List of Patents for class 209 subclass 235]235 Subclass 235 indent level is 1 Special applications
 [List of Pre Grant Publications for class 209 subclass 238][List of Patents for class 209 subclass 238]238 Subclass 238 indent level is 1 With heating or cooling
 [List of Pre Grant Publications for class 209 subclass 239][List of Patents for class 209 subclass 239]239 Subclass 239 indent level is 1 With weighting
[List of Pre Grant Publications for class 209 subclass 240][List of Patents for class 209 subclass 240]240 Subclass 240 indent level is 1 Feeding and discharging
[List of Pre Grant Publications for class 209 subclass 243][List of Patents for class 209 subclass 243]243 Subclass 243 indent level is 1 Feeding
 [List of Pre Grant Publications for class 209 subclass 254][List of Patents for class 209 subclass 254]254 Subclass 254 indent level is 1 Distributers or spreaders
[List of Pre Grant Publications for class 209 subclass 255][List of Patents for class 209 subclass 255]255 Subclass 255 indent level is 1 Discharging
[List of Pre Grant Publications for class 209 subclass 261][List of Patents for class 209 subclass 261]261 Subclass 261 indent level is 1 Conveying
[List of Pre Grant Publications for class 209 subclass 268][List of Patents for class 209 subclass 268]268 Subclass 268 indent level is 1 With liquid treatment
[List of Pre Grant Publications for class 209 subclass 274][List of Patents for class 209 subclass 274]274 Subclass 274 indent level is 1 Concave and convex sifters
     Subclass  indent level is 1 Drum sifters
[List of Pre Grant Publications for class 209 subclass 307][List of Patents for class 209 subclass 307]307 Subclass 307 indent level is 1 Endless belt sifters
     Subclass  indent level is 1 Plane sifters
 [List of Pre Grant Publications for class 209 subclass 362][List of Patents for class 209 subclass 362]362 Subclass 362 indent level is 1 Spiral sifters
[List of Pre Grant Publications for class 209 subclass 363][List of Patents for class 209 subclass 363]363 Subclass 363 indent level is 1 Elements
[List of Pre Grant Publications for class 209 subclass 422][List of Patents for class 209 subclass 422]422 STRATIFIERS
     Subclass  indent level is 1 With liquid treatment
     Subclass  indent level is 1 With pneumatic treatment
 [List of Pre Grant Publications for class 209 subclass 478][List of Patents for class 209 subclass 478]478 Subclass 478 indent level is 1 Magnetic
     Subclass  indent level is 1 Movable bed
 [List of Pre Grant Publications for class 209 subclass 483][List of Patents for class 209 subclass 483]483 Subclass 483 indent level is 1 Stationary bed
[List of Pre Grant Publications for class 209 subclass 484][List of Patents for class 209 subclass 484]484 Subclass 484 indent level is 1 Elements
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 209 subclass 900][List of Patents for class 209 subclass 900]900 SORTING FLAT-TYPE MAIL
 [List of Pre Grant Publications for class 209 subclass 901][List of Patents for class 209 subclass 901]901 FROTH FLOTATION; COPPER
 [List of Pre Grant Publications for class 209 subclass 902][List of Patents for class 209 subclass 902]902 FROTH FLOTATION; PHOSPHATE
 [List of Pre Grant Publications for class 209 subclass 903][List of Patents for class 209 subclass 903]903 FEEDER CONVEYOR HAVING OPPOSED GRIPPERS
 [List of Pre Grant Publications for class 209 subclass 904][List of Patents for class 209 subclass 904]904 FEEDER CONVEYOR HOLDING ITEM BY MAGNETIC ATTRACTION
 [List of Pre Grant Publications for class 209 subclass 905][List of Patents for class 209 subclass 905]905 FEEDER CONVEYOR HOLDING ITEM BY SUCTION
 [List of Pre Grant Publications for class 209 subclass 906][List of Patents for class 209 subclass 906]906 PNEUMATIC OR LIQUID STREAM FEEDING ITEM
 [List of Pre Grant Publications for class 209 subclass 907][List of Patents for class 209 subclass 907]907 MAGNETIC FEEDER
 [List of Pre Grant Publications for class 209 subclass 908][List of Patents for class 209 subclass 908]908 ITEM FED BY FREE FALL
 [List of Pre Grant Publications for class 209 subclass 909][List of Patents for class 209 subclass 909]909 ITEM HOLDING FEED MAGAZINE INSERTABLE IN SORTING APPARATUS
 [List of Pre Grant Publications for class 209 subclass 910][List of Patents for class 209 subclass 910]910 FEED HOPPER
 [List of Pre Grant Publications for class 209 subclass 911][List of Patents for class 209 subclass 911]911 FEED MEANS SUPPORTING OR GUIDING ITEM MOVING UNDER INFLUENCE OF GRAVITY
