Class F25J : LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT
Subclass 3/06: Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification by partial condensation (F25J 3/08 takes precedence; by rectification F25J 3/02)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258142 | System and method for reducing the concentration of fuel vapor in the ullage of a fuel tank | Apr 26, 22 | Mar 25, 25 | EATON INTELLIGENT POWER LIMITED |
| 12228337 | Fuel gas conditioning units for natural gas systems | Feb 08, 24 | Feb 18, 25 | EOG Resources Inc. |
| 12215923 | Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream | May 31, 23 | Feb 04, 25 | EnFlex, Inc. |
| 12187611 | Process and apparatus for the separation of a mixture of hydrogen and carbon monoxide at low temperature | May 04, 22 | Jan 07, 25 | L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude |
| 12180885 | Electrical power producing device | Oct 13, 23 | Dec 31, 24 | Hyundai Motor Company; KIA CORPORATION; |
| 12172896 | ATR-based hydrogen process and plant | Apr 22, 20 | Dec 24, 24 | Haldor Topsøe A/S |
| 12152835 | Liquid component separations | Apr 02, 19 | Nov 26, 24 | Sustainable Energy Solutions, Inc |
| 12135166 | Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream | May 31, 23 | Nov 05, 24 | EnFlex, Inc. |
| 12123418 | Compression and separation device and compression process | Jul 20, 20 | Oct 22, 24 | L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude |
| 12110460 | Method and apparatus for recovering C2—C4 components in methane-containing industrial gas | Sep 24, 20 | Oct 08, 24 | Beijing Research Institute of Chemical Industry China Petroleum & Chemical Corporation; Beijing Research Institute of Chemical Industry China Petroleum & Chemical Corporation; |
| 12111104 | Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream | Jul 16, 21 | Oct 08, 24 | EnFlex, Inc. |
| 12098882 | Heavy hydrocarbon and BTEX removal from pipeline gas to LNG liquefaction | Dec 13, 18 | Sep 24, 24 | Fluor Technologies Corporation |
| 12092395 | Operation analysis method for natural gas plant | Jul 10, 19 | Sep 17, 24 | JGC CORPORATION |
| 12072144 | Cryogenic purification of biogas with withdrawal at an intermediate stage and external solidification of carbon dioxide | Jun 09, 22 | Aug 27, 24 | L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude |
| 12038231 | Systems and related methods for separating nitrogen from a natural gas stream containing less than 25% nitrogen | Mar 01, 21 | Jul 16, 24 | AZOTA GAS PROCESSING, LTD. |
| 12025373 | System and method for treating associated gas | Aug 15, 21 | Jul 02, 24 | Not available |
| 11828224 | Electrical power producing device | Jan 31, 23 | Nov 28, 23 | Hyundai Motor Company; KIA CORPORATION; |
| 11815309 | Integration of hydrogen liquefaction with gas processing units | Nov 07, 18 | Nov 14, 23 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude |
| 11808517 | Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants | Dec 07, 20 | Nov 07, 23 | Cheniere Energy, Inc. |
| 11794127 | Methods and systems for separating compounds | Mar 30, 20 | Oct 24, 23 | Sustainable Energy Solutions, Inc |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0083,088 | METHODS OF BUTANE DELIVERY | Sep 08, 24 | Mar 13, 25 | Not available |
| 2025/0085,051 | PROCESS AND APPARATUS FOR SEPARATING CO2 FROM A FEED STREAM CONTAINING CO2, AT LEAST ONE LIGHTER COMPONENT AND AT LEAST ONE HEAVIER COMPONENT | Sep 11, 24 | Mar 13, 25 | Not available |
| 2025/0066,193 | ATR-BASED HYDROGEN PROCESS AND PLANT | Nov 14, 24 | Feb 27, 25 | Haldor Topsøe A/S |
| 2025/0044,022 | CO2 Separation Systems and Methods | Oct 25, 24 | Feb 06, 25 | CARBONQUEST, INC. |
| 2024/0393,044 | METHOD FOR FROSTING CARBON DIOXIDE CONTAINED IN LIQUID METHANE | Sep 27, 22 | Nov 28, 24 | Not available |
| 2024/0384,929 | SYSTEM AND METHOD FOR TREATING ASSOCIATED GAS | Jun 01, 24 | Nov 21, 24 | Not available |
| 2024/0271,866 | CRYO-COLLECTION SYSTEMS, RELATED METHODS AND HYPERPOLARIZERS WITH THE CRYO-COLLECTION SYSTEMS | Feb 06, 24 | Aug 15, 24 | Not available |
| 2024/0271,867 | CRYO-COLLECTION SYSTEMS AND RELATED METHODS AND HYPERPOLARIZER SYSTEMS | Feb 06, 24 | Aug 15, 24 | Not available |
| 2024/0255,221 | Latent Heat and Condensation Exchanger | Jan 26, 24 | Aug 01, 24 | Not available |
| 2024/0239,728 | Method and Plant for Producing Ethylene and/or Other Olefins by Steam Cracking | Feb 15, 22 | Jul 18, 24 | Not available |
| 2024/0226,803 | PROCESS AND APPARATUS FOR SEPARATING A MIXTURE OF HYDROGEN AND CARBON DIOXIDE | Oct 09, 23 | Jul 11, 24 | Not available |
| 2024/0208,813 | METHOD FOR SEPARATING HYDROGEN AND NITROGEN FROM CRACKED AMMONIA | Dec 22, 22 | Jun 27, 24 | Not available |
| 2024/0131,470 | PROCESS AND APPARATUS FOR SEPARATING A MIXTURE OF HYDROGEN AND CARBON DIOXIDE | Oct 08, 23 | Apr 25, 24 | Not available |
| 2024/0044,579 | PROCESS FOR REMOVING CO2 FROM A METHANE-CONTAINING GAS | Jan 27, 22 | Feb 08, 24 | HITACHI ZOSEN INOVA AG |
| 2024/0019,208 | METHOD AND APPARATUS FOR RECOVERING CARBON DIOXIDE FROM A COMBUSTION ENGINE EXHAUST | Dec 01, 21 | Jan 18, 24 | LGE IP MANAGEMENT COMPANY LIMITED |
| 2024/0011,707 | REMOVING HEAVY HYDROCARBONS TO PREVENT DEFROST SHUTDOWNS IN LNG PLANTS | Sep 21, 23 | Jan 11, 24 | Cheniere Energy, Inc. |
| 2023/0375,266 | PROCESS AND APPARATUS FOR THE COOLING OF A CO2-RICH FLOW | May 18, 23 | Nov 23, 23 | L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude |
| 2023/0375,265 | GAS PROCESSING METHODOLOGY UTILIZING REFLUX AND ADDITIONALLY SYNTHESIZED STREAM OPTIMIZATION | Oct 27, 22 | Nov 23, 23 | Not available |
| 2023/0366,620 | System and Method for Cooling Fluids Containing Hydrogen or Helium | May 15, 23 | Nov 16, 23 | Not available |
| 2023/0314,070 | CRYOGENIC REMOVAL OF CARBON DIOXIDE FROM THE ATMOSPHERE | May 31, 22 | Oct 05, 23 | Not available |
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