ClassID:

145886

F15B1/24 - CPC Classification

Classification description:

Installations or systems with accumulators; Supply reservoir or sump assemblies; Installations or systems with accumulators; Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons

Recent Application in this class:
#1
20260152140
2026-06-04

Restraint Systems and Restraint System Methods

#2
20260138577
2026-05-21

MEDIUM PRESSURE ACCUMULATOR WITH FAST FILL SUPPLY VALVE AND BRAKE SYSTEM USING SAME

#3
20260054432
2026-02-26

ROLLING ASSEMBLY

#4
20260009407
2026-01-08

ACCUMULATOR COVER, METHOD OF MANUFACTURING ACCUMULATOR COVER, AND ACCUMULATOR FOR ANTI-LOCK BRAKE SYSTEM

#5
20250376994
2025-12-11

INTERNAL FLOATING PISTON

#6
20250277542
2025-09-04

ACTUATOR ASSEMBLY AND METHOD OF USE

#7
20250250995
2025-08-07

Hydraulic Accumulator

#8
20250223979
2025-07-10

Piston Accumulator

#9
20250223978
2025-07-10

Piston Accumulator

#10
20250198427
2025-06-19

Piston Accumulator

#11
20250129801
2025-04-24

Hydraulic Accumulator

#12
20250109754
2025-04-03

ACCUMULATOR WITH LEAKAGE-BASED FILTERING

#13
20250092885
2025-03-20

Hydraulic Accumulator

#14
20250084876
2025-03-13

INTERNAL FLOATING PISTON

#15
20250084872
2025-03-13

METHOD OF PRESSURIZING A FLOATING PISTON ACCUMULATOR

#16
20250013253
2025-01-09

PRESSURE REGULATOR ASSEMBLY FOR A COOLANT DISTRIBUTION UNIT

#17
20250003428
2025-01-02

Piston Accumulator

#18
20240392809
2024-11-28

ADAPTIVE REPRESSURIZER

#19
20240376950
2024-11-14

GAS SPRING WITH HYDRAULIC ACCUMULATOR

#20
20240351246
2024-10-24

ROLLING ASSEMBLY

#21
20240263649
2024-08-08

ACCUMULATOR WITH REINFORCING STRUCTURE

#22
20240110580
2024-04-04

Hydraulic Accumulator

#23
20240061453
2024-02-22

Pressure regulator assembly for a coolant distribution unit

#24
20240011510
2024-01-11

PISTON ACCUMULATOR

#25
20230320031
2023-10-05

Cool fluid reservoir for a coolant distribution unit

#26
20230287905
2023-09-14

SPRING DAMPENING FOR ACCUMULATOR SYSTEM

#27
20230220853
2023-07-13

Systems and methods for managing noise in compact high speed and high force hydraulic actuators

#28
20230204051
2023-06-29

Automatic fluid pump inlet stabilizers and vacuum regulators

#29
20230151828
2023-05-18

TELESCOPIC ACTUATOR, ACTUATING SYSTEM AND MOTION SIMULATING APPARATUS

#30
20230090796
2023-03-23

Piston accumulator

#31
20230035975
2023-02-02

HYDRAULIC APPARATUS, AND METHOD, FOR THE RECOVERY OF ENERGY IN A OPERATING MACHINE

#32
20220397127
2022-12-15

Hydrostatic cylinder with gas pressure accumulator

#33
20220389941
2022-12-08

Accumulator system

#34
20220372996
2022-11-24

PISTON ACCUMULATOR

#35
20220341406
2022-10-27

Automatic fluid pump inlet stabilizers and vacuum regulators

#36
20220325726
2022-10-13

GAS PISTON ACCUMULATOR

#37
20220178388
2022-06-09

HIGH-CAPACITY BLADDER TYPE CONSTANT PRESSURE ACCUMULATOR AND APPLICATION THEREOF

#38
20220057123
2022-02-24

Liquid feeder

#39
20210356080
2021-11-18

Auxiliary system and method for starting or restarting the flow of gelled fluid

#40
20210355968
2021-11-18

Miniature pressure compensating device

#41
20210340999
2021-11-04

ACCUMULATOR AND METHOD OF OPERATING ACCUMULATOR

#42
20210285465
2021-09-16

Hydro-pneumatic accumulator with integrated nitrogen precharge regeneration system

