ClassID:

84245

C01B3/0057 - CPC Classification

Classification description:

Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it ; Purification of hydrogen; Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof; Intermetallic compounds; Metal alloys; Treatment thereof containing a rare earth metal; Treatment thereof also containing nickel

Recent Application in this class:
#1
20260001759
2026-01-01

DEVICE FOR IN-SITU HYDROGEN ABSORPTION AND HYDROLYSIS HYDROGEN PRODUCTION BASED ON MAGNESIUM-BASED SOLID HYDROGEN STORAGE ALLOY AND USE THEREOF

#2
20250128938
2025-04-24

HYDROGEN STORAGE MATERIAL, HYDROGEN STORAGE CONTAINER, AND HYDROGEN SUPPLY APPARATUS

#3
20240279052
2024-08-22

AB5 TYPE-BASED HYDROGEN STORAGE ALLOYS, METHODS OF PREPARATION AND USES THEREOF

#4
20240263284
2024-08-08

AB2 TYPE-BASED HYDROGEN STORAGE ALLOYS, METHODS OF PREPARATION AND USES THEREOF

#5
20240208807
2024-06-27

HYDROGEN STORAGE MATERIAL, HYDROGEN STORAGE CONTAINER, AND HYDROGEN SUPPLY APPARATUS

#6
20240034622
2024-02-01

HYDROGEN STORAGE MATERIAL, HYDROGEN STORAGE CONTAINER AND HYDROGEN SUPPLY APPARATUS

#7
20230271826
2023-08-31

Hydrogen compression system

#8
20220315419
2022-10-06

ORGANIC HYDROGEN STORAGE RAW MATERIAL DEHYDROGENATION CATALYST, CARRIER OF CATALYST, HYDROGEN STORAGE ALLOY, AND METHOD FOR PROVIDING HIGH-PURITY HYDROGEN GAS

#9
20220299166
2022-09-22

Solid hydrogen storage system

#10
20220258133
2022-08-18

CATALYST FOR DEHYDROGENATING ORGANIC HYDROGEN STORAGE RAW MATERIAL, CARRIER FOR CATALYST, HYDROGEN STORAGE ALLOY, AND METHOD FOR PROVIDING HIGH PURITY HYDROGEN

#11
20220227623
2022-07-21

ORGANIC HYDROGEN STORAGE RAW MATERIAL DEHYDROGENATION CATALYST, CARRIER OF THE CATALYST, HYDROGEN STORAGE ALLOY, AND METHOD FOR PROVIDING HIGH-PURITY HYDROGEN

#12
20200002163
2020-01-02

HYDROGEN OCCLUSION CARTRIDGE

#13
20180119886
2018-05-03

Hydrogen storage composition, hydrogen storage container and method for producing hydrogen storage container with hydrogen storage composition

#14
20170250397
2017-08-31

Hydrogen storing alloy and production method thereof

#15
20170214067
2017-07-27

Solid state hydrogen storage device and solid state hydrogen storage system

#16
20160194201
2016-07-07

Magnesium-based hydrogen storage material and method for preparing the same

#17
20150255816
2015-09-10

Heater assembly, hydrogen generator and method of providing hydrogen gas

#18
20140120411
2014-05-01

Nickel hydride secondary battery

#19
20140030583
2014-01-30

Nickel-metal hydride secondary cell and negative electrode therefor

#20
20130157132
2013-06-20

Low Co hydrogen storage alloy

#21
20130142690
2013-06-06

Process for production of (rare earth)-Mg-Ni-based hydrogen storage alloy

#22
20130029209
2013-01-31

Nickel hydrogen rechargeable battery

#23
20120315183
2012-12-13

Hydrogen absorption alloy, hydrogen absorption alloy electrode, and secondary battery

#24
20120251913
2012-10-04

Methods and apparatus for refueling reversible hydrogen-storage systems

#25
20120077112
2012-03-29

FUEL TANK, HYDROGEN REMAINING LEVEL DETECTION SYSTEM, AND FUEL CELL SYSTEM

#26
20120052353
2012-03-01

CYLINDRICAL NICKEL-HYDROGEN STORAGE BATTERY

#27
20120001131
2012-01-05

Hydrogen-absorbing alloy and electrode for nickel-metal hydride secondary batteries

#28
20110274972
2011-11-10

HYDROGEN-ABSORBING ALLOY AND NICKEL-METAL HYDRIDE RECHARGEABLE BATTERY

#29
20110229755
2011-09-22

Hydrogen storage alloy for alkaline storage battery, and alkaline storage battery and alkaline storage battery system each including negative electrode having the alloy

