Patents-Review.com
ClassID:

142757 ⎘

F04B11/00 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20250020119
2025-01-16

TUBE PUMP SYSTEM AND CONTROL METHOD OF THE SAME

 #2
20240141879
2024-05-02

PULSATION DAMPENER FOR SINGLE USE APPLICATIONS

 #3
20240011472
2024-01-11

USING BALLOON AS DAMPER FOR PORT OF A RECIPROCATING PUMP

 #4
20230323868
2023-10-12

FUEL PUMP

 #5
20230288009
2023-09-14

DEVICE AND METHOD FOR ACTIVELY REDUCING PRESSURE VARIATIONS IN A HYDRODYNAMIC SYSTEM

 #6
20230279761
2023-09-07

SYSTEMS AND METHODS TO MONITOR, DETECT, AND/OR INTERVENE RELATIVE TO CAVITATION AND PULSATION EVENTS DURING A HYDRAULIC FRACTURING OPERATION

 #7
20230220839
2023-07-13

Mechanically driven modular diaphragm pump

 #8
20230097255
2023-03-30

Screw compressor with a shunt-enhanced decompression and pulsation trap (SEDAPT)

 #9
20230035881
2023-02-02

System to monitor cavitation or pulsation events during a hydraulic fracturing operation

 #10
20220275792
2022-09-01

Hydraulic pump motor

 #11
20220273870
2022-09-01

Pressure spike absorbing systems

 #12
20220186717
2022-06-16

Pump and associated system and methods

 #13
20220178238
2022-06-09

Hydraulic fracturing control assembly to detect pump cavitation or pulsation

 #14
20220178237
2022-06-09

Systems and methods to monitor, detect, and/or intervene relative to cavitation and pulsation events during a hydraulic fracturing operation

 #15
20220063566
2022-03-03

SENSOR SYSTEM WITH CLEANING

 #16
20210404310
2021-12-30

System of controlling a hydraulic fracturing pump or blender using cavitation or pulsation detection

 #17
20210363979
2021-11-25

Dual-stage fluidics system with reduced pulsation

 #18
20210285589
2021-09-16

Metal diaphragm damper

 #19
20210262456
2021-08-26

Mechanically driven modular diaphragm pump

 #20
20210254609
2021-08-19

Hydrostatic axial piston machine having pressure side change

 #21
20210207753
2021-07-08

Damping device

 #22
20210172430
2021-06-10

Miniature blower

 #23
20210071528
2021-03-11

Hydrostatic piston machine unit

 #24
20200362844
2020-11-19

Pulsation damper

 #25
20200355173
2020-11-12

Reciprocating pump systems

 #26
20200224647
2020-07-16

Precise control of suction damping device in a variable displacement compressor

 #27
20200206401
2020-07-02

Using balloon as damper for port of a reciprocating pump

 #28
20200173429
2020-06-04

Reciprocating pump stabilizing device

 #29
20200158142
2020-05-21

Multiport pumps with multi-functional flow paths

 #30
20200088623
2020-03-19

System and method for providing stable fluid flow

 #31
20200079483
2020-03-12

Prevention of cavitation

 #32
20190368454
2019-12-05

High-pressure fuel supply pump

 #33
20190309741
2019-10-10

Replacement tube for a cellular suction stabilizing manifold

 #34
20190293058
2019-09-26

Pulsation dampener utilizing a chargless mitigation device

 #35
20190292734
2019-09-26

METHOD AND APPARATUS FOR AVOIDING OR AMELIORATING CAVITATION IN AN ASPHALT CEMENT FLUID CIRCUIT

 #36
20190278306
2019-09-12

Pressure exchanger manifold resonance reduction

 #37
20190271331
2019-09-05

Split stream operations with pressure exchangers

 #38
20190257462
2019-08-22

System pulsation dampener device(s) substituting for pulsation dampeners utilizing compression material therein

 #39
20190195208
2019-06-27

Non-pulsation pump having stroke adjustment mechanism

 #40
20190176786
2019-06-13

Piston pump having an operating chamber with an inlet and an outlet a pressure medium connection and a connecting duct fluidly connecting the pressure medium connection to the operating chamber in an alternating controllable manner

 #41
20190170128
2019-06-06

Precise control of suction damping device in a variable displacement compressor

 #42
20190154025
2019-05-23

Mechanically driven modular diaphragm pump

 #43
20190134304
2019-05-09

Pressure spike absorbing systems

 #44
20190048899
2019-02-14

Hydraulic device that controls pulsation in first oil by increasing rotation number of second pump

