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Class   494IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS
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[List of Pre Grant Publications for class 494 subclass 1][List of Patents for class 494 subclass 1]1 WITH CONDITION RESPONSIVE MEANS
[List of Pre Grant Publications for class 494 subclass 2][List of Patents for class 494 subclass 2]2 Subclass 2 indent level is 1 For controlling outlet valve
 [List of Pre Grant Publications for class 494 subclass 3][List of Patents for class 494 subclass 3]3 Subclass 3 indent level is 2 In response to location of inner boundary of heavy component
 [List of Pre Grant Publications for class 494 subclass 4][List of Patents for class 494 subclass 4]4 Subclass 4 indent level is 2 In response to centrifugal force
[List of Pre Grant Publications for class 494 subclass 5][List of Patents for class 494 subclass 5]5 Subclass 5 indent level is 1 For controlling inlet valve
 [List of Pre Grant Publications for class 494 subclass 6][List of Patents for class 494 subclass 6]6 Subclass 6 indent level is 2 In response to level of liquid-type material in bowl or in reservoir for supplying bowl
[List of Pre Grant Publications for class 494 subclass 7][List of Patents for class 494 subclass 7]7 Subclass 7 indent level is 1 For controlling drive of (a) bowl or (b) driven means within bowl
 [List of Pre Grant Publications for class 494 subclass 8][List of Patents for class 494 subclass 8]8 Subclass 8 indent level is 2 In response to load imposed upon driven means
 [List of Pre Grant Publications for class 494 subclass 9][List of Patents for class 494 subclass 9]9 Subclass 9 indent level is 2 In response to speed of bowl or rotarily-driven means therewithin
 [List of Pre Grant Publications for class 494 subclass 10][List of Patents for class 494 subclass 10]10 WITH MEANS FOR INDICATING, INSPECTING, MEASURING, SIGNALING OR TESTING
 [List of Pre Grant Publications for class 494 subclass 11][List of Patents for class 494 subclass 11]11 WITH CYCLIC OR TIME CONTROL MEANS
 [List of Pre Grant Publications for class 494 subclass 12][List of Patents for class 494 subclass 12]12 INCLUDING MEANS OR STRUCTURE FOR PROMOTING SAFETY
[List of Pre Grant Publications for class 494 subclass 13][List of Patents for class 494 subclass 13]13 WITH MEANS FOR EXCHANGING HEAT
 [List of Pre Grant Publications for class 494 subclass 14][List of Patents for class 494 subclass 14]14 Subclass 14 indent level is 1 Comprising or including means for cooling
 [List of Pre Grant Publications for class 494 subclass 15][List of Patents for class 494 subclass 15]15 WITH MEANS FOR LUBRICATING
[List of Pre Grant Publications for class 494 subclass 16][List of Patents for class 494 subclass 16]16 INCLUDING PLURALITY OF MINIATURE BOWLS (E.G., TEST TUBES) DISTRUBUTED ABOUT ROTATABLE CARRIER AND READILY REMOVABLE THEREFROM
[List of Pre Grant Publications for class 494 subclass 17][List of Patents for class 494 subclass 17]17 Subclass 17 indent level is 1 And means for introducing either material or auxiliary fluid into bowls
 [List of Pre Grant Publications for class 494 subclass 18][List of Patents for class 494 subclass 18]18 Subclass 18 indent level is 2 Including conduit of flexible umbilical cable type
 [List of Pre Grant Publications for class 494 subclass 19][List of Patents for class 494 subclass 19]19 Subclass 19 indent level is 1 And means for rotating each bowl about own axis
 [List of Pre Grant Publications for class 494 subclass 20][List of Patents for class 494 subclass 20]20 Subclass 20 indent level is 1 Having bowls, or holders therefor, pivotaby attached to carrier for tilting during rotation of carrier
 [List of Pre Grant Publications for class 494 subclass 21][List of Patents for class 494 subclass 21]21 Subclass 21 indent level is 1 Comprising flexible bowls embraced by pockets provided therefor in carrier
 [List of Pre Grant Publications for class 494 subclass 22][List of Patents for class 494 subclass 22]22 INCLUDING INTRODUCTION OF DIFFERING-WEIGHT FLUIDS (E.G., LIQUIDS) FOR COUNTERCURRENT FLOW
[List of Pre Grant Publications for class 494 subclass 23][List of Patents for class 494 subclass 23]23 WITH MEANS FOR FURNISHING AUXILIARY FLUID TO MATERIAL OR APPARATUS
 [List of Pre Grant Publications for class 494 subclass 24][List of Patents for class 494 subclass 24]24 Subclass 24 indent level is 1 Energy of fluid utilized for driving bowl
 [List of Pre Grant Publications for class 494 subclass 25][List of Patents for class 494 subclass 25]25 Subclass 25 indent level is 1 Gas other than air
 [List of Pre Grant Publications for class 494 subclass 26][List of Patents for class 494 subclass 26]26 Subclass 26 indent level is 1 Air at atmospheric, or greater, pressure
[List of Pre Grant Publications for class 494 subclass 27][List of Patents for class 494 subclass 27]27 Subclass 27 indent level is 1 Liquid
