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Processes or apparatus involving steps for the removal of impurities
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CPC
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
Installation and method for purifying and liquefying natural gas
Patent number
12,123,645
Issue date
Oct 22, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Jean-Marc Bernhardt
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Two-stage heavies removal in lng processing
Patent number
12,111,101
Issue date
Oct 8, 2024
ConocoPhillips Company
Jinghua Chan
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Methods of manufacturing apparatus and systems for liquefaction of...
Patent number
12,111,103
Issue date
Oct 8, 2024
STEELHEAD LNG (ASLNG) LTD.
Alex Brigden
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Containerised LNG liquefaction unit and associated method of produc...
Patent number
12,111,100
Issue date
Oct 8, 2024
WOODSIDE ENERGY TECHNOLOGIES PTY LTD.
Steven Cooper
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Mixed refrigerant system and method
Patent number
12,104,849
Issue date
Oct 1, 2024
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heavy hydrocarbon and BTEX removal from pipeline gas to LNG liquefa...
Patent number
12,098,882
Issue date
Sep 24, 2024
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dehydrogenation separation unit with mixed refrigerant cooling
Patent number
12,092,392
Issue date
Sep 17, 2024
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
12,061,046
Issue date
Aug 13, 2024
Messer Industries USA, Inc.
Joseph Naumovitz
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for production and separation of hydrogen and c...
Patent number
12,054,388
Issue date
Aug 6, 2024
8 Rivers Capital, LLC
Mohammad Rafati
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Managing make-up gas composition variation for a high pressure expa...
Patent number
12,050,056
Issue date
Jul 30, 2024
ExxonMobil Technology and Engineering Company
Yijun Liu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Lean gas LNG heavies removal process using NGL
Patent number
12,050,055
Issue date
Jul 30, 2024
ConocoPhillips Company
Michael J. Calderon
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Vessel and method for solid-liquid separation
Patent number
12,030,000
Issue date
Jul 9, 2024
Sustainable Energy Solutions, LLC
Larry Baxter
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Solvent injection and recovery in a LNG plant
Patent number
12,025,371
Issue date
Jul 2, 2024
ConocoPhillips Company
Michael J. Calderon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
System and method for treating associated gas
Patent number
12,025,373
Issue date
Jul 2, 2024
Mark Peterson
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for removing freezing components from a feed gas
Patent number
12,000,653
Issue date
Jun 4, 2024
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
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
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND C...
Publication number
20240351874
Publication date
Oct 24, 2024
8 RIVERS CAPITAL, LLC
Mohammad Rafati
C01 - INORGANIC CHEMISTRY
Information
Patent Application
HELIUM SEPARATION AND RECOVERY PROCESS
Publication number
20240343578
Publication date
Oct 17, 2024
Arjae Design Solutions Ltd.
Ernie MAURIER
C01 - INORGANIC CHEMISTRY
Information
Patent Application
LEAN GAS LNG HEAVIES REMOVAL PROCESS USING NGL
Publication number
20240337441
Publication date
Oct 10, 2024
ConocoPhillips Company
Michael J. Calderon
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHODS FOR OPERATING HYDROCARBON REMOVAL SYSTEMS FROM NATURAL GAS...
Publication number
20240318909
Publication date
Sep 26, 2024
ExxonMobil Technology and Engineering Company
Yijun LIU
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SOLVENT INJECTION AND RECOVERY IN A LNG PLANT
Publication number
20240310118
Publication date
Sep 19, 2024
ConocoPhillips Company
Michael J. Calderon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS AND PROCESS FOR ABSORPTION CHILLER UTILIZATION FOR ENVIRO...
Publication number
20240279825
Publication date
Aug 22, 2024
Air Products and Chemicals, Inc.
GOWRI KRISHNAMURTHY
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SYSTEMS FOR LIQUEFACTION OF NATURAL GAS
Publication number
20240271864
Publication date
Aug 15, 2024
STEELHEAD LNG (ASLNG) LTD.
Alex BRIGDEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR SEPARATION OF HELIUM-3 FROM HELIUM-4 BY ME...
Publication number
20240261731
Publication date
Aug 8, 2024
Linde Kryotechnik AG
Alexander ALEKSEEV
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS OF MANUFACTURING APPARATUS AND SYSTEMS FOR LIQUEFACTION OF...
Publication number
20240263870
Publication date
Aug 8, 2024
STEELHEAD LNG (ASLNG) LTD.
Alex BRIGDEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR LIQUEFYING A GAS RICH IN CARBON DIOXIDE
Publication number
20240255218
Publication date
Aug 1, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Guillaume RODRIGUES
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR SEPARATING A MIXTURE OF HYDROGEN AND CARB...
Publication number
20240240856
Publication date
Jul 18, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Felix PERE
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR DENSIFICATION OF LIQUID OXYGEN
Publication number
20240230218
Publication date
Jul 11, 2024
Sean M. Kelly
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
APPARATUS AND SYSTEMS FOR LIQUEFACTION OF NATURAL GAS
Publication number
20240219112
Publication date
Jul 4, 2024
STEELHEAD LNG (ASLNG) LTD.
Alex BRIGDEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR SEPARATING A FLOW RICH IN CARBON DIOXIDE B...
Publication number
20240210106
Publication date
Jun 27, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Michael TRAN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
APPARATUS AND SYSTEMS FOR LIQUEFACTION OF NATURAL GAS
Publication number
20240191940
Publication date
Jun 13, 2024
STEELHEAD LNG (ASLNG) LTD.
Alex BRIGDEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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...