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