 [List of Pre Grant Publications for class 494 subclass 28][List of Patents for class 494 subclass 28]28 Subclass 28 indent level is 2 Moving radially inwardly toward axis of rotation of bowl
 [List of Pre Grant Publications for class 494 subclass 29][List of Patents for class 494 subclass 29]29 Subclass 29 indent level is 2 Furnished at plural locations
 [List of Pre Grant Publications for class 494 subclass 30][List of Patents for class 494 subclass 30]30 Subclass 30 indent level is 2 Including one or more valves in incoming path
[List of Pre Grant Publications for class 494 subclass 31][List of Patents for class 494 subclass 31]31 INCLUDING PLURALITY OF SEPARATE AND DISTINCT BOWLS
 [List of Pre Grant Publications for class 494 subclass 32][List of Patents for class 494 subclass 32]32 Subclass 32 indent level is 1 And means external of bowls for conducting material therebetween
 [List of Pre Grant Publications for class 494 subclass 33][List of Patents for class 494 subclass 33]33 Subclass 33 indent level is 1 Having bowls equally spaced from a central axis of rotation for orbiting thereabout
 [List of Pre Grant Publications for class 494 subclass 34][List of Patents for class 494 subclass 34]34 Subclass 34 indent level is 1 Having bowls spaced along common axis of rotation
 [List of Pre Grant Publications for class 494 subclass 35][List of Patents for class 494 subclass 35]35 BOWL AND MEANS EXTERNAL THEREOF FOR RECIRCULATING MATERIAL
 [List of Pre Grant Publications for class 494 subclass 36][List of Patents for class 494 subclass 36]36 WITH MEANS FOR FILTERING
 [List of Pre Grant Publications for class 494 subclass 37][List of Patents for class 494 subclass 37]37 PROCESS
[List of Pre Grant Publications for class 494 subclass 38][List of Patents for class 494 subclass 38]38 INCLUDING SEALING MEANS
 [List of Pre Grant Publications for class 494 subclass 39][List of Patents for class 494 subclass 39]39 Subclass 39 indent level is 1 For protecting evacuated, bowl-enclosing housing against gaseous infiltration
 [List of Pre Grant Publications for class 494 subclass 40][List of Patents for class 494 subclass 40]40 Subclass 40 indent level is 1 Comprising seal, or element cooperating therewith, movable axially for controlling outlet on periphery of bowl
 [List of Pre Grant Publications for class 494 subclass 41][List of Patents for class 494 subclass 41]41 Subclass 41 indent level is 1 For sealing between stationary and moving elements
 [List of Pre Grant Publications for class 494 subclass 42][List of Patents for class 494 subclass 42]42 INCLUDING DRIVEN MEANS AT LEAST PARTIALLY EXTERNAL OF BOWL FOR MOVING MATERIAL THERETO OR THEREFROM
[List of Pre Grant Publications for class 494 subclass 43][List of Patents for class 494 subclass 43]43 ROTATABLE BOWL
 [List of Pre Grant Publications for class 494 subclass 44][List of Patents for class 494 subclass 44]44 Subclass 44 indent level is 1 Comprising plurality of bowls partly or wholly within one another
 [List of Pre Grant Publications for class 494 subclass 45][List of Patents for class 494 subclass 45]45 Subclass 45 indent level is 1 Including flexible, removable lining therein
 [List of Pre Grant Publications for class 494 subclass 46][List of Patents for class 494 subclass 46]46 Subclass 46 indent level is 1 Including bearing means adapted to enable bowl to establish dynamic axis of rotation
[List of Pre Grant Publications for class 494 subclass 47][List of Patents for class 494 subclass 47]47 Subclass 47 indent level is 1 Including means for imparting other movement to bowl in whole or in part before, during or after its axial rotation
 [List of Pre Grant Publications for class 494 subclass 48][List of Patents for class 494 subclass 48]48 Subclass 48 indent level is 2 Axial movement of one portion of bowl wall relative to another (e.g., for discharging)
 [List of Pre Grant Publications for class 494 subclass 49][List of Patents for class 494 subclass 49]49 Subclass 49 indent level is 1 Driven by energy of material supplied
[List of Pre Grant Publications for class 494 subclass 50][List of Patents for class 494 subclass 50]50 Subclass 50 indent level is 1 Including driven material-moving means therein
 [List of Pre Grant Publications for class 494 subclass 51][List of Patents for class 494 subclass 51]51 Subclass 51 indent level is 2 Plural driven means
[List of Pre Grant Publications for class 494 subclass 52][List of Patents for class 494 subclass 52]52 Subclass 52 indent level is 2 Rotatably driven coaxially with bowl, but differing as to direction or speed
[List of Pre Grant Publications for class 494 subclass 56][List of Patents for class 494 subclass 56]56 Subclass 56 indent level is 1 Including discharge-related structure in nature of (a) outlet having device for controlling quantity of flow, (b) element associated with pickup of material and adjustable for varying quality of flow, or (c) static scraper or the like for engaging material in moving bowl
