ClassID:

146176

F15B2201/205 - CPC Classification

Classification description:

Accumulators; Accumulator cushioning means using gas

Recent Application in this class:
#1
20260117802
2026-04-30

INTERMEDIATE HYDRAULIC SYSTEM AND METHOD OF USE

#2
20260054432
2026-02-26

ROLLING ASSEMBLY

#3
20250250995
2025-08-07

Hydraulic Accumulator

#4
20250250001
2025-08-07

HYDRAULIC ENERGY RETENTION

#5
20250223978
2025-07-10

Piston Accumulator

#6
20250129802
2025-04-24

Pressure Accumulator

#7
20250129801
2025-04-24

Hydraulic Accumulator

#8
20250067282
2025-02-27

MANUFACTURING METHOD AND EXTERIOR BODY OF ACCUMULATOR

#9
20240417067
2024-12-19

Hydraulic energy retention

#10
20240360845
2024-10-31

Mechanism for regulating high pressure industrial air using double layer electromagnetic valves

#11
20240351246
2024-10-24

ROLLING ASSEMBLY

#12
20240318669
2024-09-26

Hydraulic Accumulator

#13
20240271590
2024-08-15

DEVICE, SYSTEM AND METHOD FOR ISOTHERMAL COMPRESSION, CONSTANT-PRESSURE POWER GENERATION AND PHYSICAL ENERGY STORAGE

#14
20240035490
2024-02-01

Hydraulic Accumulator

#15
20230375010
2023-11-23

SEPARATOR ELEMENT

#16
20230311796
2023-10-05

Device for maintaining a hydraulic supply of a utility vehicle

#17
20230160403
2023-05-25

DEPLOYABLE ENERGY SUPPLY AND MANAGEMENT SYSTEM

#18
20230090796
2023-03-23

Piston accumulator

#19
20220397127
2022-12-15

Hydrostatic cylinder with gas pressure accumulator

#20
20220372996
2022-11-24

PISTON ACCUMULATOR

#21
20220325726
2022-10-13

GAS PISTON ACCUMULATOR

#22
20220042524
2022-02-10

Bellows accumulator

#23
20220034334
2022-02-03

Bellows accumulator

#24
20210355968
2021-11-18

Miniature pressure compensating device

#25
20210293257
2021-09-23

Gas-liquid Coupling Type Fluid Pulsation Attenuator

#26
20210285465
2021-09-16

Hydro-pneumatic accumulator with integrated nitrogen precharge regeneration system

