ClassID:

145889

F15B3/00 - CPC Classification

Classification description:

Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids

Recent Application in this class:
#1
20260085704
2026-03-26

FLUID EXCHANGE DEVICES AND RELATED CONTROLS, SYSTEMS, AND METHODS

#2
20260063150
2026-03-05

Displacement Power Controllers and Applications

#3
20250137468
2025-05-01

FLUID CIRCUIT

#4
20250101997
2025-03-27

HYDRAULIC CYLINDER AND SYSTEM WITH PRESSURE INTENSIFICATION

#5
20250092754
2025-03-20

INTENSIFIER RAM BLOWOUT PREVENTER

#6
20250075710
2025-03-06

BOREHOLE SYSTEM HAVING CONVERTER MODULE FOR SAFETY VALVE, CONVERTER MODULE, AND METHOD

#7
20250067283
2025-02-27

INTENSIFICATION SYSTEM AND METHOD

#8
20250042383
2025-02-06

HYDRAULIC MODULE, IN PARTICULAR FOR GENERATING PRESSURE AND/OR CONTROLLING PRESSURE IN A SLIP-CONTROLLABLE BRAKE SYSTEM OF A MOTOR VEHICLE, AND MOUNTING METHOD FOR A HYDRAULIC MODULE

#9
20250003429
2025-01-02

PRESSURE SENSING DEVICE

#10
20240426322
2024-12-26

HAND-HELD PULLING AND COMPRESSION DEVICE AND HYDRAULIC FORCE AMPLIFIER

#11
20240410399
2024-12-12

Hydraulic power amplification

#12
20240401558
2024-12-05

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

#13
20240401481
2024-12-05

Hydraulic/pneumatic power generating system

#14
20240360847
2024-10-31

HYDRAULIC POWER BOOSTING SYSTEM

#15
20240240652
2024-07-18

PRESSURE MULTIPLIER

#16
20240240606
2024-07-18

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

#17
20240240605
2024-07-18

UTILIZING HYDROSTATIC AND HYDRAULIC PRESSURE TO GENERATE ENERGY, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#18
20240240536
2024-07-18

INTENSIFIER RAM BLOWOUT PREVENTER

#19
20240218886
2024-07-04

Control of a pressure exchanger system

#20
20240181669
2024-06-06

ENERGY EFFICIENT PUMP AND RELATED SYSTEMS AND METHODS

#21
20240159255
2024-05-16

Fluid circuit

#22
20240117820
2024-04-11

PISTONS FOR USE IN FLUID EXCHANGE DEVICES AND RELATED DEVICES, SYSTEMS, AND METHODS

#23
20240047117
2024-02-08

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

#24
20230258202
2023-08-17

Fluid exchange devices and related controls, systems, and methods

#25
20230131740
2023-04-27

Fluid pressure boost system and method

#26
20230020630
2023-01-19

REDUCED MIXING PRESSURE EXCHANGER

#27
20230008069
2023-01-12

Control of a pressure exchanger system

#28
20220258444
2022-08-18

Piston-cylinder assembly of a hydraulic press

#29
20220228609
2022-07-21

Power transfer unit with breakout friction reduction and leakage reduction

#30
20220194559
2022-06-23

Actuator overpressurising assembly

#31
20220170486
2022-06-02

Pistons for use in fluid exchange devices and related devices, systems, and methods

#32
20220154736
2022-05-19

FLUID EXCHANGE DEVICES AND RELATED CONTROLS, SYSTEMS, AND METHODS

#33
20210395061
2021-12-23

Clamp force control system for lift truck attachment with secondary hydraulic force control circuit

#34
20210348627
2021-11-11

Power generation system with rotary liquid piston compressor for transcritical and supercritical compression of fluids

#35
20210317908
2021-10-14

HYDRAULIC DRIVE ACCELERATOR

#36
20210301839
2021-09-30

Pressure-booster output stabilizer

#37
20210301838
2021-09-30

Pressure booster

#38
20210293258
2021-09-23

PRESSURE BOOSTER

#39
20210246912
2021-08-12

Pressure exchanger for gas processing

#40
20210239138
2021-08-05

Hydraulic pressure amplifier arrangement

#41
20210215019
2021-07-15

Quick closing valve system and methodology

#42
20210180617
2021-06-17

Fluid exchange devices and related controls, systems, and methods

#43
20210131453
2021-05-06

HYDRAULIC AMPLIFIER

#44
20210108655
2021-04-15

Pressure intensifier device, diecasting machine casting unit and operating method

