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Patents Grants
last 30 patents
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Patent Grant
Method and system for maintaining solvent quality in gas treating s...
Patent number
12,330,113
Issue date
Jun 17, 2025
Saudi Arabian Oil Company
Abdulaziz A. Aldayini
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Exhaust gas treatment system
Patent number
12,325,003
Issue date
Jun 10, 2025
Johnson Matthey Public Limited Company
Henry Arthur Claxton
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Acid gas scrubbing methods featuring amine phase separation for hyd...
Patent number
12,325,004
Issue date
Jun 10, 2025
ExxonMobil Technology and Engineering Company
Carla S. Pereira
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Enzymatic phase transfer solvent for CO2/H2S capture
Patent number
12,318,729
Issue date
Jun 3, 2025
Indian Oil Corporation Limited
Prakash Chandra Sahoo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for removing hydrogen sulfide from sour gases
Patent number
12,311,310
Issue date
May 27, 2025
King Fahd University of Petroleum & Minerals
Sagheer A. Onaizi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and system for producing a fuel from biogas
Patent number
12,312,547
Issue date
May 27, 2025
Iogen Corporation
Patrick J. Foody
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Systems and methods for managing filtration media beds in gas and l...
Patent number
12,312,548
Issue date
May 27, 2025
Pure Air Filtration, LLC
Kevin Jameson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems and methods for ammonia purification
Patent number
12,312,248
Issue date
May 27, 2025
BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC.
Charles Kimtantas
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for removing acid compounds from a gaseous effluent using a...
Patent number
12,305,136
Issue date
May 20, 2025
IFP Energies Nouvelles
Julien Grandjean
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrophilic and hydrophobic composite packing-based rotating packed...
Patent number
12,285,750
Issue date
Apr 29, 2025
Beijing University of Chemical Technology
Yong Luo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Robust and sustainable chemical treatment for sulfur contaminants i...
Patent number
12,285,714
Issue date
Apr 29, 2025
Saudi Arabian Oil Company
Harry Daniel Oduro
B82 - NANO-TECHNOLOGY
Information
Patent Grant
System and method for cleaning of biogas
Patent number
12,281,273
Issue date
Apr 22, 2025
Unconventional Gas Solutions, LLC
Benjamin Bikson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
System and method for producing renewable natural gas from biogas
Patent number
12,281,274
Issue date
Apr 22, 2025
Unconvential Gas Solutions, LLC
Benjamin Bikson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and material for removing hydrogen sulfide from subterranea...
Patent number
12,275,892
Issue date
Apr 15, 2025
King Fahd University of Petroleum & Minerals
Sagheer A. Onaizi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for removing hydrogen sulfide from sour gases with ZIF-8 mi...
Patent number
12,268,984
Issue date
Apr 8, 2025
King Fahd University of Petroleum & Minerals
Sagheer A. Onaizi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of removing hydrogen sulfide from a subterranean geological...
Patent number
12,270,266
Issue date
Apr 8, 2025
King Fahd University of Petroleum & Minerals
Sagheer A. Onaizi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Biomass pyrolysis systems and methods for metal removal from biofuel
Patent number
12,263,463
Issue date
Apr 1, 2025
ExxonMobil Technology and Engineering Company
Everett J. O'Neal
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Tail gas utilization for mixed alcohols production
Patent number
12,264,122
Issue date
Apr 1, 2025
Standard Alcohol Company of America, Inc.
Richard Denham Ridley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
System and method for cleaning of biogas
Patent number
12,264,288
Issue date
Apr 1, 2025
Unconventional Gas Solutions, LLC
Benjamin Bikson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter body, filter element, and filter assembly
Patent number
12,263,439
Issue date
Apr 1, 2025
MANN+HUMMEL GMBH
Stefan Diersch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrochemical system, apparatus and method to generate metal hydr...
Patent number
12,264,403
Issue date
Apr 1, 2025
Gregory Hudson Rau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Continuous desulfurization process based on metal oxide-based regen...
