Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 203/11
Name: Distillation: processes, separatory > Water purification only > Under pressure or vacuum
Description: Processes in which distillation is carried out under a pressure greater than atmospheric or under a vacuum.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
5498317 Apparatus for treating chemical production plant process condensate Mar. 12, 1996
5466344 Method and apparatus for controlling water-based liquid waste Nov. 14, 1995
5441606 Liquid purifying and vacuum distillation process Aug. 15, 1995
5409576 Rotating evaporator device for the distillation or concentration of liquids Apr. 25, 1995
5389208 Process for reclaiming and/or concentrating waste aqueous solutions of gas treating chemicals Feb. 14, 1995
5385646 Method of treating chemical process effluent Jan. 31, 1995
5376238 Latex paint recovery process by vacuum evaporation Dec. 27, 1994
5372012 Removal of volatile organic pollutants from drinking water Dec. 13, 1994
5352335 Groundwater treatment process Oct. 4, 1994
5340443 Distillation apparatus with paired membrane units Aug. 23, 1994
5306397 Process and apparatus for the extraction of fresh water from warm seawater Apr. 26, 1994
5288408 Method of gelatin recovery and purification from encapsulation processes Feb. 22, 1994
5269933 Method for separating a fluid mixture Dec. 14, 1993
5248394 Liquid purifying/distillation device Sep. 28, 1993
5232556 Water desalination apparatus Aug. 3, 1993
5232557 Heat transfer plates evaporation and condensation apparatus Aug. 3, 1993
5221439 Orbital tube evaporator with improved heat transfer Jun. 22, 1993
5211812 Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed May. 18, 1993
5207875 Seawater pre-deaerator process for open-cycle ocean thermal energy conversion applications May. 4, 1993
5198076 Low-pressure desalinization device Mar. 30, 1993
5181396 Method of freezing and separation Jan. 26, 1993
5156706 Evaporation of liquids with dispersant added Oct. 20, 1992
5139620 Dimple plate horizontal evaporator effects and method of use Aug. 18, 1992
5133837 Dimpled plate multi-stage flash evaporator Jul. 28, 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
5096544 Seawater pre-deaerator for open-cycle ocean thermal energy conversion applications Mar. 17, 1992
5064505 Low-pressure desalinization device Nov. 12, 1991
5032230 Vacuum draft submerged combustion separation system Jul. 16, 1991
5028298 Waste water concentrator and waste water disposal plant Jul. 2, 1991
4985122 Vacuum distillation apparatus and method with pretreatment Jan. 15, 1991
4954223 Distillation apparatus Sep. 4, 1990
4938868 Method of distilling under partial vacuum Jul. 3, 1990
4921580 Solar water distiller May. 1, 1990
4913771 Method for dewatering sludge or slurry Apr. 3, 1990
4877536 Method of treating saline water Oct. 31, 1989
4863567 Fluid distillation apparatus Sep. 5, 1989
4842748 Methods for removing volatile substances from water using flash vaporization Jun. 27, 1989
4818344 Water distilling apparatus Apr. 4, 1989
4801356 Removal of ammonia from fuel cell power plant water system Jan. 31, 1989
4795532 Aftertreatment method and apparatus for distilled water Jan. 3, 1989
4770748 Vacuum distillation system Sep. 13, 1988
4769113 Method for recycling energy in counterflow heat exchange and distillation Sep. 6, 1988
4762592 Orbital drive evaporator Aug. 9, 1988
4734167 Distillation apparatus Mar. 29, 1988
4731164 Multi-stage flash evaporator Mar. 15, 1988
4710272 Distilling apparatus Dec. 1, 1987
4698136 Process for the continuous production of boiler feed water Oct. 6, 1987
4696718 Water purification device Sep. 29, 1987
4686009 Distillation system Aug. 11, 1987

1 2 3 4 5 6










 
 
  Recently Added Patents
Systems and methods for electronic verification of vehicle insurance coverage
Communication terminal device, communication system, and communication control method
Cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives
Display stand for a mobile tablet computer
Electrical stimulation lead, system, and method
System for collecting computer application usage data of targeted application programs executed on a plurality of client devices
Circuit design approximation
  Randomly Featured Patents
Modified porous materials and method of forming the same
Shift device for a gear change transmission
Tone-source apparatus for electronic musical instrument
Centrifugal supercharger having support bearing assembly with outer damped bearing and inner floating bearing
Method of removing records of multiple reflection events from seismic data
Palladium-containing polymer composition and a process for its preparation
Configurable IC's with configurable logic circuits that perform adder and/or subtractor operations
Shock wave tube for the fragmentation of concrements
Aminopyridines and methods of using thereof
Distributed motion prediction network