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Class Information
Number: 159/DIG.32
Name: Concentrating evaporators > Indirect heat exchange
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7572352 |
Method and plant for desalinating salt-containing water |
Aug. 11, 2009 |
| 7332058 |
Heat exchanger and process for devolatilizing polymers using same |
Feb. 19, 2008 |
| 6887345 |
Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
May. 3, 2005 |
| 5730836 |
Evaporative concentration of clay slurries |
Mar. 24, 1998 |
| 5624530 |
Spray drying system |
Apr. 29, 1997 |
| 5582691 |
Ocean thermal energy conversion (OTEC) system |
Dec. 10, 1996 |
| 5582680 |
Wastewater treating apparatus |
Dec. 10, 1996 |
| 5575889 |
Rotating falling film evaporator |
Nov. 19, 1996 |
| 5558687 |
Vertical, packed-bed, film evaporator for halide-free, silicon-containing compounds |
Sep. 24, 1996 |
| RE35283 |
High efficiency water distiller |
Jun. 25, 1996 |
| 5417805 |
Brushed film evaporator |
May. 23, 1995 |
| 5413674 |
Evaporation for solids concentration |
May. 9, 1995 |
| 5306397 |
Process and apparatus for the extraction of fresh water from warm seawater |
Apr. 26, 1994 |
| 5248387 |
Process for producing concentrated aqueous slurries and spray dried particulate products |
Sep. 28, 1993 |
| 5223088 |
Apparatus for producing concentrated aqueous slurries and spray dried particulate products |
Jun. 29, 1993 |
| 5195578 |
Method of and an apparatus for trickling film heat exchange |
Mar. 23, 1993 |
| 5102503 |
Mobile self-contained system for on-site recovery of solvents |
Apr. 7, 1992 |
| 5084134 |
Process for the devolatilization of polymer solutions |
Jan. 28, 1992 |
| 5082525 |
Method and apparatus for improving the performance of liquid waste evaporators |
Jan. 21, 1992 |
| 4981555 |
Process and apparatus for concentrating a solution |
Jan. 1, 1991 |
| 4963231 |
Method for evaporation of liquids |
Oct. 16, 1990 |
| 4909899 |
Method of concentrating sludges |
Mar. 20, 1990 |
| 4894123 |
High efficiency water distiller |
Jan. 16, 1990 |
| 4872949 |
Process for treatment of drilling mud |
Oct. 10, 1989 |
| 4830710 |
Apparatus for recycling solvents |
May. 16, 1989 |
| 4826575 |
Apparatus for production of high-purity water by microwave technology |
May. 2, 1989 |
| 4789428 |
Method for evaporation of spent liquor |
Dec. 6, 1988 |
| 4763488 |
Plate heat exchanger for separating vapor and liquid phases |
Aug. 16, 1988 |
| 4734159 |
Evaporation apparatus |
Mar. 29, 1988 |
| 4731159 |
Evaporator |
Mar. 15, 1988 |
| 4724048 |
Water distiller |
Feb. 9, 1988 |
| 4718985 |
System for diaphragm distillation |
Jan. 12, 1988 |
| 4710272 |
Distilling apparatus |
Dec. 1, 1987 |
| 4695349 |
Process and apparatus for distillation and/or stripping |
Sep. 22, 1987 |
| 4687546 |
Method of concentrating slurried kaolin |
Aug. 18, 1987 |
| 4627890 |
Centrifugal device |
Dec. 9, 1986 |
| 4536256 |
Solvent recovery apparatus |
Aug. 20, 1985 |
| 4497689 |
Heat engineering apparatus for carrying out thermodynamical processes comprising a pair of mutually opposite phase transitions of a work medium |
Feb. 5, 1985 |
| 4282259 |
Process for preparing an extract of hops |
Aug. 4, 1981 |
| 4279693 |
Process for purifying polluted fluids |
Jul. 21, 1981 |
| 4014735 |
Concentration and separation of corrosive liquid mixtures |
Mar. 29, 1977 |
| 3956126 |
Apparatus for disposing of organic waste materials |
May. 11, 1976 |
| 3933575 |
Separation of corrosive liquid mixtures |
Jan. 20, 1976 |
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