Patent number
12,258,527
Issue date
Mar 25, 2025
Raghubir Prasad Gupta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and system for producing a fuel from biogas
Patent number
12,241,036
Issue date
Mar 4, 2025
Iogen Corporation
Patrick J. Foody
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Methods and apparatus for recycling tail gas in syngas fermentation...
Patent number
12,239,939
Issue date
Mar 4, 2025
LanzaTech, Inc.
John D Winter
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Membranes for contaminant removal from natural gas and methods for...
Patent number
12,215,288
Issue date
Feb 4, 2025
Chevron U.S.A. Inc.
William Koros
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Zero-emissions refinery system and method for liquid waste stream r...
Patent number
12,209,040
Issue date
Jan 28, 2025
Stanley Michael Siegel
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for underground separation of components in sulfur-containin...
Patent number
12,203,346
Issue date
Jan 21, 2025
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Fuzhen Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and plant for producing hydrocarbons from a solid renewable...
Patent number
12,195,682
Issue date
Jan 14, 2025
Topsoe A/S
Mikala Grubb
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for removing hydrogen sulfide from subterranean geological...
Patent number
12,195,669
Issue date
Jan 14, 2025
King Fahd University of Petroleum & Minerals
Sagheer A. Onaizi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for removal of sulfides from carbon monoxide rich gas strea...
Patent number
12,195,341
Issue date
Jan 14, 2025
SABIC GLOBAL TECHNOLOGIES B.V.
Pankaj Singh Gautam
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Coupling Claus Process with Carbon Dioxide Capture Using Gas Hydrate
Publication number
20250236520
Publication date
Jul 24, 2025
Saudi Arabian Oil Company
Pramod Dhanaji Patil
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ACID GAS ADSORPTION DEVICE
Publication number
20250229213
Publication date
Jul 17, 2025
NGK Insulators, Ltd.
Junichi ANDO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MEMBRANES FOR THE SEPARATION OF H2S FROM H2S-CO2 MIXTURES
Publication number
20250222395
Publication date
Jul 10, 2025
Ohio State Innovation Foundation
W.S. Winston HO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SIMULTANEOUS H2 PRODUCTION AND CO2 CAPTURE FROM ACID GAS STREAM
Publication number
20250222396
Publication date
Jul 10, 2025
Saudi Arabian Oil Company
Mohammad Saad AlQahtani
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR STABILIZING NUTRIENTS IN A DISCHARGED ANAEROBIC DIGESTATE
Publication number
20250222400
Publication date
Jul 10, 2025
ThioSolv, LLC
Michael J. Ray
C01 - INORGANIC CHEMISTRY
Information
Patent Application
FILTER BODY, FILTER ELEMENT, AND FILTER ASSEMBLY
Publication number
20250196052
Publication date
Jun 19, 2025
Mann + Hummel GmbH
Stefan Diersch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
A method for purifying sulphate containing wastewater and recoverin...
Publication number
20250197263
Publication date
Jun 19, 2025
Fortum Waste Solutions Oy
Karin Willquist
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
PROCESS AND PLANT FOR PRODUCING HYDROCARBONS FROM A SOLID RENEWABLE...
Publication number
20250197745
Publication date
Jun 19, 2025
Topsoe A/S
Mikala GRUBB
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HYBRID ELECTRIC VEHICLE
Publication number
20250186944
Publication date
Jun 12, 2025
Toyota Jidosha Kabushiki Kaisha
Masahide IIDA
B60 - VEHICLES IN GENERAL
Information
Patent Application
METAL ORGANIC FRAMEWORK
Publication number
20250186971
Publication date
Jun 12, 2025
KYOTO UNIVERSITY
Susumu KITAGAWA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND DEVICE FOR CONDITIONING BIOGAS IN COMPACT FORM
Publication number
20250180284
Publication date
Jun 5, 2025
ENGIE
Gaspard BOUTEAU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
VERSATILE AND FLEXIBLE, ENVIRONMENTALLY FRIENDLY AND ECONOMICALLY V...