#43
20210270295
2021-09-02

Restraint Systems and Restraint System Methods

#44
20210239136
2021-08-05

Hydraulic axis with energy storage feature

#45
20210222708
2021-07-22

Hydraulic accumulator

#46
20210108626
2021-04-15

Gas and gas mixture collection and delivery apparatus

#47
20200400168
2020-12-24

Pressure vessel arrangement providing piston position feedback, pressure vessel, and method for providing piston position feedback in a pressure vessel

#48
20200362883
2020-11-19

Piston accumulator

#49
20200309158
2020-10-01

Hydropneumatic piston accumulator

#50
20200248717
2020-08-06

Accumulator

#51
20200224683
2020-07-16

Hydraulic Actuator

#52
20200173595
2020-06-04

Pressure reducing valve

#53
20200173465
2020-06-04

Accumulator system

#54
20200166056
2020-05-28

Pressure compensation device designed for underwater applications

#55
20200088214
2020-03-19

Systems and methods for managing noise in compact high speed and high force hydraulic actuators

#56
20200056630
2020-02-20

Accumulator system

#57
20200032819
2020-01-30

Accumulator

#58
20190390426
2019-12-26

FERRY SLIP

#59
20190390419
2019-12-26

Gangway having position locking assembly

#60
20190368405
2019-12-05

Pressure compensator in a bubble of liquid encased in ice

#61
20190320545
2019-10-17

Subsea installation

#62
20190292023
2019-09-26

TRANSPORTABLE INLINE HEAVE COMPENSATOR

#63
20190242368
2019-08-08

Multi-buffering energy storage device and application thereof

#64
20190225203
2019-07-25

Housing block, in particular for a hydraulic unit of an electronically slip-controllable vehicle brake system

#65
20190186306
2019-06-20

Internal combustion engine

#66
20190177245
2019-06-13

Pyrotechnic pressure generator

#67
20190154151
2019-05-23

Sealing structure

#68
20190120257
2019-04-25

Hydropneumatic piston accumulator

#69
20190063015
2019-02-28

Gangway having position locking assembly

#70
20190048897
2019-02-14

Accumulator device and hydropneumatic suspension

#71
20190010963
2019-01-10

ENGINEERED TISSUE SUBSTITUTE SYSTEM

#72
20180372125
2018-12-27

Accumulator module for hydromechanical spring-loaded drive

#73
20180363681
2018-12-20

Hydraulic control unit having fill port

#74
20180347596
2018-12-06

Safety device

#75
20180283408
2018-10-04

Hydraulic accumulator and manufacturing method thereof

#76
20180266443
2018-09-20

Accumulator piston, in particular for a pressure medium accumulator of a hydraulic unit of an electronically slip-controllable vehicle brake system

#77
20180266188
2018-09-20

Expansion chamber

#78
20180258961
2018-09-13

Gas generator driven hydraulic accumulator

#79
20180258960
2018-09-13

Engineered tissue substitute system

#80
20180257186
2018-09-13

Accumulator assembly fixture

#81
20180222599
2018-08-09

Hydraulic actuator and accumulator arrangement

#82
20180216639
2018-08-02

Accumulator with secondary gas chamber

#83
20180187702
2018-07-05

Hydraulic machine unit and method for operating such a machine unit

#84
20180112681
2018-04-26

HYDRAULIC ACCUMULATOR

#85
20180066680
2018-03-08

Accumulator

#86
20180051719
2018-02-22

Accumulator and fluid material discharge system

#87
20180031005
2018-02-01

ENGINEERED TISSUE SUBSTITUTE SYSTEM

#88
20180010618
2018-01-11

Gas charging valve array for an accumulator

#89
20180003197
2018-01-04

ACCUMULATOR AND METHOD OF MAKING AND USING THE SAME

#90
20170343019
2017-11-30

Actuator assist apparatus, actuator system and method

#91
20170292538
2017-10-12

Gas generator driven hydraulic pressure supply systems

#92
20170268539
2017-09-21

Plunger pressure accumulator

#93
20170213400
2017-07-27

Pitch trim actuator servicing monitoring system and method

#94
20170211246
2017-07-27

Gangway having hydraulic position locking assembly

#95
20170198725
2017-07-13

Hydropneumatic pressure accumulator

#96
20170184133
2017-06-29

METHOD FOR MANUFACTURING A PRESSURE ACCUMULATOR

#97
20170175778
2017-06-22

Hydro pneumatic accumulator with internal leak detection

#98
20170138375
2017-05-18

Accumulator Charging Device and System

#99
20170058918
2017-03-02

Piston accumulator with integrated cylinder rod

#100
20160369822
2016-12-22

Liquid seal energy-accumulator and hydraulic system thereof based on liquid-collector and sandwich piston

