ClassID:

160394

F25J2210/66 - CPC Classification

Classification description:

Processes characterised by the type or other details of the feed stream Landfill or fermentation off-gas, e.g. "Bio-gas"

Recent Application in this class:
#1
20260021444
2026-01-22

SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING

#2
20250345743
2025-11-13

SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING

#3
20250230976
2025-07-17

SYSTEM AND METHOD FOR ONLINE GAS ANALYTICAL PRESSURE-SWING ADSORPTION (PSA) CONTROL FOR LANDFILL OR BIOGAS SEPARATION

#4
20250177910
2025-06-05

SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSING

#5
20250035376
2025-01-30

FACILITY FOR PRODUCING LIQUID CO2 AND BIOMETHANE WITH A MEANS FOR PREVENTING THE BUILD-UP OF HYDROGEN AND OXYGEN

#6
20240183609
2024-06-06

System and method for control of feed compressors in an RNG recovery facility for biogas or landfill gas

#7
20240085103
2024-03-14

System and method for online gas analytical pressure-swing adsorption (PSA) control for landfill or biogas separation

#8
20240085102
2024-03-14

SYSTEM AND METHOD FOR CONTROL OF FEED COMPRESSORS IN AN RNG RECOVERY FACILITY FOR BIOGAS OR LANDFILL GAS

#9
20240019205
2024-01-18

FACILITY FOR PRODUCING GASEOUS METHANE BY PURIFYING BIOGAS FROM LANDFILL, COMBINING MEMBRANES AND CRYOGENIC DISTILLATION FOR LANDFILL BIOGAS UPGRADING

#10
20230384027
2023-11-30

PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHANE AND AIR GASES, FACILITY FOR PRODUCING BIOMETHANE BY PURIFICATION OF BIOGASES DERIVED FROM NON-HAZARDOUS WASTE STORAGE FACILITIES (NHWSF) IMPLEMENTING THE PROCESS

#11
20230338889
2023-10-26

FACILITY AND METHOD FOR PRODUCING BIOMETHANE WITH LIMITED METHANE LOSS AND LIMITED CO2 EMISSIONS

#12
20230133024
2023-05-04

METHOD FOR STORING A BIOGAS IN A TANK AND ASSOCIATED SYSTEM

#13
20230113326
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#14
20230048087
2023-02-16

METHANE SEPARATION SYSTEM AND METHOD

#15
20220412649
2022-12-29

METHOD FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CARBON DIOXIDE WITH REMOVAL OF THE AIR IMPURITIES PRESENT IN THE METHANE

#16
20220397343
2022-12-15

FACILITY FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CO2 COMPRISING A VAPO/CONDENSER PLACED IN AN INTERMEDIATE STAGE OF THE DISTILLATION COLUMN

#17
20220397341
2022-12-15

Process for the separation and liquefaction of methane and carbon dioxide with pre-separation upstream of the distillation column

#18
20220397340
2022-12-15

Process for the separation and liquefaction of methane and carbon dioxide with solidification of carbon dioxide outside the distillation column

#19
20220397339
2022-12-15

PROCESS FOR SEPARATING AND LIQUEFYING METHANE AND CO2 COMPRISING THE WITHDRAWAL OF VAPOUR FROM AN INTERMEDIATE STAGE OF THE DISTILLATION COLUMN

#20
20220333854
2022-10-20

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTINCT REFRIGERATION CYCLES WITH AN INTEGRAL GEAR MACHINE

#21
20220333853
2022-10-20

System and method to produce liquefied natural gas using a three pinion integral gear machine

#22
20210172677
2021-06-10

CRYOGENIC PROCESS FOR REMOVING NITROGEN FROM A DISCHARGE GAS

#23
20210055046
2021-02-25

Facility For Producing Gaseous Methane By Purifying Biogas From Landfill, Combining Membranes And Cryogenic Distillation For Landfill Biogas Upgrading

#24
20200318896
2020-10-08

Process for cryogenic separation of a feed stream containing methane and air gases, facility for producing biomethane by purification of biogases derived from non-hazardous waste storage facilities (NHWSF) implementing the process

#25
20200096254
2020-03-26

Process for producing biomethane from a biogas stream, comprising solidification of the impurities

#26
20190128602
2019-05-02

SYSTEM AND METHOD FOR PROCESSING A HYDROCARBON-COMPRISING FLUID

#27
20190001263
2019-01-03

Method for producing biomethane by purifying biogas from non-hazardous waste storage facilities and facility for implementing the method

#28
20180266759
2018-09-20

System and method for processing a hydrocarbon-comprising fluid

#29
20170341942
2017-11-30

Methods and systems for large scale carbon dioxide utilization from Lake Kivu via a COindustrial utilization hub integrated with electric power production and optional cryo-energy storage

#30
20170102182
2017-04-13

Method and arrangement for producing liquefied methane gas (LMG) from various gas sources

#31
20170074583
2017-03-16

Method and system to control the methane mass flow rate for the production of liquefied methane gas (LMG)

#32
20150276308
2015-10-01

Process for the removal of COfrom acid gas

#33
20130312457
2013-11-28

Process and device for the cryogenic separation of a methane-rich stream

#34
20120186296
2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#35
20120085232
2012-04-12

METHODS FOR REMOVING CONTAMINANTS FROM NATURAL GAS

#36
20120067079
2012-03-22

NITROGEN REJECTION AND LIQUIFIER SYSTEM FOR LIQUIFIED NATURAL GAS PRODUCTION

#37
20110094262
2011-04-28

Complete liquefaction methods and apparatus

#38
20100192627
2010-08-05

Method and device for the cryogenic separation of a methane-rich flow

#39
20100077796
2010-04-01

Hybrid Membrane/Distillation Method and System for Removing Nitrogen from Methane

#40
20100058802
2010-03-11

Method for liquefaction of gas

#41
20090178693
2009-07-16

Extraction process utilzing liquified carbon dioxide

#42
20080282612
2008-11-20

Process and apparatus for the purification of methane rich gas streams

#43
20060248921
2006-11-09

Landfill gas purification and liquefaction process

#44
20060005572
2006-01-12

System for use of land fills and recyclable materials

#45
20050000244
2005-01-06

System for use of land fills and recyclable materials

#46
16506362
2019-11-19

Continuous high capacity system for biomatter conversion