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Class Information
Number: 202/205
Name: Distillation: apparatus > Apparatus > Systems > Separatory > Still > Vacuum
Description: The system is provided with means for producing a vacuum therein.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5139620 |
Dimple plate horizontal evaporator effects and method of use |
Aug. 18, 1992 |
| 5139612 |
Spray drying apparatus |
Aug. 18, 1992 |
| 5137604 |
Apparatus for drying biological specimens |
Aug. 11, 1992 |
| 5133837 |
Dimpled plate multi-stage flash evaporator |
Jul. 28, 1992 |
| 5122233 |
Apparatus for the treatment of mixture of brines and contaminated mineral salts |
Jun. 16, 1992 |
| 5112446 |
Device for producing fresh water by solar energy-driven sea water desalting means |
May. 12, 1992 |
| 5108548 |
Low pressure distillation apparatus |
Apr. 28, 1992 |
| 5102504 |
Device for solvent recovery in an ultrasonic cleaning device |
Apr. 7, 1992 |
| 5096544 |
Seawater pre-deaerator for open-cycle ocean thermal energy conversion applications |
Mar. 17, 1992 |
| 5084133 |
Process for concentrating specimens by evaporation of the solvent with a centrifugal evaporator-concentrator |
Jan. 28, 1992 |
| 5082535 |
Apparatus for the extraction of oil or polychlorinated biphenyl from electrical parts through the use of solvents and for distillation of the solvents |
Jan. 21, 1992 |
| 5064505 |
Low-pressure desalinization device |
Nov. 12, 1991 |
| 5061348 |
Sulfuric acid reprocessor with continuous purge of second distillation vessel |
Oct. 29, 1991 |
| 5049240 |
Vaccum distillation system |
Sep. 17, 1991 |
| 5035774 |
Recovery of solvent from acetylene steel cylinders to make the cylinders disposable |
Jul. 30, 1991 |
| 5032230 |
Vacuum draft submerged combustion separation system |
Jul. 16, 1991 |
| 5019218 |
Vacuum distillation process |
May. 28, 1991 |
| 5019219 |
Vacuum distillation process |
May. 28, 1991 |
| 4995945 |
Counter-current gas-liquid contacting device |
Feb. 26, 1991 |
| 4986884 |
Process for the production of monomeric .alpha.-cyanoacrylates |
Jan. 22, 1991 |
| 4985122 |
Vacuum distillation apparatus and method with pretreatment |
Jan. 15, 1991 |
| 4980032 |
Distillation method and apparatus for reprocessing sulfuric acid |
Dec. 25, 1990 |
| 4954223 |
Distillation apparatus |
Sep. 4, 1990 |
| 4943305 |
Aerating apparatus for expelling volatile impurities from ground water |
Jul. 24, 1990 |
| 4938868 |
Method of distilling under partial vacuum |
Jul. 3, 1990 |
| 4929311 |
Apparatus for deodorizing an organic liquid |
May. 29, 1990 |
| 4929310 |
Apparatus for deodorizing organic liquids |
May. 29, 1990 |
| 4929312 |
Solvent recovery apparatus and method |
May. 29, 1990 |
| 4921580 |
Solar water distiller |
May. 1, 1990 |
| 4913777 |
Solvent evaporator |
Apr. 3, 1990 |
| 4913771 |
Method for dewatering sludge or slurry |
Apr. 3, 1990 |
| 4909898 |
Polymer recovery from solution |
Mar. 20, 1990 |
| 4904347 |
Method and apparatus for distilling liquid hydrocarbon products |
Feb. 27, 1990 |
| 4900403 |
Recovery of gas dissolved in flue condensate |
Feb. 13, 1990 |
| 4880504 |
Vacumm distillation system with spiralled cold coil |
Nov. 14, 1989 |
| 4879004 |
Process for the extraction of oil or polychlorinated biphenyl from electrical parts through the use of solvents and for distillation of the solvents |
Nov. 7, 1989 |
| 4869785 |
Steam distillation apparatus |
Sep. 26, 1989 |
| 4865689 |
Method and apparatus for evaporating the volatile components of a polymer |
Sep. 12, 1989 |
| 4863570 |
Process for fractional distillation under vacuum |
Sep. 5, 1989 |
| 4863568 |
Apparatus for fractional distillation under vacuum |
Sep. 5, 1989 |
| 4863567 |
Fluid distillation apparatus |
Sep. 5, 1989 |
| 4846934 |
Soil and groundwater remediation system |
Jul. 11, 1989 |
| 4838997 |
Deodorization process for triglyceride oil |
Jun. 13, 1989 |
| 4795532 |
Aftertreatment method and apparatus for distilled water |
Jan. 3, 1989 |
| 4790911 |
Solvent evaporator |
Dec. 13, 1988 |
| 4781797 |
Apparatus for the recovery of gas dissolved in flue condensate |
Nov. 1, 1988 |
| 4780178 |
Rotary evaporator with control system |
Oct. 25, 1988 |
| 4770746 |
Spinning band fractionating column |
Sep. 13, 1988 |
| 4770748 |
Vacuum distillation system |
Sep. 13, 1988 |
| 4764250 |
Vacuum evaporator |
Aug. 16, 1988 |
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