| Patents for F25J 1 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures (4,301) |
|---|
| 06/28/1994 | US5323623 Recovery of aroma gases |
| 06/01/1994 | EP0599443A1 Method for liquefying natural gas |
| 05/24/1994 | US5315521 Chemical process optimization method |
| 05/11/1994 | EP0596470A1 Process for obtaining very pure liquid methane |
| 04/27/1994 | CN1086009A 化学过程最佳化方法 The best method of chemical processes |
| 04/12/1994 | US5301510 Self-powered slush maintenance unit |
| 03/15/1994 | US5293752 Multi-stage cold accumulation type refrigerator and cooling device including the same |
| 03/15/1994 | US5293749 Multi-stage cold accumulation type refrigerator and cooling device including the same |
| 03/08/1994 | US5291736 Method of liquefaction of natural gas |
| 03/08/1994 | CA2023225C Liquefaction of natural gas using process-loaded expanders |
| 02/16/1994 | EP0583189A1 Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same |
| 02/16/1994 | CN1082183A Improved liquefier process |
| 02/15/1994 | US5286468 Reduction of carbon dioxide to carbon monoxide; cooling, distillation, oxidation |
| 02/11/1994 | CA2101869A1 Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same |
| 02/02/1994 | EP0581273A1 Chemical process optimization method |
| 01/30/1994 | CA2101507A1 Chemical process optimization method |
| 01/26/1994 | EP0580276A1 Refrigeration system for a natural gas liquefaction process |
| 01/25/1994 | US5280710 Continuous process for producing slush hydrogen |
| 01/25/1994 | CA1326343C Process for the co-production of gaseous carbon dioxide and hydrogen |
| 12/21/1993 | US5271231 Method and apparatus for gas liquefaction with plural work expansion of feed as refrigerant and air separation cycle embodying the same |
| 12/14/1993 | CA1325255C Automated control system for a multicomponent refrigeration system |
| 12/08/1993 | EP0573074A2 Improved liquefier process |
| 11/30/1993 | US5265426 Used for cooling superconductor elements |
| 11/02/1993 | US5257503 Method and apparatus for automatic production of blocks of solid carbon dioxide at low pressure |
| 10/12/1993 | US5251456 Liquid helium bath having expansion chamber sealed so that heat from sliding friction is compensated by refrigeration, for superconducting memory cards |
| 08/03/1993 | US5231835 Using high pressure heat exchangers |
| 07/21/1993 | EP0551876A2 Process for removing carbon dioxide from combustion exhaust gas |
| 07/20/1993 | CA1320496C Method of preparing a chemical compound |
| 07/07/1993 | CN1074032A Method and apparatus automatic production of blocks of solid CO2 at low pressure |
| 06/24/1993 | WO1993012395A1 Method and apparatus for automatic production of blocks of solid co2 at low pressure |
| 06/24/1993 | CA2125292A1 Method and apparatus for automatic production of blocks of solid co at low pressure |
| 06/16/1993 | CN1073074A Recovery of aroma gases |
| 05/25/1993 | US5212953 Apparatus for preventing evaporation of liquefied gas in liquefied gas reservoir and its control method |
| 05/19/1993 | EP0541819A1 Method and apparatus for cooling oxide superconductor coil |
| 04/27/1993 | US5205134 Gas liquefaction process and refrigeration plant |
| 04/07/1993 | EP0535752A1 Method for liquefying natural gas |
| 04/06/1993 | US5199266 Unprocessed petroleum gas transport |
| 04/01/1993 | DE4132218A1 Gas cleaning and recycling system - useful for metal powder atomising or pressing unit |
| 03/31/1993 | EP0252455B1 Control of a multicomponent refrigeration system for the liquefaction of natural gas |
| 03/24/1993 | EP0532959A1 Recovery of aroma gases |
| 03/16/1993 | US5193349 Method and apparatus for cooling high temperature superconductors with neon-nitrogen mixtures |
| 03/03/1993 | EP0529307A1 Gas liquefaction process control system |
| 02/17/1993 | CN1069117A Gas liquefaction process control system |
| 02/09/1993 | US5185139 Removal of particulate matter and trace contaminatnts; separation; liquifying carbon dioxide; distillation |
| 02/03/1993 | EP0526320A1 Compression circuit for a gaseous fluid at a low pressure and temperature |
| 02/03/1993 | EP0345354B1 Process for purifying nitrogen-fluoride |
| 02/02/1993 | US5182926 During processing of a beverage |
| 02/01/1993 | CA2074654A1 Gas liquefaction process control system |
| 01/26/1993 | US5181386 Cryogenic cooling apparatus |
| 01/20/1993 | EP0523568A1 Continuous process for producing slush hydrogen |
| 01/12/1993 | US5177974 Storage and transportation of liquid co2 |
| 01/05/1993 | CA1312209C Remote recondenser with intermediate temperature heat sink |
