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Processes or apparatus involving steps for the removal of impurities
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F25J2220/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F25
Refrigeration
F25J
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
Current Industry
F25J2220/00
Processes or apparatus involving steps for the removal of impurities
Sub Industries
F25J2220/02
Separating impurities in general from the feed stream
F25J2220/04
Separating impurities in general from the product stream
F25J2220/40
Separating high boiling, i.e. less volatile components from air
F25J2220/42
Separating low boiling i.e. more volatile components from nitrogen
F25J2220/44
Separating high boiling, i.e. less volatile components from nitrogen
F25J2220/50
Separating low boiling, i.e. more volatile components from oxygen
F25J2220/52
Separating high boiling, i.e. less volatile components from oxygen
F25J2220/60
Separating impurities from natural gas
F25J2220/62
Separating low boiling components
F25J2220/64
Separating heavy hydrocarbons
F25J2220/66
Separating acid gases
F25J2220/68
Separating water or hydrates
F25J2220/80
Separating impurities from carbon dioxide
F25J2220/82
Separating low boiling, i.e. more volatile components
F25J2220/84
Separating high boiling, i.e. less volatile components
F25J2220/90
Separating isotopes of a component
Industries
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Patents Grants
last 30 patents
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Patent Grant
Oilfield natural gas processing and product utilization
Patent number
11,959,027
Issue date
Apr 16, 2024
Chrisma Energy Solutions, LP
Thomas Richard Mechler
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Liquefaction apparatus, methods, and systems
Patent number
11,959,700
Issue date
Apr 16, 2024
STEELHEAD LNG (ASLNG) LTD.
Alex Brigden
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method to recover and process methane and condensates from flare ga...
Patent number
11,946,355
Issue date
Apr 2, 2024
1304338 Alberta Ltd.
Jose Lourenco
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method of recovering carbon dioxide from an exhaust gas...
Patent number
11,925,894
Issue date
Mar 12, 2024
Air Products and Chemicals, Inc.
Douglas Carl Hofer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Liquefaction of production gas
Patent number
11,927,391
Issue date
Mar 12, 2024
ExxonMobil Technology and Engineering Company
Robert D. Kaminsky
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Natural gas liquefaction by a high pressure expansion process
Patent number
11,892,233
Issue date
Feb 6, 2024
ExxonMobil Technology and Engineering Company
Fritz Pierre
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Carbon dioxide and hydrogen sulfide recovery system using a combina...
Patent number
11,883,778
Issue date
Jan 30, 2024
Cameron International Corporation
Ankur D. Jariwala
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Refrigerant supply to a cooling facility
Patent number
11,874,055
Issue date
Jan 16, 2024
ConocoPhillips Company
Paul R. Davies
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for separating air by cryogenic distillation
Patent number
11,852,408
Issue date
Dec 26, 2023
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Jean-Pierre Tranier
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pretreatment and pre-cooling of natural gas by high pressure compre...
Patent number
11,815,308
Issue date
Nov 14, 2023
ExxonMobil Technology and Engineering Company
Yijun Liu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pretreatment and pre-cooling of natural gas by high pressure compre...
Patent number
11,806,639
Issue date
Nov 7, 2023
ExxonMobil Technology and Engineering Company
Yijun Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Advanced method of heavy hydrocarbon removal and natural gas liquef...
Patent number
11,808,518
Issue date
Nov 7, 2023
Enflex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants
Patent number
11,808,517
Issue date
Nov 7, 2023
Cheniere Energy, Inc.
Hamish David William Horne
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Arctic cascade method for natural gas liquefaction in a high-pressu...
Patent number
11,774,173
Issue date
Oct 3, 2023
Publichnoe Aktsionernoe Obshchestvo “NOVATEK”
Rafail Minigulovich Minigulov
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Oilfield natural gas processing and product utilization
Patent number
11,760,940
Issue date
Sep 19, 2023
Chrisma Energy Solutions, LP
Thomas Richard Mechler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and system for efficient nonsynchronous LNG production using...
Patent number
11,747,081
Issue date
Sep 5, 2023
ExxonMobil Technology and Engineering Company
Ashley R. Guy
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Process for cryogenic separation of a feed stream containing methan...