#101
20160356290
2016-12-08

Accumulator volume detector using an optical measurement

#102
20160333896
2016-11-17

Accumulator device

#103
20160305212
2016-10-20

Piston accumulator bladder apparatus system and method

#104
20160160892
2016-06-09

Piston and piston-equipped assembly for a hydraulic unit or a piston-cylinder device of a vehicle braking system

#105
20160153601
2016-06-02

In-line water hammer arrester

#106
20160123785
2016-05-05

Measurement system

#107
20160123356
2016-05-05

Ultrasonic displacement measurement system and method for ultrasonic displacement measurement

#108
20160102684
2016-04-14

Gas generator driven pressure supply device

#109
20160027225
2016-01-28

Pitch trim actuator servicing monitoring system

#110
20150322972
2015-11-12

Gas handling method for dual bottle subsea accumulators

#111
20150322971
2015-11-12

Separating device for fluid media

#112
20150285272
2015-10-08

APPARATUS AND METHODS FOR PASSIVE PRESSURE MODULATION

#113
20150260203
2015-09-17

Subsea pressure compensation arrangement

#114
20150247510
2015-09-03

Antenna assembly for piston accumulators

#115
20150217747
2015-08-06

System and method of determining accumulator status

#116
20150167698
2015-06-18

In-line water hammer arrester

#117
20150152896
2015-06-04

Three-stage hydraulic actuator and method of operating the same

#118
20150152889
2015-06-04

System for improving the energy efficiency in hydraulic systems

#119
20150144216
2015-05-28

PISTON ACCUMULATOR

#120
20150101822
2015-04-16

Subsea differential-area accumulator

#121
20150068631
2015-03-12

In-line water hammer arrester

#122
20140325974
2014-11-06

Hydraulic hybrid system for rotatory applications

#123
20140318115
2014-10-30

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

#124
20140311577
2014-10-23

Self replenishing accumulator

#125
20140290972
2014-10-02

Accumulator

#126
20140230645
2014-08-21

Gas cylinder, in particular high-pressure gas cylinder

#127
20140219848
2014-08-07

Hydraulic motor-pump with fixed or variable displacement

#128
20140208733
2014-07-31

Hydrostatic power unit to start an internal combustion engine

#129
20140109561
2014-04-24

Wind To Electric Energy Conversion With Hydraulic Storage

#130
20130340871
2013-12-26

Pressure accumulator

#131
20130340421
2013-12-26

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

#132
20130312597
2013-11-28

Hydraulic servo-control of a servo-controlled gearbox

#133
20130262010
2013-10-03

Position determination apparatus

#134
20130240068
2013-09-19

Compressed air energy storage

#135
20130228579
2013-09-05

EXPANSION TANK WITH A PISTON

#136
20130220161
2013-08-29

Pyrotechnic pressure accumulator

#137
20130082054
2013-04-04

Safety device against excess temperature

#138
20130062069
2013-03-14

ACCUMULATOR HAVING OPERATING FLUID VOLUME INDEPENDENT OF EXTERNAL HYDROSTATIC PRESSURE

#139
20130048126
2013-02-28

Piston accumulator

#140
20130019980
2013-01-24

Accumulator with single direction seal

#141
20120305120
2012-12-06

Pressure-compensated accumulator bottle

#142
20120266590
2012-10-25

BROAD PRESSURE AND FREQUENCY RANGE ACCUMULATOR

#143
20120222546
2012-09-06

Variable displacement piston-in-piston hydraulic unit

#144
20120216900
2012-08-30

Integrated hydraulic accumulator arrangement

#145
20120216889
2012-08-30

Pressure intensifier system for subsea running tools

#146
20120167704
2012-07-05

Device for the pulsed release of an amount of fluid which can be stored in an accumulator housing