#45
20210102558
2021-04-08

Pressure booster and cylinder apparatus provided with same

#46
20210033117
2021-02-04

Hydraulic intensifiers, boosters and/or controllers

#47
20200408226
2020-12-31

Hydraulic shield support system and pressure intensifier

#48
20200399981
2020-12-24

Modular hydraulic intensification system for downhole equipment function and chemical injection services

#49
20200391319
2020-12-17

Fluid transfer of suction force between drawback apparatuses

#50
20200370570
2020-11-26

Device for supplying ports to a machine section of a hydraulic machine arrangement

#51
20200332781
2020-10-22

Hydraulic pressure amplifier

#52
20200325915
2020-10-15

Hydraulic pressure amplifier arrangement

#53
20200263379
2020-08-20

Underground construction device

#54
20200248718
2020-08-06

Pressure booster

#55
20200171596
2020-06-04

Fluid transfer of suction force between drawback apparatuses

#56
20200149557
2020-05-14

Pistons for use in fluid exchange devices and related devices, systems, and methods

#57
20200132090
2020-04-30

Thrust expansion device

#58
20200132089
2020-04-30

THRUST EXPANSION DEVICE, EXPANSION UNIT, CONNECTING UNIT, AND THRUST EXPANSION SYSTEM

#59
20200116166
2020-04-16

Hydraulic pressure booster and method for the production of an axial compressive stress in a high-pressure cylinder

#60
20200063760
2020-02-27

Pressure booster

#61
20200040886
2020-02-06

Pressure reduction in high pressure processing system

#62
20200040882
2020-02-06

Gas intensifier with lubrication

#63
20200011384
2020-01-09

Fluid equipment

#64
20190271338
2019-09-05

Hydraulic actuator with cartridge pressure amplifier

#65
20190271332
2019-09-05

Hydraulic actuator with pressure amplifier

#66
20190257324
2019-08-22

Power clutch actuating device

#67
20190128437
2019-05-02

Pressure-limiting unit for a pressure booster as well as a pressure booster for driving hydraulic tools

#68
20190120258
2019-04-25

Hydraulic pressure amplifier arrangement

#69
20190107126
2019-04-11

Near Isothermal Gas Compression

#70
20190010029
2019-01-10

Expansion/contraction mechanism

#71
20180340553
2018-11-29

PRESSURE BOOSTER FOR DRIVING HYDRAULIC TOOLS

#72
20180340552
2018-11-29

Pneumatic unit for a hydropneumatic pressure booster

#73
20180333799
2018-11-22

Controlling the flow of coolant to resistance welding electrodes

#74
20180318956
2018-11-08

Systems and methods for using coolant flow sensors to determine electrode loss in resistance welding

#75
20180266446
2018-09-20

Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece

#76
20180266445
2018-09-20

Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece

#77
20180264603
2018-09-20

Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece

#78
20180252242
2018-09-06

Double acting hydraulic pressure intensifier

#79
20180252241
2018-09-06

Hydraulic pressure intensifier

#80
20180252240
2018-09-06

Pressure amplifier

#81
20180252206
2018-09-06

Pressure amplifier

#82
20180187700
2018-07-05

ULTRA-HIGH ISOSTATIC PRESSURE BOOSTER OR INTENSIFIER IN A MULTI-WALL MULTI-CHAMBER

#83
20180172029
2018-06-21

Fluid pressure cylinder

#84
20180155171
2018-06-07

Clamp force control system for lift truck attachment with secondary hydraulic force control circuit

#85
20180135400
2018-05-17

Subsea Reservoir Pressure Maintenance System

#86
20180080444
2018-03-22

System for high pressure, high shear processing of fluids

#87
20180080441
2018-03-22

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

#88
20180066680
2018-03-08

Accumulator

#89
20180051542
2018-02-22

Delivering pressurised fluid

#90
20180031165
2018-02-01

Method of dampening pressure pulsations in a working fluid within a conduit

#91
20180023597
2018-01-25

Pressure intensifier device, diecasting machine casting unit and operating method

#92
20170321728
2017-11-09

Pressure Intensifier for Fluids

#93
20170306987
2017-10-26

System for integrating valves and flow manifold into housing of pressure exchanger