Patent number
11,713,920
Issue date
Aug 1, 2023
WAGA ENERGY
Guénaël Prince
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method of de-bottlenecking LNG trains
Patent number
11,703,276
Issue date
Jul 18, 2023
ExxonMobil Technology and Engineering Company
Sorin T. Lupascu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method to recover LPG and condensates from refineries fuel gas streams
Patent number
11,692,772
Issue date
Jul 4, 2023
1304338 Alberta Ltd.
Jose Lourenco
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heavy hydrocarbon removal system for lean natural gas liquefaction
Patent number
11,668,522
Issue date
Jun 6, 2023
Air Products and Chemicals, Inc.
Fei Chen
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Methods for removal of moisture from LNG refrigerant
Patent number
11,668,524
Issue date
Jun 6, 2023
ExxonMobil Upstream Research Company
Daryl A. Kenefake
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Solvent injection and recovery in a LNG plant
Patent number
11,662,141
Issue date
May 30, 2023
ConocoPhillips Company
Michael J. Calderon
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Adsorptive xenon recovery process from a gas or liquid stream at cr...
Patent number
11,650,010
Issue date
May 16, 2023
Praxair Technology, Inc.
Hai Du
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,644,235
Issue date
May 9, 2023
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Systems and methods for using multiple cryogenic hydraulic turbines
Patent number
11,644,234
Issue date
May 9, 2023
ExxonMobil Technology and Enginering Company
Christopher G. Holt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Oilfield natural gas processing and product utilization
Patent number
11,634,646
Issue date
Apr 25, 2023
Chrisma Energy Solutions, LP
Thomas Richard Mechler
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Gas separation system with auto-refrigeration and selective recycle...
Patent number
11,635,253
Issue date
Apr 25, 2023
Her Majesty the Queen in right of Canada as represented by the Minister of Na...
Kourosh Zanganeh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dehydrogenation separation unit with mixed refrigerant cooling
Patent number
11,629,912
Issue date
Apr 18, 2023
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Impurity control for a high pressure CO2 purification and supply sy...
Patent number
11,624,556
Issue date
Apr 11, 2023
Messer Industries USA, Inc.
Joseph Naumovitz
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Standalone high-pressure heavies removal unit for LNG processing
Patent number
11,604,025
Issue date
Mar 14, 2023
ConocoPhillips Company
Jinghua Chan
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
REFRIGERANT SUPPLY TO A COOLING FACILITY
Publication number
20240093936
Publication date
Mar 21, 2024
ConocoPhillips Company
Paul R. DAVIES
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
An Advanced Method of Heavy Hydrocarbon Removal and Natural Gas Liq...
Publication number
20240068745
Publication date
Feb 29, 2024
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM FOR STORING AND PRODUCING ENERGY TO STABILIZE THE POWER NETWORK
Publication number
20240060717
Publication date
Feb 22, 2024
SAIPEM S.P.A.
Matteo BERRA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
COMBINED CYCLE NATURAL GAS PROCESSING SYSTEM
Publication number
20240053095
Publication date
Feb 15, 2024
JGC Corporation
Yuzuru KAKUTANI
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION UNIT AND AIR SEPARATION METHOD
Publication number
20240053097
Publication date
Feb 15, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Kenji HIROSE
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD OF REDUCING MERCURY IN STABILIZED CONDENSATE
Publication number
20240027129
Publication date
Jan 25, 2024
Chevron U.S.A. Inc.
Christine Marie LONG
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FACILITY FOR PRODUCING GASEOUS METHANE BY PURIFYING BIOGAS FROM LAN...
Publication number
20240019205
Publication date
Jan 18, 2024
WAGA ENERGY
Guénaël Prince
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR RECOVERING CARBON DIOXIDE FROM A COMBUSTIO...
Publication number
20240019208
Publication date
Jan 18, 2024
LGE IP MANAGEMENT COMPANY LIMITED
Nikola Felbab
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
REMOVING HEAVY HYDROCARBONS TO PREVENT DEFROST SHUTDOWNS IN LNG PLANTS
Publication number
20240011707
Publication date
Jan 11, 2024
Cheniere Energy, Inc.