#27
20210269147
2021-09-02

Center biased actuator

#28
20210222708
2021-07-22

Hydraulic accumulator

#29
20210140449
2021-05-13

Accumulator

#30
20210025412
2021-01-28

Damping device

#31
20200399859
2020-12-24

Hydraulic Accumulator Assembly

#32
20200378410
2020-12-03

Accumulator with flexible inflatable container

#33
20200362883
2020-11-19

Piston accumulator

#34
20200292130
2020-09-17

Fiberwound tanks

#35
20200232559
2020-07-23

Bellows

#36
20200173595
2020-06-04

Pressure reducing valve

#37
20200159112
2020-05-21

Pulsation dampener with gas retention

#38
20200011384
2020-01-09

Fluid equipment

#39
20190383309
2019-12-19

Accumulator

#40
20190360503
2019-11-28

Accumulator

#41
20190177245
2019-06-13

Pyrotechnic pressure generator

#42
20190170370
2019-06-06

Moisture detecting air cap indicator for expansion tank failure

#43
20190162209
2019-05-30

Tensioning cylinder device

#44
20190144105
2019-05-16

Center biased actuator

#45
20190113054
2019-04-18

EXPANSION TANK WITH DECOUPLED SINGLE FLEXIBLE DIAPHRAGM

#46
20190048897
2019-02-14

Accumulator device and hydropneumatic suspension

#47
20190010963
2019-01-10

ENGINEERED TISSUE SUBSTITUTE SYSTEM

#48
20180347596
2018-12-06

Safety device

#49
20180306210
2018-10-25

Accumulator

#50
20180290392
2018-10-11

Method for manufacturing integrated hydraulic accumulator bladder

#51
20180274709
2018-09-27

WATER HAMMER ARRESTER

#52
20180258961
2018-09-13

Gas generator driven hydraulic accumulator

#53
20180258960
2018-09-13

Engineered tissue substitute system

#54
20180245656
2018-08-30

Bellows accumulator, in particular pulsation damper

#55
20180222599
2018-08-09

Hydraulic actuator and accumulator arrangement

#56
20180216639
2018-08-02

Accumulator with secondary gas chamber

#57
20180135658
2018-05-17

Expansion tank with improved pipe fitting

#58
20180087665
2018-03-29

Metal bellows type accumulator

#59
20180087539
2018-03-29

Metal bellows type accumulator

#60
20180080607
2018-03-22

Fiberwound tanks

#61
20180066785
2018-03-08

Pressure and headloss maintaining valve system for clean and dirty water systems

#62
20180066680
2018-03-08

Accumulator

#63
20180066679
2018-03-08

Accumulator

#64
20180058597
2018-03-01

Barrier fluid pressure system and method

#65
20180031005
2018-02-01

ENGINEERED TISSUE SUBSTITUTE SYSTEM

#66
20180010618
2018-01-11

Gas charging valve array for an accumulator

#67
20170292538
2017-10-12

Gas generator driven hydraulic pressure supply systems

#68
20170268539
2017-09-21

Plunger pressure accumulator

#69
20170198725
2017-07-13

Hydropneumatic pressure accumulator

#70
20170037875
2017-02-09

Accumulator racks

#71
20160358676
2016-12-08

Hydraulic control unit and method of shutting down a nuclear reactor using the same

#72
20160258449
2016-09-08

Pressure accumulator

#73
20160245310
2016-08-25

Pressure accumulator

#74
20160223118
2016-08-04

Self-killing of shock pulses of transferred medium in main pipeline

#75
20160123356
2016-05-05

Ultrasonic displacement measurement system and method for ultrasonic displacement measurement

#76
20160107302
2016-04-21

CHARGING SYSTEM FOR HYDRAULIC HAMMER

#77
20160102684
2016-04-14

Gas generator driven pressure supply device

#78
20150323115
2015-11-12

Water hammer arrester

#79
20150322972
2015-11-12

Gas handling method for dual bottle subsea accumulators

#80
20150277452
2015-10-01

Pressure compensation system

#81
20150267854
2015-09-24

Gas spring accumulator

#82
20150247510
2015-09-03

Antenna assembly for piston accumulators

#83
20150233398
2015-08-20

Measurement system

#84
20150217747
2015-08-06

System and method of determining accumulator status

#85
20150184470
2015-07-02

Plunger-type wire riser tensioner

#86
20150152889
2015-06-04

System for improving the energy efficiency in hydraulic systems

#87
20150101822
2015-04-16

Subsea differential-area accumulator

#88
20150053076
2015-02-26

Pressure accumulator and percussion device

#89
20150000949
2015-01-01

Surge accumulator for hydraulic hammer

#90
20150000756
2015-01-01

HYDRAULIC ACCUMULATOR PRE-CHARGE PRESSURE DETECTION

#91
20140360608
2014-12-11

Hydraulic accumulator

#92
20140325974
2014-11-06

Hydraulic hybrid system for rotatory applications

#93
20140318655
2014-10-30

Hydraulic accumulator

#94
20140318115
2014-10-30

System for improving the energy efficiency in hydraulic systems, piston accumulator and pressure accumulator provided for such a system

#95
20140311604
2014-10-23

Accumulator

#96
20140311577
2014-10-23

Self replenishing accumulator

#97
20140290972
2014-10-02

Accumulator

#98
20140274522
2014-09-18

Hydraulic hybrid system

#99
20140219848
2014-08-07

Hydraulic motor-pump with fixed or variable displacement

#100
20140209315
2014-07-31

Hydraulic accumulators

#101
20140116555
2014-05-01

Pulsation damper of a vehicle braking system

#102
20140102551
2014-04-17

Equipment comprising at least one hydropneumatic accumulator with automated maintenance