#94
20170241446
2017-08-24

High-precision hydraulic actuator

#95
20170203382
2017-07-20

Fluid transfer of suction force between drawback apparatuses

#96
20170130743
2017-05-11

Pressure exchange system with hydraulic drive system

#97
20170023025
2017-01-26

Apparatus for the energy-optimized hydraulic control of at least one double-action working cylinder

#98
20160377096
2016-12-29

Fluid exchanger devices, pressure exchangers, and related methods

#99
20160348671
2016-12-01

Fluid flow rate multiplier

#100
20160311217
2016-10-27

Inner-circulation high-speed hydraulic system, hydraulic platform, and hydraulic platform assembly

#101
20160273561
2016-09-22

Control fluid power apparatus and related methods

#102
20160245267
2016-08-25

Method of dampening pressure pulsations in a working fluid within a conduit

#103
20160230786
2016-08-11

HYDRAULIC PRESSURE GENERATION UNIT WITH PNEUMATIC ACTUATION

#104
20160160882
2016-06-09

PORT GEOMETRY FOR PRESSURE EXCHANGER

#105
20160138246
2016-05-19

Regenerative machine coupling system

#106
20160097381
2016-04-07

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

#107
20160097263
2016-04-07

Morphing tubulars

#108
20160067815
2016-03-10

Systems and methods for coolant drawback

#109
20160053749
2016-02-25

Pressure intensification device

#110
20160033084
2016-02-04

Regulator apparatus having a charging valve assembly and a flow multiplier assembly

#111
20160010418
2016-01-14

Subsea pressure reduction system

#112
20150377257
2015-12-31

Subsea actuator with three-pressure control

#113
20150361967
2015-12-17

Method for the production of energy from a rolling motion

#114
20150322976
2015-11-12

Travel end expansion valve for piston type pressure converter

#115
20150322973
2015-11-12

Air-to-hydraulic fluid pressure amplifier

#116
20150322972
2015-11-12

Gas handling method for dual bottle subsea accumulators

#117
20150226238
2015-08-13

Surge brake actuator

#118
20150192017
2015-07-09

Hydrostatic energy generator

#119
20150184647
2015-07-02

MODULAR PRESSURIZATION ELEMENT IN REVERSE OSMOSIS DESALINATION

#120
20150152889
2015-06-04

System for improving the energy efficiency in hydraulic systems

#121
20150122564
2015-05-07

Hydraulic circuit for vehicle, vehicle equipped with same, and control method therefor

#122
20150104332
2015-04-16

Adaptive hydraulic pressure generator

#123
20150101822
2015-04-16

Subsea differential-area accumulator

#124
20150068199
2015-03-12

Apparatus utilizing buoyancy forces and method for using same

#125
20150053075
2015-02-26

Reversible hydraulic pressure converter employing tubular valves

#126
20150052888
2015-02-26

Hydraulic system

#127
20150034298
2015-02-05

Intensifier ram blowout preventer

#128
20140283512
2014-09-25

Hydraulic system

#129
20140260230
2014-09-18

HORIZONTAL ACTUATION COMPRESSED AIR ENERGY STORAGE SYSTEM

#130
20140255214
2014-09-11

Fracturing pump assembly and method thereof

#131
20140202545
2014-07-24

Hydraulic circuit

#132
20140166387
2014-06-19

Vehicle with a hydraulic drive system

#133
20140150421
2014-06-05

Fluid intensifier for a dry gas seal system

#134
20140109760
2014-04-24

Valve for controlling a hydropneumatic device for pressure intensifying, and hydropneumatic device for pressure intensifying with a valve

#135
20140109759
2014-04-24

Cylinder device with force multiplier

#136
20140072454
2014-03-13

High pressure intensifiers

#137
20140048143
2014-02-20

Fluid exchanger devices, pressure exchangers, and related methods

#138
20140034337
2014-02-06

Capping stack and method for controlling a wellbore

#139
20140000741
2014-01-02

Hydraulic buffer

#140
20130333364
2013-12-19

Method and system for controlling an excavator

#141
20130306890
2013-11-21

Valve assembly, in particular for use in pneumatic networks

#142
20130227941
2013-09-05

Pressure intensifier for discharging fluid at constant flow rate

#143
20130167961
2013-07-04

Tube-equipped, flanged, pressure transfer means, pressure measuring arrangement with such a tube-equipped, flanged, pressure transfer means and pressure measuring point with such a pressure measuring arrangement