Hamish David William Horne
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
A SYSTEM FOR PRODUCING LIQUEFIED NATURAL GAS AND METHOD
Publication number
20240003619
Publication date
Jan 4, 2024
Nuovo Pignone Tecnologie S.r.l.
Simone AMIDEI
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN...
Publication number
20230417482
Publication date
Dec 28, 2023
SAIPEM S.P.A.
Matteo BERRA
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
INTEGRATED GAS COMPRESSION AND REFRIGERATION WITH INTERNAL COOLING...
Publication number
20230408190
Publication date
Dec 21, 2023
Saudi Arabian Oil Company
Mohamed A. Soliman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR EXTRACTING ETHANE FROM AN INITIAL NATURAL GAS STREAM AND...
Publication number
20230408191
Publication date
Dec 21, 2023
TECHNIP ENERGIES FRANCE
Sylvain Vovard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN W...
Publication number
20230408192
Publication date
Dec 21, 2023
SAIPEM S.P.A.
Matteo BERRA
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
METHOD FOR PRODUCING LIQUEFIED NATURAL GAS FROM NATURAL GAS, AND CO...
Publication number
20230408187
Publication date
Dec 21, 2023
TECHNIP FRANCE
Sylvain Vovard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
INTEGRATED PROCESS FOR PURIFYING AND LIQUEFYING NATURAL GAS
Publication number
20230400251
Publication date
Dec 14, 2023
SAIPEM S.P.A.
Fabrizio MELONI
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
COMPACT SYSTEM AND METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS
Publication number
20230392860
Publication date
Dec 7, 2023
Shell Oil Company
Carolus Antonius Cornelis VAN DE LISDONK
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHAN...
Publication number
20230384027
Publication date
Nov 30, 2023
WAGA ENERGY
Guénaël Prince
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CLOSED LOOP LNG PROCESS FOR A FEED GAS WITH NITROGEN
Publication number
20230375261
Publication date
Nov 23, 2023
ConocoPhillips Company
Ying Zhang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
GAS PROCESSING METHODOLOGY UTILIZING REFLUX AND ADDITIONALLY SYNTHE...
Publication number
20230375265
Publication date
Nov 23, 2023
KELLY MACKENZIE
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
System and Method for Cooling Fluids Containing Hydrogen or Helium
Publication number
20230366620
Publication date
Nov 16, 2023
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR CRYOGENIC SEPARATION OF AIR WITH MIXED GA...
Publication number
20230358468
Publication date
Nov 9, 2023
Linde GmbH
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR PRODUCING LOW-NITROGEN SYNTHESIS GAS FROM...
Publication number
20230331550
Publication date
Oct 19, 2023
Linde GmbH
Josef SCHWARZHUBER
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHODS AND SYSTEMS FOR CRYOGENICALLY SEPARATING CARBON DIOXIDE AND...
Publication number
20230322549
Publication date
Oct 12, 2023
Decarbtek Global Corp.
Henry Gil
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING HIGH PURITY HYDROGEN
Publication number
20230304733
Publication date
Sep 28, 2023
Air Products and Chemicals, Inc.
Shubhra Jyoti Bhadra
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
DEVICES, SYSTEMS, FACILITIES AND PROCESSES FOR CO2 CAPTURE AT LIQUI...
Publication number
20230288138
Publication date
Sep 14, 2023
NEXT CARBON SOLUTIONS, LLC
Ivan Van Der Walt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Oilfield Natural Gas Processing and Product Utilization
Publication number
20230250345
Publication date
Aug 10, 2023
Chrisma Energy Solutions, LP
Thomas Richard Mechler
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
SOLVENT INJECTION AND RECOVERY IN A LNG PLANT
Publication number
20230251032
Publication date
Aug 10, 2023
ConocoPhillips Company
Michael J. Calderon
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR PRODUCING HIGH PURITY HYDROGEN
Publication number
20230249119
Publication date
Aug 10, 2023
Air Products and Chemicals, Inc.
William J. Casteel
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Oilfield Natural Gas Processing and Product Utilization
Publication number
20230242823
Publication date
Aug 3, 2023
Chrisma Energy Solutions, LP
Thomas Richard Mechler
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...