ClassID:

146164

F15B21/06 - 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 Use of special fluids, e.g. liquid metal; Special adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids

Sub-classes:
Recent Application in this class:
#1
20250382979
2025-12-18

PISTON-TYPE GAS-POWERED WELL-BASED ENERGY STORAGE AND POWER GENERATION SYSTEM

#2
20250354571
2025-11-20

HYDRAULICALLY AMPLIFIED SELF-HEALING ELECTROSTATIC (HASEL) TRANSDUCERS

#3
20250163942
2025-05-22

HYDRAULICALLY AMPLIFIED SELF-HEALING ELECTROSTATIC ACTUATOR

#4
20240175476
2024-05-30

TELESCOPING SHEAR THICKENING FLUID BASED OBJECT CONTROL MECHANISM

#5
20240052859
2024-02-15

Hydraulically amplified self-healing electrostatic (HASEL) transducers

#6
20230417261
2023-12-28

Artificial muscle assemblies comprising a reinforced housing

#7
20230001572
2023-01-05

Artificial muscles having vacuum coupled electrode insulators and methods of manufacturing the same

#8
20220381268
2022-12-01

Hydraulically amplified self-healing electrostatic actuators

#9
20220313420
2022-10-06

Asymmetric electrode insulation for artificial muscles

#10
20210285471
2021-09-16

Hydraulically amplified self-healing electrostatic actuators

#11
20210172464
2021-06-10

Actuator device and stopping and unlocking method

#12
20210003149
2021-01-07

Hydraulically amplified self-healing electrostatic transducers harnessing zipping mechanism

#13
20200378406
2020-12-03

Valve mechanism and liquid ejecting system

#14
20200367755
2020-11-26

Method for detecting fluid injection in a patient

#15
20200032822
2020-01-30

Hydraulically amplified self-healing electrostatic actuators

#16
20190170065
2019-06-06

Hydraulic and pneumatic control circuit having a fuel/air heat exchanger for a turbojet

#17
20180372133
2018-12-27

WORK DEVICE HAVING A HYDRAULIC DRIVE FOR CIVIL ENGINEERING WORK

#18
20180292021
2018-10-11

Multifunctional sanitary valve and method of operating such

#19
20180080441
2018-03-22

Method and system for multi-stage compression of a gas using a liquid

#20
20180055366
2018-03-01

METHOD FOR DETECTING FLUID INJECTION IN A PATIENT

#21
20170306993
2017-10-26

Varnish mitigation process

#22
20170002937
2017-01-05

Directional control valve

#23
20160097381
2016-04-07

Method and system for multi-stage compression of a gas using a liquid

#24
20140338888
2014-11-20

System and method for enhancing hydraulic fluids for down hole use

#25
20130276439
2013-10-24

Hydraulic pump system and method of operation

#26
20130146162
2013-06-13

Pressure compensated hydraulic system having differential pressure control

#27
20130047596
2013-02-28

Method for adapting stiffness in a variable stiffness actuator

#28
20120272642
2012-11-01

Self-regulating pressure source

#29
20120255290
2012-10-11

Latching actuator

#30
20100268352
2010-10-21

Artificial muscles

#31
20100236632
2010-09-23

Valve actuator system

#32
20100218492
2010-09-02

Compressed gas-driven device with passive thermodynamic composition

#33
20100095669
2010-04-22

Wax Actuator and a Method of Actuating by Means of a Wax Actuator

#34
20100038162
2010-02-18

Automotive construction machine

#35
20080210559
2008-09-04

High energy density electro-osmotic pump and actuator

#36
20070197410
2007-08-23

Energy efficiency in hydraulic systems

#37
20050051014
2005-03-10

Tool arrangement and application of said tool arrangement

#38
18071680
2023-11-28

Rotating shear thickening fluid based object control mechanism

#39
18071675
2023-11-28

Shear thickening fluid based object control mechanism

#40
17747416
2023-10-03

Artificial muscle assemblies comprising a reinforced housing

#41
17364142
2022-02-22

Artificial muscles having vacuum coupled electrode insulators and methods of manufacturing the same