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Class Information
Number: 159/6W
Name: Concentrating evaporators >

Sub-classes under this class:

Class Number Class Name Patents
159/1.1 Miscellaneous 8
159/16.1 Gaseous blast or current 145
159/17.1 Multiple effects 90
159/2.1 Superheating and pressure release 129
159/21 Combined closed and open pans 1
159/22 Closed evaporating chambers 31
159/3 Spray type 45
159/32 Open pans 12
159/42 Strainers or skimmers 17
159/43.1 Fluid feed or discharge devices 122
159/45 Apparatus for graining and separating crystals 62
159/46 Preliminary heaters and heat economizers 80
159/47.1 Processes 320
159/5 Film type 29
159/900 Using vibratory force 16
159/901 Promoting circulation 142
159/902 Using natural heat 8
159/905 Sewage treatment 28
159/906 Wick 22
159/DIG.1 Electric heat 26
159/DIG.10 Organic 98
159/DIG.11 Biologicals 6
159/DIG.12 Radioactive 67
159/DIG.13 Scale 53
159/DIG.14 Soap 6
159/DIG.15 Special material 88
159/DIG.16 Vacuum 203
159/DIG.17 Two liquids 6
159/DIG.18 Accumulator 2
159/DIG.19 Acid 38
159/DIG.2 Entrainment 27
159/DIG.20 Additive 29
159/DIG.21 Coating 14
159/DIG.22 Condensate flashing 8
159/DIG.23 Cooling 19
159/DIG.24 Critical 1
159/DIG.25 Decant, press, centrifuge 12
159/DIG.26 Electric field 32
159/DIG.27 Micropores 66
159/DIG.28 Porous member 59
159/DIG.29 Pebble bed 3
159/DIG.3 Fluidized bed 32
159/DIG.30 Desuper heating 4
159/DIG.31 Deaeration 9
159/DIG.32 Indirect heat exchange 43
159/DIG.33 Two liquids, one a heat carrier 13
159/DIG.34 Caustic 9
159/DIG.35 Viewports, peepsights, and sightglasses 2
159/DIG.36 Rabbled hearth 1
159/DIG.37 Ported 3
159/DIG.38 Seed 8
159/DIG.39 Power plant 9
159/DIG.4 Foam 19
159/DIG.40 Pumps 48
159/DIG.41 Removable units 31
159/DIG.42 Seals 34
159/DIG.5 Freezing 6
159/DIG.6 Infrared 12
159/DIG.7 Magnetic coupling 5
159/DIG.8 Multieffect or multistage 103
159/DIG.9 Two liquids dried simultaneously 4

Patents under this class:

Patent Number Title Of Patent Date Issued

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