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Class Information
Number: 159/28.3
Name: Concentrating evaporators > Closed evaporating chambers > Indirectly heated > Heating elements > Spur tubes
Description: Apparatus wherein the heat exchange tubes are closed at one end.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6998026 |
Method for producing tertiary C.sub.4-C.sub.8-alkyl esters of (meth)acrylic acid |
Feb. 14, 2006 |
| 6887345 |
Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
May. 3, 2005 |
| 5837096 |
Falling film evaporator |
Nov. 17, 1998 |
| 4925526 |
Tube-type evaporator |
May. 15, 1990 |
| 4325781 |
Co-current evaporator |
Apr. 20, 1982 |
| 4309243 |
Vertical tube distillers |
Jan. 5, 1982 |
| 4216002 |
Selective condensation process and condenser apparatus |
Aug. 5, 1980 |
| 4119485 |
Heat exchangers and evaporators |
Oct. 10, 1978 |
| 3976430 |
Forced circulation cooling crystallizer |
Aug. 24, 1976 |
| 3976537 |
Heat exchangers and evaporators |
Aug. 24, 1976 |
| 3939036 |
Heat exchangers and evaporators |
Feb. 17, 1976 |
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