 #45
20190024646
2019-01-24

High-pressure fuel pump

 #46
20180274525
2018-09-27

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

 #47
20180171995
2018-06-21

MEMBRANE PUMP

 #48
20180171992
2018-06-21

High-pressure fuel pump

 #49
20180135627
2018-05-17

Fluid working systems

 #50
20180128410
2018-05-10

Combination gas pulsation dampener, cross and strainer

 #51
20180128266
2018-05-10

Continuous sample delivery peristaltic pump

 #52
20180073500
2018-03-15

Motor/pump unit having a single elastic diaphragm

 #53
20180058432
2018-03-01

Hydrostatic axial piston machine

 #54
20180031165
2018-02-01

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

 #55
20180010602
2018-01-11

High-pressure pump and production method thereof

 #56
20170350382
2017-12-07

Bellows pump apparatus

 #57
20170321668
2017-11-09

Axial Piston Machine

 #58
20170292342
2017-10-12

Bidirectional piston seals with pressure compensation

 #59
20170291586
2017-10-12

Piston pump having a stepped piston

 #60
20170211559
2017-07-27

Pump unit with electric drive

 #61
20170191922
2017-07-06

System and method for providing stable fluid flow

 #62
20170191456
2017-07-06

High-pressure fuel supply pump

 #63
20170089189
2017-03-30

ACTIVE TORSIONAL DAMPTER FOR ROTATING SHAFTS

 #64
20170074255
2017-03-16

Fuel pump

 #65
20170009928
2017-01-12

Pulsation damping system

 #66
20160341226
2016-11-24

Controlled pump augmentation for active vibration isolation

 #67
20160327038
2016-11-10

Fluid working systems

 #68
20160319805
2016-11-03

Fluid end with modular intake manifold

 #69
20160281694
2016-09-29

System for feeding and pumping of less pumpable material in a conduit line

 #70
20160258402
2016-09-08

Automotive fuel pump

 #71
20160245267
2016-08-25

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

 #72
20160208898
2016-07-21

Hydraulic transmission

 #73
20160208796
2016-07-21

High pressure pump

 #74
20160131097
2016-05-12

High pressure pump

 #75
20160123320
2016-05-05

Pulseless rotary peristaltic pump

 #76
20160123317
2016-05-05

Peristaltic pump having reduced pulsation and use of the peristaltic pump

 #77
20160010638
2016-01-14

Fluid flow normalizer

 #78
20160003399
2016-01-07

Pulsation damper suitable for hygienic processing lines

 #79
20150361982
2015-12-17

Shunt pulsation trap for positive-displacement machinery

 #80
20150337868
2015-11-26

Hydraulic damper

 #81
20150330385
2015-11-19

Fluid handling system for a particle processing apparatus

 #82
20150275890
2015-10-01

SYSTEM AND METHOD FOR CONTROLLING AN INTEGRATED PUMP AND ENERGY RECOVERY SYSTEM

 #83
20150198158
2015-07-16

Displacement pump and a control ring for a displacement pump

 #84
20150159638
2015-06-11

Pump device

 #85
20150064027
2015-03-05

SUCTION STABILIZER FOR PUMP ASSEMBLY

 #86
20150047921
2015-02-19

Fluid flow noise mitigation structure and method

 #87
20150037168
2015-02-05

UNIVERSAL INFUSION DEVICE FOR LIQUID MEDICINES AND THE LIKE, AND METHOD FOR CONTROLLING THE EROGATION OF SUCH LIQUID MEDICINE AND THE LIKE

 #88
20150017040
2015-01-15

PULSATION DAMPER AND HIGH-PRESSURE PUMP HAVING THE SAME

 #89
20140284131
2014-09-25

Work vehicle with fluid attentuator

 #90
20140193280
2014-07-10

High-pressure fuel supply pump

 #91
20140039805
2014-02-06

Systems and methods to monitor pump cavitation

 #92
20130101441
2013-04-25

Peristaltic pumping apparatus and method

 #93
20130098456
2013-04-25

Common mode pulse damper for reciprocating pump systems

 #94
20130008512
2013-01-10

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

 #95
20120251367
2012-10-04

Pump pressure control valve with shock reduction features

 #96
20120237378
2012-09-20

Shunt pulsation trap for cyclic positive displacement (PD) compressors

 #97
20120204627
2012-08-16

Method for Establishing Cavitation in Hydrostatic Devices and Control Device

 #98
20120171069
2012-07-05

Screw compressor with a shunt pulsation trap

 #99
20120152360
2012-06-21

Pulsation dampening system for a reciprocating pump

 #100
20120087817
2012-04-12

Three element diaphragm damper for fuel pump

 #101
20120076669
2012-03-29

Peristaltic pumping apparatus and method

 #102
20120076667
2012-03-29

ELECTRIC MOTOR PUMP CONTROL INCORPORATING PUMP ELEMENT POSITION INFORMATION

 #103
20110318166
2011-12-29

Pulsation Damper Element for a Fluid Pump and Associated Fluid Pump

 #104
20110300014
2011-12-08

Rotary lobe blower (pump) or vacuum pump with a shunt pulsation trap

 #105
20110197577
2011-08-18

HYDRAULIC VIBRATION CANCELLING SYSTEM

 #106
20110110793
2011-05-12

Suction stabilizer for pump assembly

 #107
20100284827
2010-11-11

HOMOGENIZATION OF THE CONVEYING FLOW IN OSCILLATING POSITIVE DISPLACEMENT PUMPS

 #108
20100150747
2010-06-17

Pump having pulsation-reducing engagement surface

 #109
20090272260
2009-11-05

Pressure attenuated pump piston

 #110
20090269227
2009-10-29

PISTON PUMP WITH AT LEAST ONE STEPPED PISTON ELEMENT

 #111
20090214366
2009-08-27

Peristaltic pump and method of supplying fluid to a surgical area therewith

 #112
20080283250
2008-11-20

Low clearance downhole pump

 #113
20080050283
2008-02-28

Microfluidic devices and methods of use

 #114
20070204927
2007-09-06

Flow Path Device, Refrigerating Cycle Device, Pressure Pulsation Reducing Device, and Pressure Pulsation Reducing Method

 #115
20060144447
2006-07-06

Electronic proportioner using continuous metering and correction

 #116
20060124546
2006-06-15

Method and device for desalinating water while overcoming decreases in pressure

 #117
20060096558
2006-05-11

Piston engine comprising a pulsation-reducing device

 #118
20050053487
2005-03-10

Motor/pump aggregate

 #119
16879965
2024-06-11

Anti-cavitation device, fluid end, and method

 #120
15982824
2019-06-25

Peristaltic pulse dampener

 #121
14596328
2016-04-19

Hydraulically assisted steering system