ClassID:

146199

F15B2201/411 - CPC Classification

Classification description:

Accumulators; Constructional details of accumulators not otherwise provided for; Liquid ports having valve means

Recent Application in this class:
#1
20250223978
2025-07-10

Piston Accumulator

#2
20250223977
2025-07-10

DROP-IN SIGNAL ACCUMULATOR PISTON KIT AND METHOD FOR REPLACING AN ORIGINAL EQUIPMENT SIGNAL ACCUMULATOR PISTON

#3
20250155089
2025-05-15

PRESSURE PULSE GENERATION

#4
20250121931
2025-04-17

EHA ACCUMULATOR REFILLING ARRANGEMENT

#5
20240392810
2024-11-28

Dual Mode Force Control for Surface Engaging Machinery

#6
20240392809
2024-11-28

ADAPTIVE REPRESSURIZER

#7
20240360845
2024-10-31

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

#8
20240191726
2024-06-13

Drop-in signal accumulator piston kit and method for replacing an original equipment signal accumulator piston

#9
20230256946
2023-08-17

HYDRAULIC PRESSURE CONTROL UNIT

#10
20230160403
2023-05-25

DEPLOYABLE ENERGY SUPPLY AND MANAGEMENT SYSTEM

#11
20230094924
2023-03-30

Wellhead pressure reduction and power generating assembly

#12
20230090796
2023-03-23

Piston accumulator

#13
20220154735
2022-05-19

Drop-in signal accumulator piston kit and method for replacing an original equipment signal accumulator piston

#14
20220136535
2022-05-05

Hydraulic circuit including hydraulic decompression energy reclamation

#15
20220025914
2022-01-27

System, valve assembly, and methods for oscillation control of a hydraulic machine

#16
20210355968
2021-11-18

Miniature pressure compensating device

#17
20210293111
2021-09-23

Reliability assessable systems for actuating hydraulically actuated devices and related methods

#18
20210222710
2021-07-22

Hydraulic tank protection system

#19
20200362884
2020-11-19

Hydraulic system for working machine

#20
20200362883
2020-11-19

Piston accumulator

#21
20200240231
2020-07-30

Systems and methods for actuating hydraulically-actuated devices

#22
20200199960
2020-06-25

RELIABILITY ASSESSABLE SYSTEMS FOR ACTUATING HYDRAULICALLY ACTUATED DEVICES AND RELATED METHODS

#23
20200166055
2020-05-28

Bootstrap hydraulic reservoir

#24
20200011254
2020-01-09

Device for controlling the compression rate of a variable compression ratio engine, comprising a two-way solenoid valve provided with a secondary circuit for fluid refilling

#25
20190360503
2019-11-28

Accumulator

#26
20190177245
2019-06-13

Pyrotechnic pressure generator

#27
20190120256
2019-04-25

Bootstrap accumulator containing integrated bypass valve

#28
20180258961
2018-09-13

Gas generator driven hydraulic accumulator

#29
20180180068
2018-06-28

Hydraulic system for working machine

#30
20180087538
2018-03-29

Self-contained depth compensated accumulator system

#31
20180066785
2018-03-08

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

#32
20180066493
2018-03-08

Systems and methods for actuating hydraulically-actuated devices

#33
20180051719
2018-02-22

Accumulator and fluid material discharge system

#34
20180038391
2018-02-08

Method for producing a foam body

#35
20170363112
2017-12-21

Device for recovering hydraulic energy by connecting two differential cylinders

#36
20170292538
2017-10-12

Gas generator driven hydraulic pressure supply systems

#37
20170227027
2017-08-10

Device for relieving pressure in hydraulics lines

#38
20170138142
2017-05-18

Reliability Assessable Systems for Actuating Hydraulically Actuated Devices and Related Methods

#39
20160369822
2016-12-22

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

#40
20160273555
2016-09-22

Regenerative reservoir

#41
20160273192
2016-09-22

Hydraulic Pressure Circuit and Working Machine

#42
20160230780
2016-08-11

Valve device and hydraulic system

#43
20160131163
2016-05-12

Hydrostatic Drive For Variable Speed Operation of Rotational Equipment

#44
20160130986
2016-05-12

POWER CONDITIONING AND ENERGY STORAGE DEVICE USING HYDRAULIC-PNEUMATIC SEQUENTIALLY FIRED PULSE FORMING NETWORKS

#45
20160102684
2016-04-14

Gas generator driven pressure supply device

#46
20150240450
2015-08-27

Shovel

#47
20150225929
2015-08-13

Shovel

#48
20150219077
2015-08-06

Power generating system and hydraulic control system

#49
20150204355
2015-07-23

Hydrostatic hybrid drive device for a hybrid drive train

#50
20150204354
2015-07-23

Hydrostatic drive system in a closed circuit

#51
20140338320
2014-11-20

Oil level control device

#52
20140219848
2014-08-07

Hydraulic motor-pump with fixed or variable displacement

#53
20140102089
2014-04-17

Valve of a storage device having a spring element

#54
20130092273
2013-04-18

Device for storing hydraulic fluid

#55
20130074967
2013-03-28

Hydraulic accumulator

#56
20130056103
2013-03-07

Valve array

#57
20120211112
2012-08-23

Multiple accumulator systems and methods of use thereof

#58
20120073668
2012-03-29

BLADDER TYPE ACCUMULATOR

#59
20120006438
2012-01-12

Accumulator

#60
20110226346
2011-09-22

Accumulator with solenoid valve

#61
20100193059
2010-08-05

Accumulator

#62
20090064674
2009-03-12

Accumulator

#63
20080314467
2008-12-25

Piston-in sleeve hydraulic pressure accumulator

#64
20070114840
2007-05-24

Piston-type accumulator

#65
20070028981
2007-02-08

Hydraulic pressure reservoir

#66
20060277904
2006-12-14

Hydraulic accumulator especially piston-type accumulator

#67
20060042707
2006-03-02

Accumulator using internal and external threads

#68
20050275280
2005-12-15

Fluid power accumulator using adsorption

#69
20050257844
2005-11-24

Trapped gas removal in liquid gas accumulator

#70
20050247360
2005-11-10

Hydraulic reservoir in particular a membrane reservoir

#71
20050098326
2005-05-12

Hydraulic circuit for hydraulic cylinder

#72
20050086934
2005-04-28

Hydraulic cylinder

#73
15290202
2018-02-06

Leak-free piston style accumulator

#74
14678839
2017-12-05

Self-contained depth compensated accumulator system