Publication number
20250178895
Publication date
Jun 5, 2025
B.G. NEGEV TECHNOLOGIES AND APPLICATIONS LTD., AT BEN-GURION UNIVERSITY
Mordechay HERSKOWITZ
C01 - INORGANIC CHEMISTRY
Information
Patent Application
HYDROGEN SULFIDE PURIFICATION METHOD AND LITHIUM SULFIDE PRODUCTION...
Publication number
20250178897
Publication date
Jun 5, 2025
AGC Inc.
Ryota ANDO
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHANE REMOVAL DEVICE
Publication number
20250177919
Publication date
Jun 5, 2025
Isuzu Motors Limited
Teppei OOHORI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEM, APPARATUS AND METHOD FOR MANAGING HEAT TRANSFER IN POST COM...
Publication number
20250161861
Publication date
May 22, 2025
Victor Juchymenko
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
AQUEOUS SOLUTIONS AND METHODS OF USING SAME FOR REMEDIATING CONTAMI...
Publication number
20250145902
Publication date
May 8, 2025
GAPS Technology,LLC
Cliffton L. ROE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Synthesis and application of citric acid based MOFs
Publication number
20250135432
Publication date
May 1, 2025
Decarbontek LLC
Yong Ding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ADSORBENT AND METHOD FOR PRODUCING ADSORBENT
Publication number
20250135433
Publication date
May 1, 2025
DAIKIN INDUSTRIES, LTD.
Takuya MATSUOKA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
System and Method for Removing Hydrogen Sulfide From Sour Natural Gas
Publication number
20250122437
Publication date
Apr 17, 2025
Pinedale Holdings LLC
James Huddleston
C01 - INORGANIC CHEMISTRY
Information
Patent Application
AMINE-FUNCTIONAL AEROGELS FOR ACID GAS REMOVAL
Publication number
20250121354
Publication date
Apr 17, 2025
ExxonMobil Technology and Engineering Company
David C. CALABRO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR CONTROLLING CO2 OVER H2S RATIO IN OIL AND GAS PROCESSIN...
Publication number
20250115817
Publication date
Apr 10, 2025
Saudi Arabian Oil Company
Milind M. Vaidya
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
System and Method of Treatment of Gas Contaminated with Hydrogen Su...
Publication number
20250108328
Publication date
Apr 3, 2025
Streamline Innovations Inc
Peter J. Photos
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ALKANOLAMINE-CONTAINING MEMBRANES AND METHODS OF MAKING AND USING T...
Publication number
20250108339
Publication date
Apr 3, 2025
Ohio State Innovation Foundation
W.S. Winston HO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Systems and Methods for Ammonia Purification
Publication number
20250109029
Publication date
Apr 3, 2025
Bechtel Energy Technologies & Solutions, Inc.
Charles Kimtantas
C01 - INORGANIC CHEMISTRY
Information
Patent Application
A METHOD OF FORMING A SYNGAS FOR PRODUCING LIQUID HYDROCARBONS
Publication number
20250100875
Publication date
Mar 27, 2025
JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED
Stuart William ALLAN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND METHODS FOR MANAGING FILTRATION MEDIA BEDS IN GAS AND L...
Publication number
20250092327
Publication date
Mar 20, 2025
Pure Air Filtration, LLC
Kevin Jameson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND SYSTEM FOR PRODUCING A FUEL FROM BIOGAS
Publication number
20250084334
Publication date
Mar 13, 2025
Iogen Corporation
Patrick J. Foody
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND METHOD FOR RETROFITTING BROWNFIELD PLANTS
Publication number
20250083116
Publication date
Mar 13, 2025
NiQuan Energy, LLC
Ainsley Gill
C01 - INORGANIC CHEMISTRY
Information
Patent Application
A SYSTEM AND METHOD FOR REMOVING ACIDIC GAS FROM A POST COMBUSTION...
Publication number
20250073632
Publication date
Mar 6, 2025
Petroliam Nasional Berhad (Petronas)
Siti Hajar Bt KHALIT
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hot Circulation Enhancement in Amine Units
Publication number
20250073633
Publication date
Mar 6, 2025
Saudi Arabian Oil Company
Yousef Nassir Alfnais
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL