Patents-Review.com
ClassID:

142764 ⎘

F04B11/0058 - CPC Classification

Classification description:

Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control

Sub-classes:
Recent Application in this class:
#1
20240280091
2024-08-22

DEVICE FOR CONTROLLING A PISTON PUMP UNIT FOR LIQUID CHROMATOGRAPHY

 #2
20240068458
2024-02-29

INLINE FLUID DISPENSE PUMP ASSEMBLY

 #3
20230332586
2023-10-19

Liquid Feeding Pump and Liquid Feeding Method

 #4
20210340973
2021-11-04

Single motor-driven dual pump detachment monitoring algorithm

 #5
20210324840
2021-10-21

Synchronization of supply flow paths

 #6
20210190049
2021-06-24

HIGH PRESSURE PUMP

 #7
20210017970
2021-01-21

Device for controlling a piston pump unit for liquid chromatography

 #8
20200362838
2020-11-19

ELECTRIC LINEAR-ACTUATOR PUMPING SYSTEM

 #9
20200278329
2020-09-03

Liquid feeding device and fluid chromatograph

 #10
20200182235
2020-06-11

Liquid delivery device

 #11
20190285064
2019-09-19

Tube pump system and method for controlling the tube pump system

 #12
20190154015
2019-05-23

Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism

 #13
20190024647
2019-01-24

Synchronization of supply flow paths

 #14
20190010940
2019-01-10

Method of pump operation, use of the method in HPLC, pump, pump system, and HPLC system

 #15
20190010935
2019-01-10

Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism

 #16
20180266412
2018-09-20

PLANT FOR CONTROLLING DELIVERY OF PRESSURIZED FLUID IN A CONDUIT, AND A METHOD OF CONTROLLING A PRIME MOVER

 #17
20180245581
2018-08-30

Liquid delivery device

 #18
20180066638
2018-03-08

High pressure pump

 #19
20180031165
2018-02-01

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

 #20
20170350382
2017-12-07

Bellows pump apparatus

 #21
20170306938
2017-10-26

Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism

 #22
20170218946
2017-08-03

Bellows pump device

 #23
20170016433
2017-01-19

Reducing fluid pressure spikes in a pumping system

 #24
20160245267
2016-08-25

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

 #25
20150314254
2015-11-05

High-pressure homogenizer

 #26
20150252796
2015-09-10

Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems

 #27
20140193275
2014-07-10

Device for controlling a piston pump unit for liquid chromatography

 #28
20130280104
2013-10-24

Methods and devices for modulation of the operating point of liquid pumps in medical treatment devices

 #29
20130039778
2013-02-14

SYSTEM AND METHOD FOR CONTROLLING LINEAR PUMP SYSTEM

 #30
20120251359
2012-10-04

Low noise high efficiency solenoid pump

 #31
20120244018
2012-09-27

Pumping devices, systems including multiple pistons and methods for use with medical fluids

 #32
20120216886
2012-08-30

Primary piston correction during transfer

 #33
20110274572
2011-11-10

Method for feeding pasty masses and pump device for feeding pasty masses

 #34
20110206541
2011-08-25

METERING PUMP DEVICE

 #35
20110132463
2011-06-09

Synchronization of supply flow paths

 #36
20110020155
2011-01-27

Ultra high pressure pump with an alternating rotation to linear displacement mechanism

 #37
20100284827
2010-11-11

HOMOGENIZATION OF THE CONVEYING FLOW IN OSCILLATING POSITIVE DISPLACEMENT PUMPS

 #38
20100275678
2010-11-04

Primary piston correction during transfer

 #39
20100252502
2010-10-07

HPLC-system with variable flow rate

 #40
20100202897
2010-08-12

HIGH PRESSURE PUMP CONTROL

 #41
20100189574
2010-07-29

HIGH PRESSURE PUMP CONTROL

 #42
20100143155
2010-06-10

Piston Pump Having A Force Sensor And A Method For Controlling Said Pump

 #43
20100034666
2010-02-11

Electronic camshaft motor control for piston pump

 #44
20080296209
2008-12-04

Liquid chromatograph device

 #45
20080206067
2008-08-28

High pressure pump control

 #46
20080170954
2008-07-17

Cylinder assembly for providing uniform flow output

 #47
20060000759
2006-01-05

Liquid feeding system

 #48
20050127088
2005-06-16

Constant pressure fluid-dispensing pumping system and method

 #49
20050061722
2005-03-24

Pump, pump for liquid chromatography, and liquid chromatography apparatus

 #50
20050023205
2005-02-03

Pump for liquid chromatography

 #51
20050019106
2005-01-27

Device for conveying powder and method for operating the same

 #52
16891890
2022-03-08

Hydraulic system for high speed reciprocating cylinders