#103
20140061207
2014-03-06

Pressure vessel

#104
20140060688
2014-03-06

Media separating device, in particular hydraulic accumulator, including associated measuring apparatus and measuring method

#105
20140000741
2014-01-02

Hydraulic buffer

#106
20130340421
2013-12-26

Device for transferring a hydraulic working pressure in a pressure fluid for actuating hydraulic units of deep-sea systems

#107
20130312597
2013-11-28

Hydraulic servo-control of a servo-controlled gearbox

#108
20130247999
2013-09-26

Hydraulic accumulator pre-charge pressure detection

#109
20130240068
2013-09-19

Compressed air energy storage

#110
20130220161
2013-08-29

Pyrotechnic pressure accumulator

#111
20130213029
2013-08-22

Hydraulic servo-control of a servo-controlled gearbox

#112
20130179046
2013-07-11

Method and system for determining an accumulator pre-charge pressure in a fluid circuit

#113
20130126026
2013-05-23

Pressure store

#114
20130082054
2013-04-04

Safety device against excess temperature

#115
20130062069
2013-03-14

ACCUMULATOR HAVING OPERATING FLUID VOLUME INDEPENDENT OF EXTERNAL HYDROSTATIC PRESSURE

#116
20130056103
2013-03-07

Valve array

#117
20130014639
2013-01-17

DIAPHRAGM

#118
20120308404
2012-12-06

Hydrostatic hybrid drive system

#119
20120294973
2012-11-22

Hydraulic stretching

#120
20120273076
2012-11-01

COMPACT HYDRAULIC ACCUMULATOR

#121
20120266590
2012-10-25

BROAD PRESSURE AND FREQUENCY RANGE ACCUMULATOR

#122
20120228308
2012-09-13

Pressure Vessel

#123
20120211111
2012-08-23

Guiding device for metal bellows

#124
20120211110
2012-08-23

Hydraulic accumulator, especially pulsation damper

#125
20120199229
2012-08-09

Gas over liquid accumulator

#126
20120186653
2012-07-26

Accumulator reservoir venting

#127
20120152959
2012-06-21

Hydro-pneumatic pressure vessel

#128
20120073668
2012-03-29

BLADDER TYPE ACCUMULATOR

#129
20120067446
2012-03-22

Ultra lightweight and compact accumulator

#130
20120042976
2012-02-23

FLUID MANIFOLD

#131
20120017578
2012-01-26

Power transfer system

#132
20120006438
2012-01-12

Accumulator

#133
20120000560
2012-01-05

Device for fluid power recuperation including a gas receiver having a plurality of cells

#134
20110308383
2011-12-22

PISTON ACCUMULATOR

#135
20110226370
2011-09-22

Accumulator

#136
20110220419
2011-09-15

Accumulator membrane unit, method for production thereof and rock drilling machine including such an accumulator membrane unit

#137
20110219761
2011-09-15

Integral accumulator/reservoir system

#138
20110214743
2011-09-08

Method and a device for the cleaning of a piston-based hydraulic accumulator

#139
20110197658
2011-08-18

Accumulator piston position-measuring device

#140
20110192482
2011-08-11

Hydraulic accumulator, in particular bellows accumulator

#141
20110147002
2011-06-23

Subsea differential-area accumulator

#142
20110139285
2011-06-16

Combination spring and gas filled accumulator

#143
20110036437
2011-02-17

Water hammer arrester

#144
20100326063
2010-12-30

Methods and apparatus to charge accumulator apparatus

#145
20100307233
2010-12-09

Hydraulic accumulator with position sensor

#146
20100193059
2010-08-05

Accumulator

#147
20100186843
2010-07-29

Guiding device for a metal bellows

#148
20100161184
2010-06-24

Method and apparatus for calculating payload weight

#149
20100155072
2010-06-24

Rechargeable subsea force generating device and method

#150
20100108168
2010-05-06

Accumulator

#151
20100090381
2010-04-15

Hydropneumatic accumulator with a compressible regenerator

#152
20100050622
2010-03-04

Hydropneumatic accumulator with flexible porous filler

#153
20100000920
2010-01-07

Membrane coating for a water pressurization Bladder

#154
20090320290
2009-12-31

Fluid ports used in bladder type hydraulic accumulators

#155
20090260701
2009-10-22

Pulsation attenuator for a fluidic system

#156
20090211239
2009-08-27

Pressure accumulator to establish sufficient power to handle and operate external equipment and use thereof

