ClassID:

153965

F17C1/007 - CPC Classification

Classification description:

Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge Underground or underwater storage

Recent Application in this class:
#1
20260139795
2026-05-21

DEEP UNDERGROUND HYDROGEN STORAGE STRUCTURE AND ITS CONSTRUCTION METHOD

#2
20260029089
2026-01-29

A SYSTEM FOR CO2 STORAGE

#3
20260009501
2026-01-08

GAS STORAGE USING LIQUID FOR GAS DISPLACEMENT

#4
20250377074
2025-12-11

COMPRESSED GAS STORAGE TANK, SYSTEM AND METHOD

#5
20250347387
2025-11-13

SYSTEM OF EXPANDING THE STORAGE CAPABILITY FOR GEOMECHANICAL ENERGY STORAGE

#6
20250341281
2025-11-06

SYSTEM AND METHOD FOR COMPRESSING AND STORING GAS

#7
20250341280
2025-11-06

STORAGE AND REUSE OF HYDROGEN AND OXYGEN PRODUCED BY GREEN ENERGY IN GROUNDWATER

#8
20250327548
2025-10-23

UNDERGROUND STORAGE SYSTEM FOR FLUID STORAGE

#9
20250320963
2025-10-16

COMPRESSED HYDROGEN AND AIR POWER SYSTEM

#10
20250320065
2025-10-16

HYDROGEN STORAGE AND WITHDRAWAL IN A 3-PHASE (METHANE+CARBON DIOXIDE+NITROGEN, BRINE AND N-OCTANE) GAS RESERVOIR

#11
20250283023
2025-09-11

LAGOON COVER

#12
20250282551
2025-09-11

SYSTEM AND METHOD TO STORE FLUID UNDERGROUND

#13
20250198567
2025-06-19

METHODS AND SYSTEMS FOR UNDERGROUND GAS STORAGE

#14
20250129886
2025-04-24

SEALED UNDERGROUND ENERGY STORAGE CHAMBER AND SEALED UNDERGROUND ENERGY STORAGE CHAMBER SYSTEM COMPRISING THE SAME

#15
20250092630
2025-03-20

FOOT FRAME BOTTOM PLATE TYPE FIXED PARTS, SEALED INNER LINING STRUCTURE, UNDERGROUND CHAMBER AND CONSTRUCTION METHOD

#16
20250035262
2025-01-30

Hydrostatically Compensated Compressed Gas Energy Storage System

#17
20250033886
2025-01-30

HYDROGEN GAS SUBSURFACE STORAGE (HSS)

