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 Class   159CONCENTRATING EVAPORATORS
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  2.1           SUPERHEATING AND PRESSURE RELEASE
  2.2           . (1 indent ) With extruder
  2.3           .. (2 indent ) Multistage
  3           SPRAY TYPE
  4.01           . (1 indent ) Gaseous current
  4.02           .. (2 indent ) Combustion product gas
  4.03           .. (2 indent ) Antibridging
  4.04           .. (2 indent ) Countercurrent
  4.05           .. (2 indent ) Intermediate gas outlet or inlet
  4.06           .. (2 indent ) Bottom sprayer
  4.07           .. (2 indent ) Horizontial sprayer
  4.08           .. (2 indent ) Impinging jets
  4.09           .. (2 indent ) Multistaging
  4.1           .. (2 indent ) Heat recovery
  4.2           .. (2 indent ) Spinning sprayer
  4.3           .. (2 indent ) Rotary drum with sprayer
  4.4           .. (2 indent ) Steam drying or atomizing
  5           FILM TYPE
  6.1           . (1 indent ) Centrifugal
  6.2           .. (2 indent ) Wiped film
  6.3           ... (3 indent ) Horizontally
  7           . (1 indent ) Moving-film support
  8           .. (2 indent ) Gaseous current
  9.1           ... (3 indent ) Rotary drum or disk
  9.2           .... (4 indent ) Treated material inside drum
  10           .... (4 indent ) Exterior surface
  11.1           . (1 indent ) Rotary drum or disk
  11.2           .. (2 indent ) Internal film
  11.3           ... (3 indent ) Rotary disk
  12           .. (2 indent ) Inclosing chamber
  13.1           . (1 indent ) Moving film
  13.2           .. (2 indent ) Contacting tube
  13.3           ... (3 indent ) Outside of tube
  13.4           .. (2 indent ) With gas wiping
  14           .. (2 indent ) Climbing
  15           .. (2 indent ) Zigzag
  16.1           GASEOUS BLAST OR CURRENT
  16.2           . (1 indent ) Submerged combustion
  16.3           . (1 indent ) Steam injection
  17.1           MULTIPLE EFFECTS
  17.2           . (1 indent ) Parallel fluid flow
  17.3           . (1 indent ) Variant multistaging
  17.4           . (1 indent ) Contiguous evaporators
  18           . (1 indent ) Superimposed
  19           . (1 indent ) Combined closed and open
  20.1           . (1 indent ) Variable or counterflow
  20.2           .. (2 indent ) With effect switching means
  21           COMBINED CLOSED AND OPEN PANS
  22           CLOSED EVAPORATING CHAMBERS
  23           . (1 indent ) Indirectly heated
  24.1           .. (2 indent ) Regenerative
  24.2           ... (3 indent ) Heat recovery or regeneration
  24.3           .... (4 indent ) Thermocompression
  25.1           .. (2 indent ) Rotatable agitator or coil
  25.2           ... (3 indent ) Vertical axis agitator
  26.1           .. (2 indent ) Heated tube
  26.2           ... (3 indent ) Inclined
  27.1           ... (3 indent ) Vertical
  27.2           .... (4 indent ) Detached separator
  27.3           .... (4 indent ) Multieffect in one casing
  27.4           .... (4 indent ) Downflow
  27.5           .... (4 indent ) Floating calandria
  28.1           .. (2 indent ) Heating elements
  28.2           ... (3 indent ) Baffled
  28.3           ... (3 indent ) Spur tubes
  28.4           ... (3 indent ) Coils
  28.5           ... (3 indent ) Tubular inserts
  28.6           ... (3 indent ) Plate-type evaporator
  29           . (1 indent ) Directly heated
  30           . (1 indent ) Samplers
  31           . (1 indent ) Liquid traps or separators
  32           OPEN PANS
  33           . (1 indent ) With rakes
  34           . (1 indent ) Tiltable, removable, or portable
  35           . (1 indent ) Interposed liquid receptacle
  36           . (1 indent ) Steam and furnace heated
  37           . (1 indent ) Steam heated
  38           . (1 indent ) Furnace heated
  39           .. (2 indent ) Liquid tubes in flue
  40           .. (2 indent ) Flues in pan
  41           .. (2 indent ) With dampers
  42           STRAINERS OR SKIMMERS
  43.1           FLUID FEED OR DISCHARGE DEVICES
  43.2           . (1 indent ) With alternating operating means
  44           . (1 indent ) Automatic
  45           APPARATUS FOR GRAINING AND SEPARATING CRYSTALS
  46           PRELIMINARY HEATERS AND HEAT ECONOMIZERS
  47.1           PROCESSES
  47.2           . (1 indent ) Involving urea
  47.3           . (1 indent ) Involving waste liquid
  48.1           . (1 indent ) Spraying
  48.2           .. (2 indent ) Producing liquid product
  49           . (1 indent ) Film
  1.1           MISCELLANEOUS
 
 CROSS-REFERENCE ART COLLECTIONS
 
  900           USING VIBRATORY FORCE
  901           PROMOTING CIRCULATION
  902           USING NATURAL HEAT
  903           . (1 indent ) Solar
  904           .. (2 indent ) Floating solar still
  905           SEWAGE TREATMENT
  906           WICK
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS
 
 DIGESTS
 
   DIG1           ELECTRIC HEAT
   DIG2           ENTRAINMENT
   DIG3           FLUIDIZED BED
   DIG4           FOAM
   DIG5           FREEZING
   DIG6           INFRARED
   DIG7           MAGNETIC COUPLING
   DIG8           MULTIEFFECT OR MULTISTAGE
   DIG9           TWO LIQUIDS DRIED SIMULTANEOUSLY
   DIG10           ORGANIC
   DIG11           BIOLOGICALS
   DIG12           RADIOACTIVE
   DIG13           SCALE
   DIG14           SOAP
   DIG15           SPECIAL MATERIAL
   DIG16           VACUUM
   DIG17           TWO LIQUIDS
   DIG18           ACCUMULATOR
   DIG19           ACID
   DIG20           ADDITIVE
   DIG21           COATING
   DIG22           CONDENSATE FLASHING
   DIG23           COOLING
   DIG24           CRITICAL
   DIG25           DECANT, PRESS, CENTRIFUGE
   DIG26           ELECTRIC FIELD
   DIG27           MICROPORES
   DIG28           POROUS MEMBER
   DIG29           PEBBLE BED
   DIG30           DESUPER HEATING
   DIG31           DEAERATION
   DIG32           INDIRECT HEAT EXCHANGE
   DIG33           TWO LIQUIDS, ONE A HEAT CARRIER
   DIG34           CAUSTIC
   DIG35           VIEWPORTS, PEEPSIGHTS, AND SIGHTGLASSES
   DIG36           RABBLED HEARTH
   DIG37           PORTED
   DIG38           SEED
   DIG39           POWER PLANT
   DIG40           PUMPS
   DIG41           REMOVABLE UNITS
   DIG42           SEALS


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This data is current as of June/2006