ClassID:

146154

F15B21/006 - CPC Classification

Classification description:

Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass Compensation or avoidance of ambient pressure variation

Recent Application in this class:
#1
20250013253
2025-01-09

PRESSURE REGULATOR ASSEMBLY FOR A COOLANT DISTRIBUTION UNIT

#2
20240061453
2024-02-22

Pressure regulator assembly for a coolant distribution unit

#3
20240059370
2024-02-22

HYDRAULIC BRAKE ARRANGEMENT FOR AN AT LEAST PARTIALLY MUSCLE-POWERED BICYCLE

#4
20240047117
2024-02-08

Pressure Compensator and Assembly Comprising a Subsea Installation and Such a Pressure Compensator

#5
20230391446
2023-12-07

MODIFICATION OF AIRCRAFT FOR PARABOLIC FLIGHT

#6
20230375014
2023-11-23

APPARATUS FOR DAMPING PRESSURE PULSATIONS

#7
20230320031
2023-10-05

Cool fluid reservoir for a coolant distribution unit

#8
20230243437
2023-08-03

Actuator assemblies and related methods for valve systems

#9
20220136535
2022-05-05

Hydraulic circuit including hydraulic decompression energy reclamation

#10
20200124206
2020-04-23

Locally-actuated partial stroke testing system

#11
20200096022
2020-03-26

Hydraulic fluid pressure compensator unit with integrated load sense and reverse flow checks

#12
20200069856
2020-03-05

Pneumatic system having noise reduction features for a medical fluid machine

#13
20190320545
2019-10-17

Subsea installation

#14
20190145191
2019-05-16

Depth compensated actuator and use of same in association with a transportable heave compensator

#15
20180355894
2018-12-13

Milking robot with cylinder system

#16
20180313372
2018-11-01

Subsea arrangement and method for detecting a malfunction of a subsea arrangement

#17
20180087538
2018-03-29

Self-contained depth compensated accumulator system

#18
20170227021
2017-08-10

Electrohydraulic system for use under water, and process valve having an electrohydraulic system of said type

#19
20170189592
2017-07-06

Pressure manifold system for dialysis

#20
20170082121
2017-03-23

Valve Manifold with Breather Protection

#21
20170058922
2017-03-02

Hydraulic fluid warmup system and method

#22
20160298657
2016-10-13

System for stabilizing pressure fluctuations in a hydraulic line of a hydraulic circuit

#23
20160076651
2016-03-17

Rotary hydraulic actuator seal

#24
20160018825
2016-01-21

Vortex diffuser for rotating/stationary interfaces

#25
20150377257
2015-12-31

Subsea actuator with three-pressure control

#26
20150368988
2015-12-24

Expandable tubular thread protection

#27
20150322972
2015-11-12

Gas handling method for dual bottle subsea accumulators

#28
20150300101
2015-10-22

EXPANDABLE TUBULAR THREAD PROTECTION

#29
20150167704
2015-06-18

Pressure compensator

#30
20150165108
2015-06-18

Pressure manifold system for dialysis

#31
20150101822
2015-04-16

Subsea differential-area accumulator

#32
20140352793
2014-12-04

Wet connection system, downhole system using wet connection system, and method thereof

#33
20130340421
2013-12-26

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

#34
20130277306
2013-10-24

Noise-reducing dialysis systems and methods of reducing noise in dialysis systems

#35
20120305120
2012-12-06

Pressure-compensated accumulator bottle

#36
20120279720
2012-11-08

Subsea pressure delivery system

#37
20110232474
2011-09-29

Two-stage submersible actuators

#38
20110163033
2011-07-07

Noise-reducing dialysis systems and methods of reducing noise in dialysis systems

#39
20110147002
2011-06-23

Subsea differential-area accumulator

#40
20100206389
2010-08-19

Pressure-compensated accumulator bottle

#41
20100155072
2010-06-24

Rechargeable subsea force generating device and method

#42
20100155071
2010-06-24

Subsea force generating device and method

#43
20090112151
2009-04-30

Dialysis system having integrated pneumatic manifold

#44
20080251980
2008-10-16

Depth compensated subsea passive heave compensator

#45
20080121294
2008-05-29

Fluid Delivery System

#46
20080006411
2008-01-10

Electric-hydraulic power unit

#47
20060283600
2006-12-21

Electric-hydraulic power unit

#48
20050178557
2005-08-18

Electric-hydraulic power unit

#49
16409484
2020-04-21

Hydraulic fluid conditioning device