Patents-Review.com
ClassID:

142758 ⎘

F04B11/0008 - CPC Classification

Classification description:

Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators

Sub-classes:
Recent Application in this class:
#1
20250213774
2025-07-03

DAMPENING ELEMENT FOR FLUID MANAGEMENT SYSTEM

 #2
20250188914
2025-06-12

FLUIDIC METHODS AND DEVICES

 #3
20240011472
2024-01-11

USING BALLOON AS DAMPER FOR PORT OF A RECIPROCATING PUMP

 #4
20230012746
2023-01-19

Fluidic methods and devices

 #5
20220290545
2022-09-15

Hydraulic Drive Train for a Frac Pump

 #6
20220228469
2022-07-21

Low-pressure liquid inlet manifold and fracturing apparatus

 #7
20220186717
2022-06-16

Pump and associated system and methods

 #8
20220025909
2022-01-27

Active accumulator

 #9
20210372353
2021-12-02

High-pressure fuel pump

 #10
20210310481
2021-10-07

Pneumatic surge suppressor

 #11
20210293111
2021-09-23

Reliability assessable systems for actuating hydraulically actuated devices and related methods

 #12
20210254609
2021-08-19

Hydrostatic axial piston machine having pressure side change

 #13
20200406277
2020-12-31

Buffered pump system

 #14
20200318627
2020-10-08

Pump

 #15
20200206401
2020-07-02

Using balloon as damper for port of a reciprocating pump

 #16
20200200313
2020-06-25

Dampening element for fluid management system

 #17
20200199960
2020-06-25

RELIABILITY ASSESSABLE SYSTEMS FOR ACTUATING HYDRAULICALLY ACTUATED DEVICES AND RELATED METHODS

 #18
20200164124
2020-05-28

FLUID DRIVING DEVICE

 #19
20200132237
2020-04-30

Mini-dampeners at pump combined with system pulsation dampener

 #20
20200116139
2020-04-16

Fluidic methods and devices

 #21
20200063727
2020-02-27

Methods and devices for fluid driven adult devices

 #22
20200033899
2020-01-30

Automatic system profiling for a well system

 #23
20190376472
2019-12-12

High-pressure pump

 #24
20190293058
2019-09-26

Pulsation dampener utilizing a chargless mitigation device

 #25
20190050004
2019-02-14

Active surge chamber

 #26
20190024646
2019-01-24

High-pressure fuel pump

 #27
20190003475
2019-01-03

Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism

 #28
20180274525
2018-09-27

Diaphragm cell for damping pressure pulsations in a low-pressure region of a piston pump

 #29
20180238323
2018-08-23

Method for operating a device for the dosed supply of a liquid

 #30
20180195478
2018-07-12

Diaphragm damper device coiled wave spring and damper system

 #31
20180093593
2018-04-05

DEVICE FOR DAMPING PRESSURE FLUCTUATIONS

 #32
20180058432
2018-03-01

Hydrostatic axial piston machine

 #33
20170292485
2017-10-12

High pressure pump for complex injection engines

 #34
20170276130
2017-09-28

Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism

 #35
20170101986
2017-04-13

Device and method for damping pressure fluctuations in the delivery line of a thick-matter pump

 #36
20170089328
2017-03-30

Fluid pressure producing method and fluid pressure producing device

 #37
20170067456
2017-03-09

Dampening apparatus

 #38
20170009928
2017-01-12

Pulsation damping system

 #39
20160366788
2016-12-15

Liquid supply mechanism and liquid cooling system

 #40
20160341347
2016-11-24

Manifold and methods of manufacturing same

 #41
20160305317
2016-10-20

Engine

 #42
20160230726
2016-08-11

Fluid conveyance system for a fluid

 #43
20150337868
2015-11-26

Hydraulic damper

 #44
20150275445
2015-10-01

Vehicle for line marking

 #45
20150267854
2015-09-24

Gas spring accumulator

 #46
20150260182
2015-09-17

Pulsation damper

 #47
20150246490
2015-09-03

Compressor system, and puncture repair kit using same

 #48
20150017041
2015-01-15

Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism

 #49
20140219848
2014-08-07

Hydraulic motor-pump with fixed or variable displacement

 #50
20140130887
2014-05-15

Manifold and methods of manufacturing same

 #51
20140088468
2014-03-27

Methods and devices for fluid driven adult devices

 #52
20140088351
2014-03-27

Fluidic methods and devices

 #53
20130230417
2013-09-05

Pulsation damper

 #54
20130209289
2013-08-15

Three element diaphragm damper for fuel pump

 #55
20130098456
2013-04-25

Common mode pulse damper for reciprocating pump systems

 #56
20130008512
2013-01-10

Pump pulsation discharge dampener with curved internal baffle and pressure drop feature creating two internal volumes

 #57
20120087817
2012-04-12

Three element diaphragm damper for fuel pump

 #58
20120084986
2012-04-12

Dust collecting vacuum hose attachment

 #59
20110197577
2011-08-18

HYDRAULIC VIBRATION CANCELLING SYSTEM

 #60
20110196303
2011-08-11

Flow pulsatility dampening devices

 #61
20110110807
2011-05-12

High-pressure pump

 #62
20090304532
2009-12-10

MULTIPLE MEMBRANE PUMP FOR FOOD LIQUIDS AND THE LIKE

 #63
20090269230
2009-10-29

Piston pump with at least one piston element

 #64
20090060728
2009-03-05

Pumps and pump-heads comprising internal pressure-absorbing member

 #65
20080047611
2008-02-28

Fluid pump having low pressure metering and high pressure delivering

 #66
20060193738
2006-08-31

Pump apparatus and method for continuously conveying a viscous material

 #67
20050271533
2005-12-08

Pump apparatus

 #68
20050191194
2005-09-01

Low power electromagnetic pump having internal compliant element

 #69
20050129549
2005-06-16

Hydro damper

 #70
20050053469
2005-03-10

Multiple-compressor system having base and trim compressors

 #71
15982824
2019-06-25

Peristaltic pulse dampener