ClassID:

143030

F04B43/0045 - CPC Classification

Classification description:

Machines, pumps, or pumping installations having flexible working members; Special features with a number of independent working chambers which are actuated successively by one mechanism

Recent Application in this class:
#1
20260126035
2026-05-07

DIAPHRAGM ASSEMBLY AND DIAPHRAGM PUMP

#2
20250003401
2025-01-02

Bypass and demand pump and valve system for bypass and demand pump

#3
20230349372
2023-11-02

Diaphragm pump

#4
20220275798
2022-09-01

A Diaphragm Pump

#5
20220170452
2022-06-02

FLUID EJECTION APPARATUS FOR DISCREET PACKET TRANSFER OF FLUID

#6
20220154734
2022-05-19

Fluid pump having actuators including movable elements for pumping fluid in a pumping direction

#7
20220136495
2022-05-05

Four-cylinder diaphragm pump

#8
20210363983
2021-11-25

MIcro Pump Systems and Processing Techniques

#9
20210277881
2021-09-09

Piston for pump and pump

#10
20210198607
2021-07-01

MULTICOMPARTMENT MICROFLUIDIC BIOREACTORS, CYLINDRICAL ROTARY VALVES AND APPLICATIONS OF SAME

#11
20210071658
2021-03-11

Diaphragm pump

#12
20200378380
2020-12-03

Fluid control device

#13
20200318628
2020-10-08

Pump system with leak damage protection

#14
20200300235
2020-09-24

PERISTALTIC PUMP WITH TWO-PART FLUID CHAMBER AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS

#15
20200095990
2020-03-26

Twin disc pump

#16
20190264672
2019-08-29

Volumetric pump

#17
20190249128
2019-08-15

System and method for microdialysis imaging and regional fluidic delivery and control and applications of same

#18
20190136846
2019-05-09

Valve head structure for diaphragm pump and diaphragm pump having same

#19
20180363646
2018-12-20

Diaphragm pump

#20
20180298896
2018-10-18

Diaphragm compressor system and method

#21
20180298319
2018-10-18

Interconnections of multiple perfused engineered tissue constructs and microbioreactors, multi-microformulators and applications of the same

#22
20180258923
2018-09-13

Micro pump systems and processing techniques

#23
20180223828
2018-08-09

Diaphragm pump

#24
20180142684
2018-05-24

Diaphragm pump

#25
20180119694
2018-05-03

Compact pump and diaphragm assembly used therein

#26
20180100494
2018-04-12

Compressor with dual bimorph synthetic jet assemblies

#27
20170135531
2017-05-18

Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems

#28
20170130731
2017-05-11

Drip tight pump

#29
20170127956
2017-05-11

Fluid control device

#30
20170081625
2017-03-23

Interconnections of multiple perfused engineered tissue constructs and microbioreactors, multi-microformulators and applications of the same

#31
20170074260
2017-03-16

Air pump

#32
20160348670
2016-12-01

Electric pump

#33
20160265525
2016-09-15

Valve clack and air pump having same

#34
20160108903
2016-04-21

Eccentric roundel structure for three-compressing-chamber diaphragm pump

#35
20160108902
2016-04-21

Eccentric roundel structure for four-booster chamber diaphragm pump

#36
20160053441
2016-02-25

Pneumatic roadway energy recovery system

#37
20160040664
2016-02-11

Valve clack and air pump having same

#38
20160040662
2016-02-11

System and method for improved flow uniformity in a peristaltic pump mechanism

#39
20150337819
2015-11-26

Roundel structure for five-compressing-chamber diaphragm pump

#40
20150290794
2015-10-15

Pneumatic exomuscle system and method

#41
20150285238
2015-10-08

Diaphragm compressor system and method

#42
20140230921
2014-08-21

Adjusting device for a vehicle component

#43
20140119959
2014-05-01

Miniature air pump

#44
20130149172
2013-06-13

System and method for improved flow uniformity in a peristaltic pump mechanism

#45
20130017110
2013-01-17

Diaphragm pump using duckbill and other types of valves

#46
20120315166
2012-12-13

Diaphragm pump with inlet pathways passing through mounting holes

#47
20110229359
2011-09-22

Diaphragm pump for a seat adjusting device and seat adjusting device

#48
20110174400
2011-07-21

Chemical liquid feeding device

#49
20110070107
2011-03-24

Disposable pump head

#50
20110028853
2011-02-03

Check valve structure, diaphragm pump, and sphygmomanometer

#51
20100221124
2010-09-02

Fluid transporting device using conductive polymer

#52
19015541
2026-05-05

Diaphragm assembly and diaphragm pump