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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
7081205 Mobile desalination plants and systems, and methods for producing desalinated water Jul. 25, 2006
7052582 Wave powered evaporation desalination system May. 30, 2006
7041198 Distillation system May. 9, 2006
7008516 Method and apparatus for desalinating and concentrating sea water, desalinated deep water and concentrated deep water Mar. 7, 2006
6936140 Water distillation system Aug. 30, 2005
6932889 Water treatment device and method Aug. 23, 2005
6833056 Desalination method and desalination apparatus Dec. 21, 2004
6761802 Tunnel for distillation of fresh water from ocean salt water Jul. 13, 2004
6740205 Processing of shipboard wastewater May. 25, 2004
6699369 Apparatus and method for thermal desalination based on pressurized formation and evaporation of droplets Mar. 2, 2004
6649027 Water reclamation system Nov. 18, 2003
6635150 Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method Oct. 21, 2003
6582563 Water purification system Jun. 24, 2003
6508916 Process for recovering processing liquids Jan. 21, 2003
6494995 Solar distillation system Dec. 17, 2002
6454907 Method and apparatus for concentrating slurried solids Sep. 24, 2002
6436242 Device and method for distilling water Aug. 20, 2002
6391162 Desalination apparatus and method of operating the same May. 21, 2002
6383341 Apparatus for obtaining pure water from crude water May. 7, 2002
6303006 System and method for distilling liquid Oct. 16, 2001
6294054 Water purification system Sep. 25, 2001
6254734 Barometric evaporation process and evaporator Jul. 3, 2001
6197162 Liquid purifying distillation process Mar. 6, 2001
6165326 Facility for desalinating of purifying sea water or brackish water by means of solar energy Dec. 26, 2000
6051111 Cold distillation method Apr. 18, 2000
5993608 Process for recovering processing liquids Nov. 30, 1999
5980694 Apparatus for the purification of water contaminated with oil Nov. 9, 1999
5968312 Liquid flow distribution and flow control with dual adjustable orifice plates or overlapping orifices Oct. 19, 1999
5925223 Process for improving thermal efficiency while producing power and desalinating water Jul. 20, 1999
5853549 Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat. Dec. 29, 1998
5810977 Purifying water by superheated steam Sep. 22, 1998
5779861 Method for treating process condensate Jul. 14, 1998
5762763 Method and apparatus for separating water from compressed air system condensate Jun. 9, 1998
5743080 Vapor-air steam engine Apr. 28, 1998
5738761 Sewage treatment process and apparatus Apr. 14, 1998
5738762 Separating oil and water from emulsions containing toxic light ends Apr. 14, 1998
5695643 Process for brine disposal Dec. 9, 1997
5688377 Rotary radial cyclonic fluid mixture separator Nov. 18, 1997
5676801 Radial inflow compressor for large volumetric flows Oct. 14, 1997
5645693 Plant for sea water desalinizing using solar energy Jul. 8, 1997
5643420 Method for treating process condensate Jul. 1, 1997
5630913 Water distillation system May. 20, 1997
5614066 Water distillation apparatus Mar. 25, 1997
5582691 Ocean thermal energy conversion (OTEC) system Dec. 10, 1996
5555735 Removal of volatile organic pollutants from drinking water Sep. 17, 1996
5545296 Water and organic constituent separator system and method Aug. 13, 1996
5536375 Water purifier having a demister Jul. 16, 1996
5534118 Rotary vacuum distillation and desalination apparatus Jul. 9, 1996
5512142 Process and device for purifying organically polluted waste water Apr. 30, 1996
5500097 Method for removing organic compound in water Mar. 19, 1996

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