Class F25J : LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT
Subclass 3/02: Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream (F25J 3/08 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12252406 | Apparatuses and processes for the recovery of carbon dioxide streams | Oct 22, 21 | Mar 18, 25 | UOP LLC |
| 12247781 | Carrier gas stream processing system and method | Jun 16, 22 | Mar 11, 25 | Chart Energy & Chemicals, Inc. |
| 12247007 | Reflux arrangement for distillation columns | Aug 30, 22 | Mar 11, 25 | Saudi Arabian Oil Company |
| 12240758 | Systems and methods for production and separation of hydrogen and carbon dioxide | Jul 02, 24 | Mar 04, 25 | 8 RIVERS CAPITAL, LLC |
| 12240759 | Method and device for separating a gas mixture containing diborane and hydrogen | Feb 13, 20 | Mar 04, 25 | Messer SE & Co. KGaA |
| 12228025 | Liquid recovery system | Dec 04, 20 | Feb 18, 25 | Petroliam Nasional Berhad (Petronas) |
| 12228335 | Configurations and methods for NGL recovery for high nitrogen content feed gases | Jan 29, 19 | Feb 18, 25 | FLUOR TECHNOLOGIES CORPORATION |
| 12228336 | AI-enabled gas plant monitoring and optimization through computer vision | Mar 21, 22 | Feb 18, 25 | Saudi Arabian Oil Company |
| 12228337 | Fuel gas conditioning units for natural gas systems | Feb 08, 24 | Feb 18, 25 | EOG Resources Inc. |
| 12222158 | Methods and configuration for retrofitting NGL plant for high ethane recovery | Jul 07, 23 | Feb 11, 25 | Fluor Technologies Corporation |
| 12215922 | Integrated heavy hydrocarbon and BTEX removal in LNG liquefaction for lean gases | May 23, 19 | Feb 04, 25 | Fluor Technologies Corporation |
| 12215923 | Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream | May 31, 23 | Feb 04, 25 | EnFlex, Inc. |
| 12209801 | System and method for the processing of LNG | Jun 24, 20 | Jan 28, 25 | Petroliam Nasional Berhad (Petronas) |
| 12209803 | Pretreatment of natural gas prior to liquefaction | Aug 01, 22 | Jan 28, 25 | Lummus Technology Inc. |
| 12196485 | Method and apparatus for obtaining pressurized nitrogen by cryogenic separation of air | Feb 01, 19 | Jan 14, 25 | Linde Aktiengesellschaft |
| 12186699 | Cryogen chamber with adsorber | Jul 09, 24 | Jan 07, 25 | LUNAR HELIUM-3 MINING, LLC |
| 12186726 | Use of renewable energy in the production of chemicals | Jan 14, 20 | Jan 07, 25 | Sabic Global Technologies B.V. |
| 12179145 | Cryogenic separation of carbon dioxide, sulfur oxides, and nitrogen oxides from flue gas | Dec 22, 21 | Dec 31, 24 | The Texas A&M University System |
| 12181217 | Apparatus and method for separation of air by cryogenic distillation | Aug 03, 18 | Dec 31, 24 | L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude |
| 12145850 | Producing carbon dioxide with waste heat | May 12, 23 | Nov 19, 24 | X Development LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0101,329 | Methane Purification System and Method | Sep 25, 24 | Mar 27, 25 | Not available |
| 2025/0093,094 | WASTE HEAT RECOVERY IN CRUDE PROCESSING FOR INCREASING HYDROCARBON YIELD AND REDUCING EMISSIONS | Sep 18, 23 | Mar 20, 25 | Not available |
| 2025/0093,095 | WASTE ARGON SEPARATION SYSTEM AND METHOD CAPABLE OF REDUCING EMISSION OF CRYOGENIC WASTE ARGON | Jul 04, 24 | Mar 20, 25 | Not available |
| 2025/0075,974 | SYSTEM AND METHOD FOR USE OF A TRAIN FEED GAS LOADING AUTOMATION OPTIMIZER | Aug 30, 23 | Mar 06, 25 | Saudi Arabian Oil Company |
| 2025/0067,506 | TURBO-EXPANDER INTELLIGENT PERFORMANCE MONITORING SYSTEM | Aug 25, 23 | Feb 27, 25 | Saudi Arabian Oil Company |
| 2025/0066,207 | PRODUCING CARBON DIOXIDE WITH WASTE HEAT | Nov 15, 24 | Feb 27, 25 | X Development LLC |
| 2025/0060,157 | SYSTEM FOR PURIFYING HELIUM GAS, METHOD, AND APPLICATION | Dec 09, 22 | Feb 20, 25 | Changqing Engineering Design Co., Ltd.; China National Petroleum Corporation; |
| 2025/0033,017 | USE OF RENEWABLE ENERGY IN THE PRODUCTION OF CHEMICALS | Oct 15, 24 | Jan 30, 25 | Sabic Global Technologies B.V. |
| 2025/0035,376 | FACILITY FOR PRODUCING LIQUID CO2 AND BIOMETHANE WITH A MEANS FOR PREVENTING THE BUILD-UP OF HYDROGEN AND OXYGEN | Dec 06, 22 | Jan 30, 25 | Not available |
| 2025/0010,264 | USE OF RENEWABLE ENERGY IN OLEFIN SYNTHESIS | Sep 26, 24 | Jan 09, 25 | Sabic Global Technologies B.V. |
| 2025/0003,677 | Cryogenic Neon Purification System and Method | Jun 28, 24 | Jan 02, 25 | Not available |
| 2024/0401,877 | Nitrogen Rejection Unit System and Method for Low Nitrogen Concentration Feeds | May 30, 24 | Dec 05, 24 | Not available |
| 2024/0401,878 | ZERO FLARING DURING NGL RECOVERY PLANT DRYING OUT | May 31, 23 | Dec 05, 24 | Saudi Arabian Oil Company |
| 2024/0377,126 | Natural Gas Conditioning and NGL Recovery | May 08, 23 | Nov 14, 24 | Not available |
| 2024/0377,128 | INTEGRATED LIQUID RECOVERY PROCESS IN LNG PROCESSES | May 12, 23 | Nov 14, 24 | Not available |
| 2024/0367,970 | HYDROGEN PRODUCTION PROCESS WITH IMPROVED CO2 FRACTIONATION PROCESS | Jan 05, 24 | Nov 07, 24 | Not available |
| 2024/0359,154 | USE OF RENEWABLE ENERGY IN METHANOL SYNTHESIS | Jul 03, 24 | Oct 31, 24 | Sabic Global Technologies B.V. |
| 2024/0343,578 | HELIUM SEPARATION AND RECOVERY PROCESS | Mar 15, 24 | Oct 17, 24 | Arjae Design Solutions Ltd. |
| 2024/0337,441 | LEAN GAS LNG HEAVIES REMOVAL PROCESS USING NGL | Jun 17, 24 | Oct 10, 24 | Not available |
| 2024/0318,910 | SYSTEM AND METHOD FOR IMPROVING PROPANE RECOVERY AND ETHANE REJECTION IN A GSP/ EXPANDER SYSTEM | Mar 22, 23 | Sep 26, 24 | Not available |
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