#157
20090205731
2009-08-20

Hydraulic accumulator

#158
20090165451
2009-07-02

HYDRAULIC FLUID ACCUMULATOR WITH INTEGRATED HIGH-PRESSURE AND LOW-PRESSURE CHAMBER

#159
20090133768
2009-05-28

Metal bellows accumulator

#160
20090126815
2009-05-21

Lightweight high pressure repairable piston composite accumulator with slip flange

#161
20090101222
2009-04-23

Pressure accumulator, especially pulsation damper

#162
20090095366
2009-04-16

Hydraulic pressure accumulator

#163
20080314467
2008-12-25

Piston-in sleeve hydraulic pressure accumulator

#164
20080308168
2008-12-18

Compact hydraulic accumulator

#165
20080292483
2008-11-27

Gas Volume Damping Device for Damping Discharge Pulsations in a Medium Being Pumped

#166
20080289327
2008-11-27

Linear Drive

#167
20080251980
2008-10-16

Depth compensated subsea passive heave compensator

#168
20080230135
2008-09-25

Piston-type accumulator

#169
20080156379
2008-07-03

Pulsation attenuator for a fluidic system

#170
20080104951
2008-05-08

Subsea pressure accumulator systems

#171
20080093920
2008-04-24

Hydraulic braking circuit

#172
20080060711
2008-03-13

Hydraulic accumulator

#173
20070181199
2007-08-09

Hydraulic accumulator

#174
20070125436
2007-06-07

Pulsation attenuator for a fluidic system

#175
20070102052
2007-05-10

Accumulator

#176
20070056649
2007-03-15

Pressure container with replaceable bellows

#177
20070033932
2007-02-15

Apparatus for use with pneumatic device

#178
20070029710
2007-02-08

Accumulator and spacer for accumulator

#179
20070026269
2007-02-01

Relief valve, method of manufacturing relief valve, and fuel cell

#180
20060277904
2006-12-14

Hydraulic accumulator especially piston-type accumulator

#181
20060213365
2006-09-28

Hydraulic accumulator comprising a position indicator

#182
20060204389
2006-09-14

Piston-type accumulator

#183
20060180418
2006-08-17

Hydraulic equipment with built-in free piston

#184
20060130920
2006-06-22

Hydraulic accumulator

#185
20060124790
2006-06-15

Accumulator

#186
20060075892
2006-04-13

Piston-type accumulator

#187
20060042707
2006-03-02

Accumulator using internal and external threads

#188
20060037658
2006-02-23

Pressure container and pressure accumulating/buffer apparatus

#189
20060016074
2006-01-26

Method for the production of piston-type accumulators

#190
20050275280
2005-12-15

Fluid power accumulator using adsorption

#191
20050257844
2005-11-24

Trapped gas removal in liquid gas accumulator

#192
20050247360
2005-11-10

Hydraulic reservoir in particular a membrane reservoir

#193
20050224122
2005-10-13

Hydraulic accumulator

#194
20050194054
2005-09-08

Lightweight low permeation piston-in-sleeve accumulator

#195
20050139277
2005-06-30

Hydraulic accumulator, in particular a membrane accumulator

#196
20050098326
2005-05-12

Hydraulic circuit for hydraulic cylinder

#197
20050098244
2005-05-12

Method for manufacturing metallic bellows

#198
20050086934
2005-04-28

Hydraulic cylinder

#199
20050061379
2005-03-24

Vehicular brake system component

#200
20050028879
2005-02-10

Metal bellows hydraulic accumulator

#201
20050023390
2005-02-03

Vertical roller mill with improved hydro-pneumatic loading system

#202
18515477
2025-01-07

Method of charging a bellows accumulator

#203
15172414
2017-06-27

Hydraulic accumulator