 [List of Pre Grant Publications for class 209 subclass 912][List of Patents for class 209 subclass 912]912 ENDLESS FEED CONVEYOR WITH MEANS FOR HOLDING EACH ITEM INDIVIDUALLY
 [List of Pre Grant Publications for class 209 subclass 913][List of Patents for class 209 subclass 913]913 SCREW FEED CONVEYOR
 [List of Pre Grant Publications for class 209 subclass 914][List of Patents for class 209 subclass 914]914 DIVERSE SEQUENTIAL FEEDING STEPS
 [List of Pre Grant Publications for class 209 subclass 915][List of Patents for class 209 subclass 915]915 CENTRIFUGAL FEEDER
 [List of Pre Grant Publications for class 209 subclass 916][List of Patents for class 209 subclass 916]916 RECIPROCATING PUSHER FEEDING ITEM
 [List of Pre Grant Publications for class 209 subclass 917][List of Patents for class 209 subclass 917]917 ENDLESS BELT PUSHER FEEDING ITEM
 [List of Pre Grant Publications for class 209 subclass 918][List of Patents for class 209 subclass 918]918 SWINGING OR ROTATING PUSHER FEEDING ITEM
 [List of Pre Grant Publications for class 209 subclass 919][List of Patents for class 209 subclass 919]919 ROTARY FEED CONVEYOR
 [List of Pre Grant Publications for class 209 subclass 920][List of Patents for class 209 subclass 920]920 VIBRATORY FEED CONVEYOR
 [List of Pre Grant Publications for class 209 subclass 921][List of Patents for class 209 subclass 921]921 RECIPROCATING OR OSCILLATING FEED CONVEYOR
 [List of Pre Grant Publications for class 209 subclass 922][List of Patents for class 209 subclass 922]922 MISCELLANEOUS FEED CONVEYORS
 [List of Pre Grant Publications for class 209 subclass 923][List of Patents for class 209 subclass 923]923 FEED THROUGH INCLUDING AT LEAST ONE ENDLESS CONVEYOR
 [List of Pre Grant Publications for class 209 subclass 924][List of Patents for class 209 subclass 924]924 GRAVITY CONVEYOR MOVING ITEM FROM SEPARATING STATION
 [List of Pre Grant Publications for class 209 subclass 925][List of Patents for class 209 subclass 925]925 DRIVEN OR FLUID CONVEYOR MOVING ITEM FROM SEPARATING STATION
 [List of Pre Grant Publications for class 209 subclass 926][List of Patents for class 209 subclass 926]926 SILVERWARE SORTER
 [List of Pre Grant Publications for class 209 subclass 927][List of Patents for class 209 subclass 927]927 COP SORTER
 [List of Pre Grant Publications for class 209 subclass 928][List of Patents for class 209 subclass 928]928 CONTAINER CLOSURE SORTER
 [List of Pre Grant Publications for class 209 subclass 929][List of Patents for class 209 subclass 929]929 FASTENER SORTER
 [List of Pre Grant Publications for class 209 subclass 930][List of Patents for class 209 subclass 930]930 MUNICIPAL SOLID WASTE SORTING
 [List of Pre Grant Publications for class 209 subclass 931][List of Patents for class 209 subclass 931]931 MATERIALS OF CONSTRUCTION
 [List of Pre Grant Publications for class 209 subclass 932][List of Patents for class 209 subclass 932]932 FLUID APPLIED TO ITEMS
 [List of Pre Grant Publications for class 209 subclass 933][List of Patents for class 209 subclass 933]933 ACCUMULATION RECEIVING SEPARATED ITEMS
 [List of Pre Grant Publications for class 209 subclass 934][List of Patents for class 209 subclass 934]934 MOVING ITEMS TO SORTING MEANS IN SPACED RELATION LENGTHWISE OF FEED PATH
 [List of Pre Grant Publications for class 209 subclass 935][List of Patents for class 209 subclass 935]935 AMBULANT
 [List of Pre Grant Publications for class 209 subclass 936][List of Patents for class 209 subclass 936]936 PLURAL ITEMS TESTED AS GROUP
 [List of Pre Grant Publications for class 209 subclass 937][List of Patents for class 209 subclass 937]937 LAUNDRY SORTING
 [List of Pre Grant Publications for class 209 subclass 938][List of Patents for class 209 subclass 938]938 ILLUMINATING MEANS FACILITATING VISUAL INSPECTION
 [List of Pre Grant Publications for class 209 subclass 939][List of Patents for class 209 subclass 939]939 VIDEO SCANNING
 [List of Pre Grant Publications for class 209 subclass 940][List of Patents for class 209 subclass 940]940 NONCONDITION-RESPONSIVE SORTING BY CONTOUR
 [List of Pre Grant Publications for class 209 subclass 941][List of Patents for class 209 subclass 941]941 ITEM CARRYING BRIDGE RAISABLE TO EXPOSE DISCHARGE OPENING
 [List of Pre Grant Publications for class 209 subclass 942][List of Patents for class 209 subclass 942]942 OPERATOR SELECTS DESTINATION OF ITEM
 
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