ClassID:

143037

F04B43/021 - CPC Classification

Classification description:

Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms the plate-like flexible member is pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the plane of the plate-like flexible member and each having its own driving mechanism

Recent Application in this class:
#1
20240141883
2024-05-02

SELF-LOCKING MEMBRANE SYSTEM

#2
20240068465
2024-02-29

Peristaltic pump

#3
20210180585
2021-06-17

MINI AIR PUMP

#4
20200355180
2020-11-12

Fluid control apparatus

#5
20200256331
2020-08-13

PERISTALTIC PUMP

#6
20190309744
2019-10-10

Miniature cooling system

#7
20190226469
2019-07-25

Pump membrane for diaphragm pump

#8
20190085842
2019-03-21

Diaphragm pump

#9
20180372083
2018-12-27

HYDRAULIC DIAPHRAGM CONTROL

#10
20180045191
2018-02-15

Pump unit and method of manufacturing same

#11
20170370355
2017-12-28

Pump, a homogenizer comprising said pump and a method for pumping a liquid product

#12
20170350385
2017-12-07

Delivery device

#13
20170074260
2017-03-16

Air pump

#14
20160319944
2016-11-03

Valve, fluid control structure, fluid device and method of manufacturing valve

#15
20160269827
2016-09-15

Operable membranes device and digital speaker comprising at least one such device

#16
20160237997
2016-08-18

Miniature pump

#17
20160047370
2016-02-18

Durable canted off-axis driver for quiet pneumatic pumping

#18
20160047365
2016-02-18

Canted off-axis driver for quiet pneumatic pumping

#19
20160003251
2016-01-07

Pump device and method for controlling the same

#20
20160003228
2016-01-07

PUMP DEVICE AND PUMP SYSTEM

#21
20150337826
2015-11-26

Compressing diaphragm pump with multiple effects

#22
20150337819
2015-11-26

Roundel structure for five-compressing-chamber diaphragm pump

#23
20150300350
2015-10-22

High-efficiency double-intake air pump

#24
20140255230
2014-09-11

MINIATURE PUMP DEVICE

#25
20140230921
2014-08-21

Adjusting device for a vehicle component

#26
20140140873
2014-05-22

Sealed diaphragm pump

#27
20140119959
2014-05-01

Miniature air pump

#28
20140119952
2014-05-01

Pump and method for operating pump

#29
20140064989
2014-03-06

High-pressure fuel pump device

#30
20140030480
2014-01-30

Multi-layer diaphragm

#31
20140010735
2014-01-09

Fluid-controlling device for microchip and use thereof

#32
20130343909
2013-12-26

Liquid feed pump and flow control device

#33
20130118621
2013-05-16

Device for transporting small volumes of a fluid, in particular a micropump or microvalve

#34
20130087226
2013-04-11

Flow cell with cavity and diaphragm

#35
20120308413
2012-12-06

Toothed wheel and pump aggregate with such a toothed wheel

#36
20110229359
2011-09-22

Diaphragm pump for a seat adjusting device and seat adjusting device

#37
20110105981
2011-05-05

DIALYSIS DEVICE

#38
20110061756
2011-03-17

Duck beak valve

#39
20100296955
2010-11-25

Linear peristaltic pump with fingers and membrane and finger for such a pump

#40
20100158708
2010-06-24

Two-stage membrane pump with economical inlet port design

#41
20090246035
2009-10-01

Pump Module Fluidically Isolated Displacement Device

#42
20080226475
2008-09-18

Disposable positive displacement dosing system

#43
20080226468
2008-09-18

Disposable positive displacement dosing pump

#44
20080203001
2008-08-28

Valves and pumps

#45
20080053310
2008-03-06

Compressors and methods for use

#46
20080050256
2008-02-28

Diaphragm pump and manufacturing device of electronic component

#47
20080024040
2008-01-31

Piezoelectric drive device and liquid discharging device

#48
20070029070
2007-02-08

Sheet type fluid circulating apparatus and electronic device cooler structure using the same