#144
20130098628
2013-04-25

Subsea pressure reduction system

#145
20130098240
2013-04-25

Pressure cylinder having a hidden loop design

#146
20130061938
2013-03-14

PRESSURE CONTROLLING SYSTEM AND PRESSURE CONTROLLING METHOD

#147
20130061587
2013-03-14

System and method for recovering energy and leveling hydraulic system loads

#148
20120304633
2012-12-06

INTENSIFIER OF HYDRAULIC POWER WITH RELY WITH MAINTENANCE OF THE REACHED POSITION AND FORCE

#149
20120297759
2012-11-29

System of power generation with under water pressure of air

#150
20120279720
2012-11-08

Subsea pressure delivery system

#151
20120117970
2012-05-17

Hydraulic pressure transducer and hydraulic system

#152
20120117957
2012-05-17

Apparatus utilizing buoyancy forces and method for using same

#153
20120031089
2012-02-09

Axial bearing for use in a hydraulic device, a hydraulic transformer and a vehicle with a hydraulic drive system

#154
20120017758
2012-01-26

PRESSURE CYLINDER WITH OIL STORING FUNCTION

#155
20120009072
2012-01-12

High pressure intensifiers

#156
20110289910
2011-12-01

Differential fluid pressure energy conversion system

#157
20110247485
2011-10-13

Pressure booster and diecasting arrangement

#158
20110176940
2011-07-21

HIGH PRESSURE INTENSIFIER SYSTEM

#159
20110147002
2011-06-23

Subsea differential-area accumulator

#160
20110094280
2011-04-28

Apparatus for hydraulically actuating processing machines such as metal forming machines and method for actuating such metal forming machines

#161
20100300280
2010-12-02

Hydraulic pressure multiplier

#162
20100080718
2010-04-01

Pressure booster with double-seat valve

#163
20100050627
2010-03-04

Hydraulic circuit with variable displacement flow divider

#164
20090317267
2009-12-24

HYDRAULIC INTENSIFIERS

#165
20090304533
2009-12-10

Rotary reciprocating intensified hydraulic actuator

#166
20090178399
2009-07-16

Digital hydraulic system

#167
20090133393
2009-05-28

METHOD FOR OPERATING A HYDROPNEUMATIC DEVICE, AND HYDRAULIC FLUID PUMP FOR THE MAINTENANCE OF A HYDROPNEUMATIC DEVICE

#168
20090038470
2009-02-12

HYDRO-PNEUMATIC PRESSURE TRANSFORMATION DEVICE AND METHOD FOR OPERATION

#169
20080245067
2008-10-09

HYDROPNEUMATIC PRESSURE TRANSMISSION DEVICE

#170
20080223206
2008-09-18

Pressure booster

#171
20080164115
2008-07-10

Hydraulic circuit for controlling a hybrid clutch and an automatic transmission of a motor vehicle

#172
20080141669
2008-06-19

Device for increasing pressure in cylinders with control unit

#173
20080107548
2008-05-08

Rotary reciprocating intensified hydraulic actuator

#174
20080008601
2008-01-10

Hydraulic pressure amplifier

#175
20070120662
2007-05-31

Digital Hydraulic system

#176
20070040140
2007-02-22

High pressure intensifying piston valve

#177
20060207251
2006-09-21

Method and device for pressure amplification in cylinders, in particular hydraulic rams

#178
20060190093
2006-08-24

Method for controlling a dynamic system

#179
20060180225
2006-08-17

Impedance shaping element for a control system

#180
20060179837
2006-08-17

Actuation system with fluid transmission for interaction control and high force haptics

#181
20060073037
2006-04-06

Amplifier assembly

#182
20060037895
2006-02-23

Pressure exchange apparatus with integral pump

#183
20050265859
2005-12-01

Fluid supply unit having an integral pressure generator and pressure booster

#184
20050198955
2005-09-15

Automotive hydraulic braking system and a hydraulic brake intensifying apparatus for use therein

#185
20050144944
2005-07-07

Air-to-oil intensifying cylinder

#186
20050120714
2005-06-09

Device for transmitting a displacement of an actuator using an elastomer ring

#187
20050051014
2005-03-10

Tool arrangement and application of said tool arrangement

#188
19044871
2026-02-24

Hydraulic isolation cylinder-based system

#189
18153966
2023-09-05

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

#190
17509821
2023-01-03

Fluid pressure boost system and method