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 Class   202DISTILLATION: APPARATUS
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  81           APPARATUS
  82           . (1 indent ) Systems
  83           .. (2 indent ) Portably mounted
  84           .. (2 indent ) Separatory and thermolytic
  85           .. (2 indent ) Thermolytic and autothermic
  86           ... (3 indent ) Retort and kiln
  87           .... (4 indent ) Retort heated by combustion
  88           ... (3 indent ) Kiln and directly heated chamber
  89           .... (4 indent ) Interchangeable
  90           .... (4 indent ) Chamber externally heated
  91           .. (2 indent ) Autothermic
  92           ... (3 indent ) Open kiln
  93           ... (3 indent ) Closed kiln
  94           .... (4 indent ) With steam generator
  95           .... (4 indent ) With residue quencher or cooler
  96           .. (2 indent ) Thermolytic
  97           ... (3 indent ) Stalls
  98           .... (4 indent ) Tunnels
  99           ... (3 indent ) Directly heated chamber
  100           .... (4 indent ) Rotary chamber
  101           ... (3 indent ) Dome ovens
  102           ... (3 indent ) Hearths
  103           .... (4 indent ) Distilland transferring
  104           .... (5 indent ) Vertical series
  105           ... (3 indent ) Retort
  106           .... (4 indent ) With steam generation
  107           .... (4 indent ) With digester
  108           .... (4 indent ) With direct heating
  109           .... (4 indent ) With cyclic volatile circulation
  110           .... (4 indent ) With distilland pressure
  111           .... (4 indent ) With recuperators and regenerators
  112           .... (4 indent ) With distillate fixing chamber
  113           .... (4 indent ) Plural
  114           .... (5 indent ) Common heating furnace
  115           .... (5 indent ) Annularly arranged
  116           .... (5 indent ) Vertical and horizontal or inclined
  117           .... (4 indent ) Conveying
  118           .... (5 indent ) Screw
  119           .... (5 indent ) Reciprocating
  120           .... (4 indent ) Vertical
  121           .... (5 indent ) With fluid injection
  122           .... (5 indent ) With recuperator
  123           .... (5 indent ) With regenerator
  124           .... (5 indent ) With heating chamber
  125           ..... (6 indent ) Alternate reverse flow flues
  126           ..... (6 indent ) Vertical flues
  127           ..... (6 indent ) Circumvallate flues
  128           .... (4 indent ) Inclined
  129           .... (5 indent ) With fluid injection
  130           .... (5 indent ) With regenerator or recuperator
  131           .... (5 indent ) Rotary
  132           .... (5 indent ) Gas bench
  133           .... (4 indent ) Horizontal
  134           .... (5 indent ) With fluid injection to retort
  135           .... (5 indent ) Plural gas and/or air admission
  136           .... (5 indent ) Rotary
  137           .... (5 indent ) With heating chamber
  138           .... (5 indent ) With flues
  139           ..... (6 indent ) Vertical
  140           ...... (7 indent ) With recuperators
  141           ...... (7 indent ) With reversible regenerators
  142           ....... (8 indent ) Alternatively poor and/or rich gas fuel
  143           ....... (8 indent ) Regenerators reversing along the system
  144           ....... (8 indent ) Regenerators reversing across the system
  145           ..... (6 indent ) Horizontal
  146           ...... (7 indent ) With regenerators
  147           .... (5 indent ) Gas bench
  148           ..... (6 indent ) With recuperator
  149           ..... (6 indent ) With fluid injection
  150           .... (4 indent ) Preheating
  151           .... (4 indent ) Combustion control devices
  152           .. (2 indent ) Separatory
  153           ... (3 indent ) Still and column
  154           .... (4 indent ) Plural columns
  155           .... (4 indent ) Plural stills
  156           .... (5 indent ) Parallel
  158           ... (3 indent ) Column
  159           .... (4 indent ) With preheater
  160           .... (4 indent ) Automatic temperature and/or pressure control
  161           .... (4 indent ) Partial reflux condenser
  162           .... (4 indent ) Vapor-element by-pass
  163           ... (3 indent ) Still
  164           .... (4 indent ) Recovery from containers
  165           .... (4 indent ) Still and stove
  166           .... (4 indent ) Still and stand boiler
  167           .... (4 indent ) Still and feed-water heater
  168           .... (4 indent ) Still and extractor
  169           .... (5 indent ) Continuous extraction
  170           .... (4 indent ) Still extractor
  172           .... (4 indent ) Plural
  173           .... (5 indent ) Series
  174           ..... (6 indent ) Multiple effect
  175           .... (4 indent ) With agitator
  176           .... (4 indent ) With distilland treating devices