 [List of Pre Grant Publications for class 494 subclass 57][List of Patents for class 494 subclass 57]57 Subclass 57 indent level is 2 Element associated with pickup of material and adjustable for varying quality of flow
[List of Pre Grant Publications for class 494 subclass 58][List of Patents for class 494 subclass 58]58 Subclass 58 indent level is 2 Static scraper or the like for engaging material in moving bowl
[List of Pre Grant Publications for class 494 subclass 60][List of Patents for class 494 subclass 60]60 Subclass 60 indent level is 1 Including housing for bowl
 [List of Pre Grant Publications for class 494 subclass 61][List of Patents for class 494 subclass 61]61 Subclass 61 indent level is 2 And means for reducing, and maintaining, pressure in housing below that of environment
 [List of Pre Grant Publications for class 494 subclass 62][List of Patents for class 494 subclass 62]62 Subclass 62 indent level is 2 Serving to support bowl from above
 [List of Pre Grant Publications for class 494 subclass 63][List of Patents for class 494 subclass 63]63 Subclass 63 indent level is 2 For vertically-oriented bowl, and having plural receivers at top for separated components
 [List of Pre Grant Publications for class 494 subclass 64][List of Patents for class 494 subclass 64]64 Subclass 64 indent level is 1 Having structural provision for facilitating cleaning (e.g., quick take apart)
 [List of Pre Grant Publications for class 494 subclass 65][List of Patents for class 494 subclass 65]65 Subclass 65 indent level is 1 Vertically-oriented, and including structural provision for bottom entry of material
 [List of Pre Grant Publications for class 494 subclass 66][List of Patents for class 494 subclass 66]66 Subclass 66 indent level is 1 Including structure located within bowl and defining axially-extending, helical flow path
[List of Pre Grant Publications for class 494 subclass 67][List of Patents for class 494 subclass 67]67 Subclass 67 indent level is 1 Including structure located within vertically-oriented bowl and extending outwardly from central region (e.g., axis) thereof
[List of Pre Grant Publications for class 494 subclass 68][List of Patents for class 494 subclass 68]68 Subclass 68 indent level is 2 Comprising plurality of elements, each concentrically encircling axis of bowl and spaced therealong
[List of Pre Grant Publications for class 494 subclass 74][List of Patents for class 494 subclass 74]74 Subclass 74 indent level is 2 Comprising plurality of axially-extending, plate-like elements, each having its inner edge lying along central region
[List of Pre Grant Publications for class 494 subclass 76][List of Patents for class 494 subclass 76]76 Subclass 76 indent level is 1 Including plurality of axially-extending, tubular elements located within vertically-oriented bowl
[List of Pre Grant Publications for class 494 subclass 77][List of Patents for class 494 subclass 77]77 Subclass 77 indent level is 2 Each element concentric with axis of bowl
 [List of Pre Grant Publications for class 494 subclass 79][List of Patents for class 494 subclass 79]79 Subclass 79 indent level is 1 Including plurality of axially-extending, plate-like elements located within vertically-oriented bowl
 [List of Pre Grant Publications for class 494 subclass 80][List of Patents for class 494 subclass 80]80 Subclass 80 indent level is 1 Including plurality of shelf-like elements located within vertically oriented bowl and extending generally horizontally inwardly from wall thereof
 [List of Pre Grant Publications for class 494 subclass 81][List of Patents for class 494 subclass 81]81 Subclass 81 indent level is 1 Material of bowl wall
 [List of Pre Grant Publications for class 494 subclass 82][List of Patents for class 494 subclass 82]82 INCLUDING VIBRATION DAMPING MEANS
 [List of Pre Grant Publications for class 494 subclass 83][List of Patents for class 494 subclass 83]83 INCLUDING BEARING STRUCTURE
 [List of Pre Grant Publications for class 494 subclass 84][List of Patents for class 494 subclass 84]84 INCLUDING SPECIFIC DEVICE OR STRUCTURE FOR DRIVING OR CONTROLLING BOWL
 [List of Pre Grant Publications for class 494 subclass 85][List of Patents for class 494 subclass 85]85 MISCELLANEOUS
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 494 subclass 900][List of Patents for class 494 subclass 900]900 INVOLVING MIXTURE CONTAINING ONE OR MORE GASES
 [List of Pre Grant Publications for class 494 subclass 901][List of Patents for class 494 subclass 901]901 INVOLVING MIXTURE CONTAINING OIL
 [List of Pre Grant Publications for class 494 subclass 902][List of Patents for class 494 subclass 902]902 INVOLVING THE USE OF MERCURY
 
FOREIGN ART COLLECTIONS
 
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