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[Search a list of Patent Appplications for class 196]  Class   196MINERAL OILS: APPARATUS
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    [List of Patents for class 196 subclass 14.5]  14.5           DEWAXING
    [List of Patents for class 196 subclass 14.52]  14.52           SOLVENT EXTRACTION
   [List of Patents for class 196 subclass 46]  46           REFINING
    [List of Patents for class 196 subclass 46.1]  46.1           Subclass 46.1 indent level is 1 With filtration
   [List of Patents for class 196 subclass 98]  98           COMBINED VAPORIZING AND CONDENSING
   [List of Patents for class 196 subclass 99]  99           Subclass 99 indent level is 1 Condensate returned to vaporizer
    [List of Patents for class 196 subclass 100]  100           Subclass 100 indent level is 2 Columns
    [List of Patents for class 196 subclass 102]  102           Subclass 102 indent level is 1 Condenser or collector in vaporizer
    [List of Patents for class 196 subclass 103]  103           Subclass 103 indent level is 1 Heads
   [List of Patents for class 196 subclass 104]  104           VAPORIZING
   [List of Patents for class 196 subclass 105]  105           Subclass 105 indent level is 1 Systems
    [List of Patents for class 196 subclass 106]  106           Subclass 106 indent level is 2 Series stills
   [List of Patents for class 196 subclass 107]  107           Subclass 107 indent level is 1 Tube and drum
   [List of Patents for class 196 subclass 108]  108           Subclass 108 indent level is 2 Cyclic circulation
    [List of Patents for class 196 subclass 109]  109           Subclass 109 indent level is 3 Drum above tube
    [List of Patents for class 196 subclass 110]  110           Subclass 110 indent level is 1 Tubular
    [List of Patents for class 196 subclass 111]  111           Subclass 111 indent level is 1 With partitions
    [List of Patents for class 196 subclass 112]  112           Subclass 112 indent level is 1 Rotary
    [List of Patents for class 196 subclass 114]  114           Subclass 114 indent level is 1 Vacuum
    [List of Patents for class 196 subclass 115]  115           Subclass 115 indent level is 1 Special shapes
   [List of Patents for class 196 subclass 116]  116           Subclass 116 indent level is 1 Furnaces and flues
    [List of Patents for class 196 subclass 117]  117           Subclass 117 indent level is 2 Internal flues
    [List of Patents for class 196 subclass 118]  118           Subclass 118 indent level is 1 Liquid baths
    [List of Patents for class 196 subclass 119]  119           Subclass 119 indent level is 1 Jackets
   [List of Patents for class 196 subclass 120]  120           Subclass 120 indent level is 1 Special means for heating
    [List of Patents for class 196 subclass 121]  121           Subclass 121 indent level is 2 Electric
    [List of Patents for class 196 subclass 122]  122           Subclass 122 indent level is 1 Carbon removers
   [List of Patents for class 196 subclass 123]  123           Subclass 123 indent level is 1 Circulators or agitators
    [List of Patents for class 196 subclass 124]  124           Subclass 124 indent level is 2 Mechanical
    [List of Patents for class 196 subclass 125]  125           Subclass 125 indent level is 2 Baffles
    [List of Patents for class 196 subclass 126]  126           Subclass 126 indent level is 2 Fluid injectors
    [List of Patents for class 196 subclass 127]  127           Subclass 127 indent level is 1 Fluid injectors
    [List of Patents for class 196 subclass 128]  128           Subclass 128 indent level is 1 Films or sprays
   [List of Patents for class 196 subclass 129]  129           Subclass 129 indent level is 1 Depending legs or spur tubes
    [List of Patents for class 196 subclass 130]  130           Subclass 130 indent level is 2 Bottoms
    [List of Patents for class 196 subclass 131]  131           Subclass 131 indent level is 2 Unheated
    [List of Patents for class 196 subclass 132]  132           Subclass 132 indent level is 1 Automatic control
    [List of Patents for class 196 subclass 133]  133           Subclass 133 indent level is 1 Special features of construction
    [List of Patents for class 196 subclass 134]  134           Subclass 134 indent level is 1 Heat recovery from vapor or residuum
    [List of Patents for class 196 subclass 135]  135           Subclass 135 indent level is 1 Feeders
    [List of Patents for class 196 subclass 136]  136           Subclass 136 indent level is 1 Vapor outlets
    [List of Patents for class 196 subclass 137]  137           Subclass 137 indent level is 1 Attachments
   [List of Patents for class 196 subclass 138]  138           CONDENSING
    [List of Patents for class 196 subclass 139]  139           Subclass 139 indent level is 1 Dephlegmators or fractionating columns
    [List of Patents for class 196 subclass 140]  140           Subclass 140 indent level is 1 Contact with cooling fluid
    [List of Patents for class 196 subclass 141]  141           Subclass 141 indent level is 1 Automatically controlled temperature
    [List of Patents for class 196 subclass 155]  155           MISCELLANEOUS
 
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