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
4664751 De-salinator for brackish salt water May. 12, 1987
4639293 Partially evacuated solar still Jan. 27, 1987
4636283 Apparatus for the distillation of fresh water from sea water Jan. 13, 1987
4624747 Process for the distillation of fresh water from sea water Nov. 25, 1986
4613412 Evacuator system and process for an evaporative recovery system Sep. 23, 1986
4595460 Method and apparatus for water distillation with energy recovery Jun. 17, 1986
4594131 Process for removing ammonia and acid gases from process streams Jun. 10, 1986
4591413 Multistage flash evaporator providing isolation of impure stage distillate flows from the main duct distillate flow May. 27, 1986
4585524 Method and apparatus for distillation of crude water Apr. 29, 1986
4585523 Vapor compression distillation apparatus Apr. 29, 1986
4584061 Vacuum desalinization device Apr. 22, 1986
4555307 Sea water distillation system Nov. 26, 1985
4525243 Apparatus for desalinating water Jun. 25, 1985
4525242 Desalting system utilizing solar energy Jun. 25, 1985
4518505 Thermal softening process May. 21, 1985
4504362 Solar desalination system and method Mar. 12, 1985
4482432 Apparatus for solid/liquid separation by vaporization and condensation Nov. 13, 1984
4470880 Method for separating a liquid waste finish composition Sep. 11, 1984
4452671 Oil separation and heat recovery system Jun. 5, 1984
4451334 Multi-effect rotary distillation process May. 29, 1984
4444623 Distilling apparatus Apr. 24, 1984
4441963 Distillation apparatus Apr. 10, 1984
4427495 Apparatus and method for upgrading low pressure steam brines and the like Jan. 24, 1984
4420373 Energy conversion method and system Dec. 13, 1983
4419187 Apparatus and method for thermal membrane distillation Dec. 6, 1983
4410503 Process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions Oct. 18, 1983
4384924 Method of separating acids and bases which have been carried along in the vapors formed during distillation May. 24, 1983
4383892 Solar assist for the lifting, purification and storage of water May. 17, 1983
4373996 Apparatus for producing fresh water from sea water Feb. 15, 1983
4366066 Stabilization of softened water with self-generated CO.sub.2 Dec. 28, 1982
4366030 Subatmospheric pressure distillation and/or cooling method and means Dec. 28, 1982
4347385 Process for the separation of sulfur compounds from water Aug. 31, 1982
4344847 Process for obtaining energy, soft water and by-products from aqueous substances Aug. 17, 1982
4343683 Method for desalinating water Aug. 10, 1982
4342624 Vapor compression liquid treating system Aug. 3, 1982
4341601 Water evaporation process Jul. 27, 1982
4334961 Paired stage flash evaporator having improved configuration Jun. 15, 1982
4332642 Paired stage flash evaporator having improved distillate collection Jun. 1, 1982
4323430 Process for separating ammonia and acid gases from streams containing fixed ammonia salts Apr. 6, 1982
4319964 Apparatus for high volume distillation of liquids Mar. 16, 1982
4319965 Barometric distillation system Mar. 16, 1982
4318781 Desalinazation apparatus Mar. 9, 1982
4316774 Thermoelectric integrated membrane evaporation system Feb. 23, 1982
4312710 Multistage flash evaporator Jan. 26, 1982
4304637 Apparatus for continuously separating purified volatile liquid from crude volatile liquid containing non-volatile constituents and dissolved incondensible gas, by the use of mechanical energy Dec. 8, 1981
4302682 Ocean thermal energy conversion system Nov. 24, 1981
4302297 Desalination apparatus with power generation Nov. 24, 1981
4292135 Multistage-expansion evaporator Sep. 29, 1981
4282067 Apparatus for high volume distillation of liquids Aug. 4, 1981
4282070 Energy conversion method with water recovery Aug. 4, 1981

1 2 3 4 5 6










 
 
  Recently Added Patents
Block copolymer nanoparticle compositions
Monitoring of undesirable fluid ingress into subsea control modules
Re-establishing push notification channels via user identifiers
Cathode material for lithium ion secondary battery and lithium ion secondary battery using it
Determination and presentation of package pricing offers in response to customer interest in a product
Assigning runtime artifacts to software components
Network client validation of network management frames
  Randomly Featured Patents
Method for increasing product yield
Telephone receiver
Method of manufacturing a dual interface separable insulated connector with overmolded faraday cage
Electron gun for color cathode ray tube
Trailer wheel chock
Decontamination of hydrocarbon contaminated soil
Human body sensor for seat
Semiconductor memory and method of manufacturing the same
Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses
Method for inhibiting sulfide stress corrosion cracking and hydrogen induced stepwise cracking