#147
20120125272
2012-05-24

Volume store

#148
20120085450
2012-04-12

Accumulator assembly

#149
20120085227
2012-04-12

LATCHING ASSEMBLY FOR AN ACCUMULATOR

#150
20120067446
2012-03-22

Ultra lightweight and compact accumulator

#151
20120042644
2012-02-23

MOBILE HYDRAULIC SYSTEM

#152
20120000560
2012-01-05

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

#153
20110308383
2011-12-22

PISTON ACCUMULATOR

#154
20110226371
2011-09-22

Accumulator assembly

#155
20110214743
2011-09-08

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

#156
20110147002
2011-06-23

Subsea differential-area accumulator

#157
20110139285
2011-06-16

Combination spring and gas filled accumulator

#158
20110109094
2011-05-12

Wind To Electric Energy Conversion With Hydraulic Storage

#159
20110067565
2011-03-24

Method of using a band sensor for determining a position of a component inside a housing

#160
20110000565
2011-01-06

Hydraulic oscillating motor

#161
20100326063
2010-12-30

Methods and apparatus to charge accumulator apparatus

#162
20100313560
2010-12-16

Hydraulic pressure apparatus and brake pressure control apparatus using the same

#163
20100307233
2010-12-09

Hydraulic accumulator with position sensor

#164
20100226806
2010-09-09

Active electric accumulator

#165
20100206389
2010-08-19

Pressure-compensated accumulator bottle

#166
20100161184
2010-06-24

Method and apparatus for calculating payload weight

#167
20100155072
2010-06-24

Rechargeable subsea force generating device and method

#168
20100090381
2010-04-15

Hydropneumatic accumulator with a compressible regenerator

#169
20090211239
2009-08-27

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

#170
20090205731
2009-08-20

Hydraulic accumulator

#171
20090126816
2009-05-21

Lightweight high pressure repairable piston tie rod composite accumulator

#172
20090126815
2009-05-21

Lightweight high pressure repairable piston composite accumulator with slip flange

#173
20080314467
2008-12-25

Piston-in sleeve hydraulic pressure accumulator

#174
20080308168
2008-12-18

Compact hydraulic accumulator

#175
20080251980
2008-10-16

Depth compensated subsea passive heave compensator

#176
20080230135
2008-09-25

Piston-type accumulator

#177
20080104951
2008-05-08

Subsea pressure accumulator systems

#178
20080060711
2008-03-13

Hydraulic accumulator

#179
20070289437
2007-12-20

Adjustable hydraulic support cylinder

#180
20070278030
2007-12-06

Machine, in particular construction machine

#181
20070181199
2007-08-09

Hydraulic accumulator

#182
20070114840
2007-05-24

Piston-type accumulator

#183
20060277904
2006-12-14

Hydraulic accumulator especially piston-type accumulator

#184
20060213365
2006-09-28

Hydraulic accumulator comprising a position indicator

#185
20060204389
2006-09-14

Piston-type accumulator

#186
20060180418
2006-08-17

Hydraulic equipment with built-in free piston

#187
20060130920
2006-06-22

Hydraulic accumulator

#188
20060124790
2006-06-15

Accumulator

#189
20060075892
2006-04-13

Piston-type accumulator

#190
20060016074
2006-01-26

Method for the production of piston-type accumulators

#191
20050275280
2005-12-15

Fluid power accumulator using adsorption

#192
20050224122
2005-10-13

Hydraulic accumulator

#193
20050194054
2005-09-08

Lightweight low permeation piston-in-sleeve accumulator

#194
20050098326
2005-05-12

Hydraulic circuit for hydraulic cylinder

#195
20050086934
2005-04-28

Hydraulic cylinder

#196
20050023390
2005-02-03

Vertical roller mill with improved hydro-pneumatic loading system

#197
20050011565
2005-01-20

Variable volume reservoir

#198
15465824
2019-03-05

Transmission and engine configuration

#199
15290202
2018-02-06

Leak-free piston style accumulator

#200
14798328
2016-09-06

Lightweight piston accumulator

#201
14664170
2017-08-22

Hydraulic accumulator having a closing arrangement