| 12/30/1992 | EP0520937A1 Process and device for transporting and distributing helium |
| 12/24/1992 | DE4210738A1 Cold vaporisation appts. for low temp. liquefied gas esp. cooling medium - uses internally profiled tube allowing heat from returned gas phase to be used as vaporisation heat |
| 12/22/1992 | CA2045252A1 Refrigerant reclaim unit |
| 12/08/1992 | US5168710 Repeated freezing and melting of liquid hydrogen; uniform particle diameters |
| 12/07/1992 | CA2070620A1 Method of transport and distribution of helium by means of mobile bulk storage tanks |
| 11/29/1992 | WO1992022077A1 Method and apparatus for cooling oxide superconductor coil |
| 11/17/1992 | US5163297 Device for preventing evaporation of liquefied gas in a liquefied gas reservoir |
| 10/27/1992 | US5157926 Fluid expansion in high pressure turbine; re-expansion of portion in low pressure turbine; inlet temperature differential; liquefaction of oxygen and nitrogen |
| 10/13/1992 | US5154063 Multi-stage cold accumulation type refrigerator and cooling device including the same |
| 10/13/1992 | US5154062 Continuous process for producing slush hydrogen |
| 10/13/1992 | US5154051 Air liquefier and separator of air constituents for a liquid air engine |
| 10/07/1992 | CN1018578B Reliquefaction of boil-off from liquefied natural gas |
| 09/30/1992 | CN1064848A Slush hydrogen production apparatus |
| 09/09/1992 | CA2056933A1 Slush hydrogen production apparatus |
| 09/08/1992 | US5144810 Multi-stage cold accumulation type refrigerator and cooling device including the same |
| 09/08/1992 | US5144806 Freeze purification |
| 09/08/1992 | US5144805 Multi-stage cold accumulation type refrigerator and cooling device including the same |
| 09/01/1992 | US5142874 Cryogenic apparatus |
| 08/26/1992 | EP0500355A1 Unprocessed petroleum gas transport |
| 08/25/1992 | US5141543 Use of liquefied natural gas (LNG) coupled with a cold expander to produce liquid nitrogen |
| 08/22/1992 | CA2061563A1 Unprocessed petroleum gas transport |
| 08/18/1992 | US5139548 Heat exchanging between feed gas and a refrigerant using a gas turbine driven compressor |
| 08/18/1992 | US5139547 Production of liquid nitrogen using liquefied natural gas as sole refrigerant |
| 08/13/1992 | DE4131392A1 Evaporation preventing appts. for liquefied gas reservoir |
| 08/11/1992 | US5137558 Liquefied natural gas refrigeration transfer to a cryogenics air separation unit using high presure nitrogen stream |
| 08/06/1992 | DE4033142A1 Purificn. and/or sepn. of gas stream e.g. natural gas - by liquefying stream and evaporating off lower boiling portion |
| 07/21/1992 | CA2007473C Recycle liquefier process |
| 06/23/1992 | US5123250 Cryogenic apparatus |
| 06/17/1992 | EP0347455B1 Non-temperature cycling cryogenic cooler |
| 05/12/1992 | CA1300490C Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes |
| 04/29/1992 | CN2103114U Controlled centre cabinet of he liquefaction equipment |
| 04/29/1992 | CN1016459B Gas liquefaction method and apparatus |
| 04/23/1992 | DE4033145A1 Condensing ammonia, natural gas and fluoro-chloro-hydrocarbon(s) - in simple washing-condenser plant, including prepn. for storage and transportation |
| 04/15/1992 | CN1016267B Reliquefaction of boil-off from liquefied natural gas |
| 04/14/1992 | USRE33878 Cryogenic recondenser with remote cold box |
| 04/14/1992 | CA1298775C Hydrogen liquefaction using a dense fluid expander and neon as a pre-coolant refrigerant |
| 04/07/1992 | CA1298541C Gas liquefaction method and apparatus |
| 03/31/1992 | US5100635 Multistage, oxidation, reduction, cryogenic distillation, purification |
| 03/17/1992 | US5096673 Natural gas treating system including mercury trap |
| 03/12/1992 | DE4128362A1 High temp. superconductor-based hydrogen magnetic - carnot cycle to cool hydrogen@ vapour in hollow cylinder arrangement contg. different magnetic materials |
| 03/11/1992 | CN1059294A Carbon dioxide production from combustion exhaust gases with nitrogen and argon by-product recovery |
| 03/03/1992 | US5092130 Alloys of gadolinium, erbium, and/or rhodium |
| 02/05/1992 | EP0469781A2 Separation of carbon dioxide and nitrogen from combustion exhaust gas with nitrogen and argon by-product recovery |
| 01/14/1992 | US5079925 Cryogenic apparatus |
| 01/02/1992 | EP0463663A1 Process for the disposal of carbon dioxide |
| 01/02/1992 | DE4119419A1 Transmission system for liq. hydrogen - involves liquefying gas-form hydrogen in tank with pressure dropping below that in storage container |
| 12/25/1991 | CN1057329A Cryostat with liquefaction refrigerator |
| 12/21/1991 | CA2044847A1 Liquid hydrogen transfer process and system |