#30
20110142752
2011-06-16

Hydrogen storage materials

#31
20110111954
2011-05-12

Hydrogen storage materials

#32
20110017613
2011-01-27

Gas storage medium, gas storage apparatus and method thereof

#33
20110003225
2011-01-06

RECHARGING VALVE FOR A FUEL CELL

#34
20100280138
2010-11-04

Method of activating boron nitride

#35
20100279201
2010-11-04

Proton exchange membrane and cell comprising such a membrane

#36
20100255373
2010-10-07

Method for preparing hydrogen absorbing electrode and nickel metal-hydride battery

#37
20100221608
2010-09-02

Alloy powder for electrode and method for producing same

#38
20100108543
2010-05-06

Composition comprising hydrogen storage alloy and resin

#39
20090280363
2009-11-12

Hydrogen generator, fuel cell system comprising the same, and operation method thereof

#40
20090274614
2009-11-05

HYDROGEN STORAGE MATERIAL AND PREPARATION THEREOF

#41
20090246069
2009-10-01

Magnesium based-alloys for hydrogen storage

#42
20090226776
2009-09-10

HYDROGEN CHARGING APPARATUS

#43
20090206302
2009-08-20

HYDROGEN-ABSORBING ALLOY FOR AN ALKALINE STORAGE BATTERY

#44
20090130551
2009-05-21

Nickel metal-hydride battery

#45
20090104527
2009-04-23

Hydrogen storage alloy, its production method, hydrogen storage alloy electrode, and secondary battery

#46
20090075140
2009-03-19

ELECTRODE STRUCTURE OF FUEL CELL

#47
20090061318
2009-03-05

Hydrogen-absorbing alloy and nickel-metal hydride storage battery

#48
20090047576
2009-02-19

Nickel Metal-Hydride Battery and Method of Manufacturing the Same

#49
20080299458
2008-12-04

Hydrogen storage alloy for alkaline battery and production method thereof, as well as alkaline battery

#50
20080299444
2008-12-04

Hydrogen storage electrode

#51
20080085209
2008-04-10

HYDROGEN-ABSORBING ALLOY FOR AN ALKALINE STORAGE BATTERY

#52
20080038617
2008-02-14

Methods and apparatus for refueling reversible hydrogen-storage systems

#53
20070269717
2007-11-22

Hydrogen Absorbing Electrode and Nickel Metal-Hydridge Battery

#54
20070259264
2007-11-08

HYDROGEN ABSORBING ALLOY AND SECONDARY BATTERY

#55
20070231184
2007-10-04

Hydrogen occlusive alloy, hydrogen storage film and hydrogen storage tank

#56
20070190417
2007-08-16

Hydrogen absorbing alloy and secondary battery

#57
20070172656
2007-07-26

Process of forming a sol-gel/metal hydride composite

#58
20070099082
2007-05-03

Hydrogen-absorption alloy electrode

#59
20070051241
2007-03-08

Hydrogen supply system

#60
20070000388
2007-01-04

Hydrogen storage-based electrochemical system and method of preparation

#61
20060269841
2006-11-30

Alkaline electrolyte storage battery having an anode formed of an active material composition

#62
20060254678
2006-11-16

Hydrogen absorbing alloy and secondary battery

#63
20060216598
2006-09-28

Hydrogen storage alloy

#64
20060194105
2006-08-31

Alkaline storage cell

#65
20060188385
2006-08-24

Low Co hydrogen storage alloy

#66
20060131794
2006-06-22

Hydrogen closed-cycle hardening unit

#67
20060057040
2006-03-16

Portable hydrogen supply system

#68
20060057019
2006-03-16

Hydrogen storage alloys having reduced PCT hysteresis

#69
20050274439
2005-12-15

Intermetallic articles of manufacture having high room temperature ductility

#70
20050255382
2005-11-17

Hydrogen storage alloys having improved cycle life and low temperature operating characteristics

#71
20050175896
2005-08-11

Hydrogen-absorbing alloy for alkaline storage batteries, alkaline storage battery, and method of manufacturing alkaline storage battery

#72
20050164083
2005-07-28

Hydrogen-absorbing alloy for alkaline storage battery, method of manufacturing the same, and alkaline storage battery

#73
20050112018
2005-05-26

Ca-Mg-Ni containing alloys, method for preparing the same and use thereof for gas phase hydrogen storage

#74
20050100789
2005-05-12

Nickel metal hydride storage battery

#75
20050056349
2005-03-17

Hydrogen absorbing alloy for alkaline storage battery, method for manufacturing the same and alkaline storage battery