Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25J - Liquefaction, solidification, or separation of gases or gaseous mixtures by pressure and cold treatment › F25J 1 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
Patents for F25J 1 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures (4,301)
10/1991
10/29/1991US5060480 Heat exchanger cooled with liquid nitrogen; expanding, recirculating warmed nitrogen
09/1991
09/04/1991CN1013803B Method of improvement for natural gas liquefaction
09/03/1991US5044164 Method of preparing a chemical compound
08/1991
08/06/1991US5036671 Method of liquefying natural gas
07/1991
07/23/1991CA1286595C Process to produce liquid cryogen
07/23/1991CA1286594C Natural gas liquefaction process using low level, high level and absorption refrigeration cycles
07/23/1991CA1286593C Method for sub-cooling a normally gaseous hydrocarbon mixture
07/09/1991CA1285781C Cryogenic recondenser with remote cold box
06/1991
06/25/1991US5025860 Method and apparatus of obtaining natural gas from a maritime deposit
06/25/1991US5025623 Rocket engine
05/1991
05/02/1991WO1991005974A1 Ericsson cycle machine
04/1991
04/30/1991CA1283600C Abatement of vapors from gas steams by solidification
04/24/1991EP0423259A1 Phase change injection nozzle
04/24/1991EP0423110A1 Cryogenic recondenser with remote cold box
04/03/1991EP0420725A1 Refrigeration production process, the refrigeration cycle used and application in the distillation of air
03/1991
03/06/1991CN1049713A Liquefaction of natural gas using process-loaded expanders
02/1991
02/27/1991EP0414107A2 Liquefaction of natural gas using process-loaded expanders
02/19/1991CA1280354C Process for producing liquid helium
02/05/1991US4990412 Cryogenic cooling system with precooling stage
01/1991
01/15/1991US4984432 Refrigeration system
12/1990
12/04/1990US4975259 Method of liquefying and condensing nitrogen trifluoride and a method of purifying nitrogen trifluoride
11/1990
11/20/1990US4970867 Compression, heat exchanging, cooling, expansion
11/20/1990CA1276542C Lng revaporization for boiloff reliquefiers
11/14/1990EP0396775A1 Sealing apparatus
11/14/1990EP0396624A1 Remote recondenser with intermediate temperature heat sink.
11/06/1990US4967564 Cryostatic temperature regulator with a liquid nitrogen bath
10/1990
10/24/1990EP0394187A2 Method for the recovery of NLG
10/18/1990WO1990009347A3 Phase change injection nozzle
10/10/1990CN1009951B Gas refrigeration method and apparatus
10/03/1990EP0389698A1 Method and apparatus for the production and liquefaction of gases
10/03/1990CN1009859B Method for liquefying permanent gasflow
08/1990
08/23/1990WO1990009347A2 Phase change injection nozzle
08/14/1990US4948404 Utilizing expanded methane-rich product gas stream as refrigerant to condense nitrogen; product purity
07/1990
07/31/1990CA1272118A1 Process and installation for the treatment of a storage site
07/26/1990WO1990008295A1 Method and apparatus for the production of liquid oxygen and liquid hydrogen
05/1990
05/23/1990CN1042407A Reliquefaction of boil-off from liquefied natural gas
05/17/1990WO1990005256A1 Sealing apparatus
05/10/1990DE3936914A1 Multistage cold-storage refrigerator using rare-earth alloy e.g for superconducting magnet, computer, SQUID, infrared telescope cooling
05/09/1990EP0367156A2 Reliquefaction of boil-off from liquefied natural gas
05/09/1990EP0366818A1 Cryostatic temperature regulator with a liquid nitrogen bath
04/1990
04/18/1990CN1041440A Natural gas liquefaction process using low level, high level and absorption refrigeration cycles
04/04/1990CN1041034A Reliquefaction of boil-off from liquefied natural gas
03/1990
03/28/1990EP0360229A2 Natural gas liquefaction process using low level, high level and absorption refrigeration cycles
03/27/1990US4911741 Natural gas liquefaction process using low level high level and absorption refrigeration cycles
03/14/1990EP0358100A2 Reliquefaction of boil-off from liquefied natural gas
02/1990
02/20/1990US4901533 Cooling, compressing, phase separation and heat exchange; cold box with hot and cold ends
