ClassID:

146171

F15B21/12 - 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 Fluid oscillators or pulse generators

Sub-classes:
Recent Application in this class:
#1
20220205467
2022-06-30

High-pressure fluid discharge device

#2
20220168697
2022-06-02

FLUIDIC OSCILATORS

#3
20220055044
2022-02-24

Fluidic Component

#4
20220025914
2022-01-27

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

#5
20210291215
2021-09-23

Intermittent air-generating device

#6
20210095701
2021-04-01

Dithering hydraulic valves to mitigate static friction

#7
20210095644
2021-04-01

THERMAL HYDRAULIC PROPULSION SYSTEM

#8
20200238304
2020-07-30

Fluidic component

#9
20190211809
2019-07-11

Thermal hydraulic propulsion system

#10
20190031321
2019-01-31

Fluidic device

#11
20180346101
2018-12-06

Thermally controlled active flow control system

#12
20180318848
2018-11-08

Fluidic Component

#13
20180286522
2018-10-04

Apparatus and method for generating a vortex cavity in a rotating fluid

#14
20180071754
2018-03-15

Cup-shaped fluidic circuit, nozzle assembly and method

#15
20180053570
2018-02-22

Modular compression chamber

#16
20180052040
2018-02-22

Fluid pulse device and method of exciting gas turbine engine turomachinery components

#17
20180031165
2018-02-01

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

#18
20170356471
2017-12-14

Hydrostatic displacement unit with reduced hysteresis

#19
20170313411
2017-11-02

Synchronization of fluidic actuators

#20
20170297680
2017-10-19

Thermally controlled active flow control system

#21
20170108020
2017-04-20

Total isolation diverter valve

#22
20170089362
2017-03-30

HYDROSTATIC DISPLACEMENT UNIT WITH REDUCED HYSTERESIS

#23
20160245267
2016-08-25

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

#24
20160019984
2016-01-21

Localised energy concentration

#25
20160012921
2016-01-14

Localised energy concentration

#26
20150369266
2015-12-24

Flow control actuator with an adjustable frequency

#27
20150204310
2015-07-23

Method and system of extracting energy from wind

#28
20150165639
2015-06-18

Arrangement for achieving a reciprocal motion in particular for a chain saw

#29
20150152899
2015-06-04

Pressure wave generator with movable control rod for generating a pressure wave in a medium

#30
20150059327
2015-03-05

DUAL CHANNEL PULSED VARIABLE PRESSURE HYDRAULIC TEST APPARATUS

#31
20140298787
2014-10-09

Pulsed hydraulic pressure amplification system

#32
20140291423
2014-10-02

Cup-shaped nozzle assembly with integral filter structure

#33
20140284430
2014-09-25

Synchronization of fluidic actuators

#34
20140263742
2014-09-18

Cup-shaped fluidic circuit with alignment tabs, nozzle assembly and method

#35
20140238009
2014-08-28

Actuator

#36
20140230915
2014-08-21

Gas delivery system for outputting fast square waves of process gas during semiconductor processing

#37
20140165552
2014-06-19

Pressure wave generator with movable control rod for generating a pressure wave in a medium

#38
20140145009
2014-05-29

Cup-shaped fluidic circuit, nozzle assembly and method

#39
20140130383
2014-05-15

Pneumatic excavation system and method of use

#40
20140130382
2014-05-15

Pneumatic excavation system and method of use

#41
20140102542
2014-04-17

Flow control actuator with an adjustable frequency

#42
20140102386
2014-04-17

Pressure pulse generator

#43
20130291981
2013-11-07

Fluid actuator for influencing the flow along a flow surface, as well as blow-out device and flow body comprising a like fluid actuator

#44
20130186667
2013-07-25

Hydraulic impact mechanism for use in equipment for treating rock and concrete

#45
20130145755
2013-06-13

Device for compacting a granular mass such as concrete cement

#46
20130112447
2013-05-09

Portable driving device

#47
20120312156
2012-12-13

Fluidic impulse generator

#48
20120037731
2012-02-16

Fluidic oscillator

#49
20110225961
2011-09-22

Pressurized Air-Spring Return Cylinder and Pneumatic Intensifier System

#50
20110125179
2011-05-26

Driving device, particularly for tattoo, dermographia and the like machines

#51
20110100468
2011-05-05

Fluidic impulse generator

#52
20100163130
2010-07-01

Pressure wave generator and controller for generating a pressure wave in a liquid medium

#53
20100107863
2010-05-06

DEVICE MEANT FOR CONTROLLING OF AN OSCILLATING CYLINDER

#54
20100059604
2010-03-11

Shower apparatus

#55
20100043895
2010-02-25

Valve assembly with low resistance pilot shifting

#56
20090211435
2009-08-27

Method and device for suppressing vibration of boom of concrete pump truck

#57
20090173070
2009-07-09

Pulse generator and impulse machine for a cutting tool

#58
20090090525
2009-04-09

Rock breaking device, protection valve and a method of operating a rock breaking device

#59
20090071323
2009-03-19

Control system for reciprocating device

#60
20080256947
2008-10-23

System for Generating High Pressure Pulses

#61
20080223206
2008-09-18

Pressure booster

#62
20080149205
2008-06-26

SYSTEM AND METHOD FOR REDUCING WAKE

#63
20080121295
2008-05-29

FLUIDIC OSCILLATOR AND DISPLAY FOUNTAIN

#64
20080110329
2008-05-15

Pressure control valve having intrinsic mechanical feedback system

#65
20080067267
2008-03-20

Cold-performance fluidic oscillator

#66
20070252018
2007-11-01

Shower device and shower booth

#67
20060260465
2006-11-23

Bi-directional pneumatic motor

#68
20060230917
2006-10-19

Continuous reciprocating linear motion device

#69
20060198486
2006-09-07

Pressure wave generator and controller for generating a pressure wave in a fusion reactor

#70
20060144218
2006-07-06

Pressure control valve having intrinsic feedback system

#71
20060137519
2006-06-29

Pressure control valve having intrinsic mechanical feedback system

#72
20060097682
2006-05-11

Actuated tether

#73
20060091242
2006-05-04

Cold-performance fluidic oscillator

#74
20060043110
2006-03-02

Spraying angular variable washer nozzle device

#75
20060024139
2006-02-02

Penumatic device for transferring materials

#76
20060005697
2006-01-12

Fluid power unit having closed circuit

#77
20050199119
2005-09-15

Shaft coupling and shifting mechanism for pneumatic pump

#78
16539180
2020-12-15

Vortex controlled variable flow resistance device and related tools and methods

#79
15876924
2019-09-17

Vortex controlled variable flow resistance device and related tools and methods

#80
15060269
2018-03-13

Vortex controlled variable flow resistance device and related tools and methods

#81
14823625
2016-04-19

Vortex controlled variable flow resistance device and related tools and methods