#18
20250020284
2025-01-16

SUBSEA HYDROGEN STORAGE SYSTEM

#19
20240410526
2024-12-12

CARBON DIOXIDE OCEAN LIQUID BALLOON STORAGE METHOD

#20
20240377029
2024-11-14

POD HANGER FOR SUBSURFACE GAS STORAGE

#21
20240377028
2024-11-14

HYDROGEN ENRICHED GAS STORAGE

#22
20240328579
2024-10-03

NATURAL GAS STORAGE BATTERY AND METHODS

#23
20240318781
2024-09-26

SUBSURFACE GAS STORAGE SYSTEM

#24
20240318780
2024-09-26

SUBSEA STORAGE OF A WATER MISCIBLE STORAGE FLUID

#25
20240230029
2024-07-11

COMBINED HIGH PRESSURE RECEPTACLES

#26
20240218981
2024-07-04

Submerged gas conveyance of constant pressure and buoyancy

#27
20240218885
2024-07-04

Inhibiting the Champagne Effect in Hydrostatically Compensated CAES Systems

#28
20240142055
2024-05-02

Submersible System for Storing Tanks and Method of Storing Tanks on a Seabed

#29
20240133518
2024-04-25

COMBINED HIGH PRESSURE RECEPTACLES

#30
20240093833
2024-03-21

SYSTEM FOR UNDERWATER COMPRESSED GAS STORAGE

#31
20240060602
2024-02-22

SYSTEMS AND METHODS FOR HEAT MANAGEMENT FOR CASED WELLBORE COMPRESSED AIR STORAGE

#32
20240052725
2024-02-15

CHEMICAL STICK RECEIVING PRESSURE VESSEL

#33
20240035621
2024-02-01

Thermal storage in pressurized fluid for compressed air energy storage systems

#34
20240035620
2024-02-01

CONCRETE ENHANCED ENERGY STORAGE APPARATUS

#35
20240034972
2024-02-01

Lagoon cover

#36
20230392749
2023-12-07

Hydrostatically Compensated Compressed Gas Energy Storage System

#37
20230332843
2023-10-19

Compressed gas energy storage system

#38
20230296205
2023-09-21

METHOD OF ENHANCING METHANE STORAGE CAPACITY IN SALT CAVERNS

#39
20230296003
2023-09-21

METHOD OF ENHANCING CARBON DIOXIDE STORAGE CAPACITY IN SALT CAVERNS

#40
20230294920
2023-09-21

METHOD TO ENHANCE SUBSURFACE GAS STORAGE IN SALT CAVERNS

#41
20230288025
2023-09-14

Method and Process for Storing Liquid and Gaseous Fluids Under Pressure in a Vertical Subsurface Vessel

#42
20230257202
2023-08-17

HYDROGEN GAS SUBSURFACE STORAGE (HSS)

#43
20230220953
2023-07-13

Thermal storage in pressurized fluid for compressed air energy storage systems

#44
20230216340
2023-07-06

Hydraulic compressed air energy storage system

#45
20230194049
2023-06-22

Pressure Tunnel

#46
20230184379
2023-06-15

Integral side slope structure of soil covering tank

#47
20230182996
2023-06-15

Storage Tank, Transport System Therewith and Method for Operating It

#48
20230138185
2023-05-04

UNDERWATER COMPRESSED AIR STORAGE DEVICE OBTAINED BY A HYDRAULIC PUMP

#49
20230047779
2023-02-16

Hydrostatically compensated compressed gas energy storage system

#50
20220196341
2022-06-23

Three section configuration for compressed air energy storage systems

#51
20220099253
2022-03-31

GAS STORAGE SYSTEM

#52
20220090585
2022-03-24

Compressed gas energy storage system

#53
20220074547
2022-03-10

Thermal storage in pressurized fluid for compressed air energy storage systems

#54
20220034448
2022-02-03

Underground hydrogen storage vessel

#55
20210396353
2021-12-23

SYSTEM FOR MANAGING PRESSURE IN UNDERGROUND CRYOGENIC LIQUID STORAGE TANK AND METHOD FOR THE SAME

#56
20210388810
2021-12-16

Hydrostatically compensated caes system having an elevated compensation liquid reservoir

#57
20210207771
2021-07-08

HYDROSTATICALLY COMPENSATED COMPRESSED GAS ENERGY STORAGE SYSTEM

#58
20210207586
2021-07-08

Construction elements and maintenance methods for compressed air energy storage systems

#59
20210206574
2021-07-08

System for storing compressed fluid

#60
20210024290
2021-01-28

System and method for compressed air energy storage

#61
20210018143
2021-01-21

Hydrostatically compensated compressed gas energy storage system

#62
20200263830
2020-08-20

Thermal storage in pressurized fluid for compressed air energy storage systems

#63
20200132250
2020-04-30

Subterranean gas storage assembly

#64
20200071078
2020-03-05

System for storing compressed gas and method for construction thereof

#65
20200001957
2020-01-02

System and method for transporting methane

#66
20190353302
2019-11-21

Hydrostatically compensated compressed gas energy storage system

#67
20190346082
2019-11-14

Hydrostatically compensated compressed gas energy storage system

#68
20190276229
2019-09-12

Underwater energy storage system and power station powered therewith

#69
20190113245
2019-04-18

Closed-loop air-to-water air conditioning system

#70
20180371908
2018-12-27

Paired air pressure energy power system and power method thereof

#71
20180355721
2018-12-13

Paired air pressure energy storage device, inspection method and balance detection mechanism thereof