02/06/1990US4898006 Method and apparatus for drawing off low boiling media from pressure systems
01/1990
01/25/1990WO1990000589A1 A process for liquefying hydrocarbon gas
01/16/1990US4894076 Recycle liquefier process
01/09/1990US4891951 Refrigeration system
01/02/1990US4891139 Method for wet oxidation treatment
01/02/1990CA1264145A1 Method and apparatus for the production of liquid gas products
12/1989
12/13/1989EP0345354A1 Process for purifying nitrogen-fluoride
11/1989
11/23/1989EP0342250A1 Hydrogen liquefaction using a dense fluid expander and neon as a precoolant refrigerant
10/1989
10/24/1989CA1262434A1 Refrigeration method and apparatus
10/24/1989CA1262433A1 Gas refrigeration method and apparatus
10/17/1989US4874413 Process and installation for supplying nitrogen to an apparatus
10/11/1989EP0336501A2 Method of preparing a clathrate of a gas-hydrate-forming material and water
10/03/1989US4870838 Cryostat
07/1989
07/13/1989WO1989006333A1 Remote recondenser with intermediate temperature heat sink
07/11/1989US4846862 Closed-loop refrigeration, condensation
07/04/1989US4843829 Reliquefaction of boil-off from liquefied natural gas
06/1989
06/29/1989WO1989005429A3 Non-temperature cycling cryogenic cooler
06/27/1989US4841732 Insulated container with refrigerator in neck is reservoir for pressurized gas; miniaturization
06/15/1989WO1989005429A2 Non-temperature cycling cryogenic cooler
06/13/1989US4838912 Method and apparatus for the purification and recirculation of gases
05/1989
05/31/1989CN1004374B Liquefying method of gases and the liquefier used
05/18/1989WO1989004444A1 Process for liquefying, concentrating and purifying nitrogen trifluoride
05/16/1989US4829785 Cryogenic cooling system with precooling stage
05/16/1989US4829784 Method and system for storing inert gas for electric impulse space drives
05/09/1989US4828591 Method and apparatus for the liquefaction of natural gas
04/1989
04/26/1989EP0312745A2 Abatement of vapors from gas streams by solidification
04/25/1989US4824454 Device for liquefying a gas
04/18/1989US4822394 On site wet oxidation of municipal wastes producing carbon dioxide
04/18/1989US4822393 Natural gas pretreatment prior to liquefaction
03/1989
03/22/1989EP0308149A1 A method for drawing-off low boiling media from a pressure system and arrangement for carrying out the method
03/15/1989EP0307092A1 Liquefied gas subcooler and pressure regulator
03/07/1989EP0290432A4 Storage and transportation of liquid co 2?.
02/1989
02/28/1989US4809154 Automated control system for a multicomponent refrigeration system
02/07/1989US4802345 Non-temperature cycling cryogenic cooler
01/1989
01/25/1989CN1030638A Method for sub-cooling normally gaseous hydrocarbon mixture
01/10/1989US4796433 Remote recondenser with intermediate temperature heat sink
12/1988
12/28/1988EP0296313A2 Method for sub-cooling a normally gaseous hydrocarbon mixture
12/13/1988US4790147 Helium cooling apparatus
12/07/1988EP0293882A2 Process to produce liquid cryogen
11/1988
11/17/1988EP0290432A1 Storage and transportation of liquid co 2?
11/08/1988US4782671 Cooling apparatus for MRI magnet system and method of use
11/08/1988US4782655 Air liquification system for combustors or the like
10/1988
10/25/1988US4779428 Joule Thomson refrigerator
10/18/1988US4778497 Process to produce liquid cryogen
10/04/1988CA1242637A1 Method of liquefying a gas and liquefier for carrying out the method
09/1988
09/14/1988EP0281821A1 Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes
09/06/1988US4769054 Abatement of vapors from gas streams by solidification
08/1988
08/30/1988US4766741 Cryogenic recondenser with remote cold box
08/23/1988US4765813 Hydrogen liquefaction using a dense fluid expander and neon as a precoolant refrigerant
07/1988
07/28/1988WO1988005519A2 Cryogenic recondenser with remote cold box
07/19/1988US4758257 Gas liquefaction method and apparatus
07/12/1988US4756167 Helium cooling apparatus
07/05/1988US4755200 Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes
06/1988
06/21/1988US4752450 Electron beam passing through a pressure step stage; can be rotationally deflected
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