  177           .... (5 indent ) Preheater
  178           ..... (6 indent ) Straining
  179           ..... (6 indent ) Dephlegmating
  180           ..... (6 indent ) Condensing
  181           .... (5 indent ) Level control
  182           .... (4 indent ) With vapor-treating devices
  183           .... (5 indent ) Still and absorber
  184           ..... (6 indent ) Still absorber
  185.1           .... (5 indent ) Condenser
  185.2           ..... (6 indent ) Direct contact
  185.3           ..... (6 indent ) Air condensers
  185.4           ..... (6 indent ) Circulating coolant in cap or top closure
  185.5           ..... (6 indent ) Helical coil for vapor stream
  185.6           ..... (6 indent ) Helical coil for coolant
  186           ..... (6 indent ) Plural
  187           ..... (6 indent ) Concentric with still
  188           ..... (6 indent ) Still supporting
  189           ..... (6 indent ) Still supported
  190           ...... (7 indent ) Cap (or closure)
  191           ....... (8 indent ) Jacketed
  192           ........ (9 indent ) Still feeding
  193           ........ (10 indent ) Distilland-level control
  194           ...... (7 indent ) Still feeding
  195           ..... (6 indent ) Still feeding
  196           ...... (7 indent ) Distilland-level control
  197           .... (5 indent ) With separator
  198           .... (5 indent ) Dephlegmator
  199           .... (5 indent ) Doubler
  200           .... (5 indent ) Filter
  201           .... (5 indent ) Aerator
  202           .... (4 indent ) With condensate-treating devices
  203           .... (5 indent ) Aeration
  204           .... (5 indent ) Decanter
  205           .... (4 indent ) Vacuum
  206           .... (4 indent ) Automatic heat control
             . (1 indent ) Types
             .. (2 indent ) Separatory and thermolytic
  207           ... (3 indent ) Stump stills
  208           ... (3 indent ) Directly heated chamber
  209           ... (3 indent ) Still retort
             .. (2 indent ) Autothermic
  210           ... (3 indent ) Heap
  211           ... (3 indent ) Kiln
  212           .... (4 indent ) Arched
  213           .... (4 indent ) Partable and/or knockdown
  214           .... (4 indent ) Bottom discharge
  215           ... (3 indent ) Directly heated chamber
  216           .... (4 indent ) Rotary
  217           ... (3 indent ) Retort
  218           .... (4 indent ) Rotary and/or tilting
  219           .... (4 indent ) Molten bath
  220           .... (4 indent ) Flued
  221           .... (4 indent ) Vertical
  222           .... (4 indent ) Structural features
  223           .... (5 indent ) Wall
  224           .... (5 indent ) Shields
  225           .... (5 indent ) Cores
  226           .... (4 indent ) Residue treatment
  227           ... (3 indent ) Quencher
  228           .... (4 indent ) Gas or vapor circulating
  229           .... (4 indent ) Submersible chamber
  230           .... (4 indent ) Conveyer type
             .. (2 indent ) Separatory
  232           ... (3 indent ) Still
  233           .... (4 indent ) Directly and indirectly heated
  234           .... (4 indent ) Directly heated
  235           .... (4 indent ) Indirectly heated
  236           .... (4 indent ) Spray forming and filming
  237           .... (4 indent ) Tubular
  238           .... (4 indent ) Rotary and/or tiltable
  239           . (1 indent ) Elements
  241           .. (2 indent ) Cleaning and decarbonizing
  242           .. (2 indent ) Closures
  243           ... (3 indent ) Fluid cooled
             ... (3 indent ) Dome ovens
  244           .... (4 indent ) Tunnel heads and lids
  245           .... (4 indent ) Removable
  246           .... (4 indent ) Hinged
  247           ... (3 indent ) Horizontal retort
  248           .... (4 indent ) Coke-oven type
  249           .... (4 indent ) Rotary retort
  250           ... (3 indent ) Top
  251           .... (4 indent ) Charging
  252           ... (3 indent ) Bottom
  253           .... (4 indent ) Cooling or quenching
  254           .. (2 indent ) Offtakes
  255           ... (3 indent ) Dip pipes and mains
  256           .... (4 indent ) Valved
  257           ... (3 indent ) Plural
  258           ... (3 indent ) Valved
  259           ... (3 indent ) Jacketed
  260           ... (3 indent ) Cooled
  261           ... (3 indent ) Residue offtakes
  262           .. (2 indent ) Feeding and discharging
  263           ... (3 indent ) Smoke escapes
  264           .. (2 indent ) Foam control
  265           .. (2 indent ) Agitating
  266           .. (2 indent ) Distilland supports and containers
  267.1           .. (2 indent ) Materials of construction
  267.2           ... (3 indent ) Corrugated walls
  268           .. (2 indent ) Expansion provisions
  269           .. (2 indent ) Air and gas seals
  270           . (1 indent ) Accessories and details
 
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