#72
20180335179
2018-11-22

Pressure vessel for storing gas

#73
20180229178
2018-08-16

Sequestration of COusing clathrates

#74
20180099732
2018-04-12

System and method for transporting methane

#75
20170314362
2017-11-02

Subterranean sealed tank with varying width

#76
20170219168
2017-08-03

HYDROGEN SUPPLY METHOD AND SYSTEM

#77
20170130902
2017-05-11

Hydrogen supply method and system

#78
20170021903
2017-01-26

Natural gas transport vessel

#79
20160347007
2016-12-01

Monolithically poured concrete CNG tank with internal support columns

#80
20160319991
2016-11-03

SYSTEMS AND METHODS FOR UNDERWATER STORAGE OF CARBON DIOXIDE

#81
20160281925
2016-09-29

Big mass battery including manufactured pressure vessel for energy storage

#82
20160122128
2016-05-05

Hydrogen storage method and system

#83
20160053940
2016-02-25

Sub-sea gas recovery system

#84
20160046443
2016-02-18

System for operating a hydrogen storage salt cavern

#85
20160046442
2016-02-18

Methods for storing hydrogen in a salt cavern

#86
20150321848
2015-11-12

Hydrogen cavern pad gas management

#87
20150321847
2015-11-12

Method and apparatus for providing over-pressure protection for an underground storage cavern

#88
20150246770
2015-09-03

LARGE SCALE SUBSEA STORAGE TANK AND METHOD FOR CONSTRUCTING AND INSTALLING THE SAME

#89
20150214815
2015-07-30

Energy-accumulation apparatus

#90
20150198285
2015-07-16

Underwater energy storage using compressed fluid

#91
20150176764
2015-06-25

TANK

#92
20150167892
2015-06-18

SYSTEM FOR STORING ENERGY IN THE FORM OF COMPRESSED AIR IN A SET OF SURFACE TUBES

#93
20150060010
2015-03-05

Multi-phase passive thermal transfer for subsea apparatus

#94
20150014186
2015-01-15

Hydrogen storage container

#95
20140263362
2014-09-18

Compressed gas storage and collection apparatus

#96
20140261132
2014-09-18

Active volume energy level large scale sub-sea energy fluids storage methods and apparatus for power generation and integration of renewable energy sources

#97
20140241802
2014-08-28

Hydrogen storage method and system

#98
20140161533
2014-06-12

Methods for storing hydrogen in a salt cavern with a permeation barrier

#99
20140079594
2014-03-20

Systems and methods for underwater storage of carbon dioxide

#100
20140013735
2014-01-16

FLUID STORAGE IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS

#101
20130213479
2013-08-22

Hydrogen supply method and system

#102
20130134612
2013-05-30

SYSTEM AND METHOD FOR FRAGMENTATION AND DISPERSAL OF A COMPRESSED GAS BODY

#103
20120305411
2012-12-06

Underwater energy storage system and power station powered therewith

#104
20120104008
2012-05-03

Liquefied Gas Evacuation Assembly System for Underground Storage Tanks

#105
20110305515
2011-12-15

Hydrogen storage method and system

#106
20110274492
2011-11-10

DRILLED UNDERGROUND GASEOUS STORAGE SYSTEM

#107
20110253558
2011-10-20

System and method for modularly deployable and scalable compressed air energy accumulator

#108
20090260925
2009-10-22

Underground enclosure system for storing components, cables, and the like

#109
20090010714
2009-01-08

LNG RECEIVING TERMINAL THAT PRIMARILY USES COMPENSATED SALT CAVERN STORAGE AND METHOD OF USE

#110
20060150640
2006-07-13

LNG receiving terminal that primarily uses compensated salt cavern storage and method of use

#111
19007749
2025-06-10

Sealing structure of underground high-pressure gas storage and construction method thereof

#112
18977828
2026-03-17

Enhanced gas storage and sendout resiliency with co-located LNG and underground gas storage facilities

#113
18156019
2024-03-12

Energy storage under desert environments

#114
16372168
2020-11-03

Big mass battery including manufactured pressure vessel for energy storage

#115
15427862
2019-03-05

Method for forming and maintaining a fundamentally impervious boundary to very high purity hydrogen in a salt cavern

#116
14797919
2016-10-18

Apparatus, methods, and systems for storing and managing liquids in an offshore environment