ClassID:

143038

F04B43/023 - CPC Classification

Classification description:

Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms double acting plate-like flexible member

Recent Application in this class:
#1
20260063117
2026-03-05

PUMP DEVICE

#2
20240376881
2024-11-14

BELLOWS FAILURE DETECTION FOR A PUMP

#3
20240035464
2024-02-01

DIAPHRAGM PUMP AND LIQUID DISCHARGE APPARATUS INCLUDING DIAPHRAGM PUMP

#4
20230151810
2023-05-18

Agricultural Sampling System and Related Methods

#5
20230128641
2023-04-27

PURGE VALVE ASSEMBLIES

#6
20220268267
2022-08-25

Multiple diaphragm pump with magnetic actuation of the spool valve to avoid a dead zone

#7
20210363983
2021-11-25

MIcro Pump Systems and Processing Techniques

#8
20210131416
2021-05-06

Pump

#9
20200377839
2020-12-03

Method of actuation of an alternating tangential flow diaphragm pump

#10
20200200162
2020-06-25

Fluid movement device

#11
20190376506
2019-12-12

Disc pump with advanced actuator

#12
20190093651
2019-03-28

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

#13
20190040859
2019-02-07

Method of actuation of an alternating tangential flow diaphragm pump

#14
20180258923
2018-09-13

Micro pump systems and processing techniques

#15
20180223827
2018-08-09

Pump having a suction space surrounded by a delivery space

#16
20180066650
2018-03-08

Pump

#17
20180058439
2018-03-01

Disc pump with advanced actuator

#18
20170350385
2017-12-07

Delivery device

#19
20170287595
2017-10-05

Submersible power cable

#20
20170260975
2017-09-14

Diaphragm type fuel pump for general purpose engine

#21
20170058884
2017-03-02

Blower

#22
20170058883
2017-03-02

Membrane vacuum pump

#23
20160237999
2016-08-18

System and method for cooling electrical components using an electroactive polymer actuator

#24
20160108904
2016-04-21

Pulseless positive displacement pump and method of pulselessly displacing fluid

#25
20160003232
2016-01-07

Disc pump with advanced actuator

#26
20150226207
2015-08-13

Hydraulic drive system for a pulseless positive displacement pump

#27
20150226205
2015-08-13

Mechanical drive system for a pulseless positive displacement pump

#28
20150226192
2015-08-13

Electric drive system for a pulseless positive displacement pump

#29
20150211509
2015-07-30

MULTIPLE DIAPHRAGM PUMP

#30
20150071797
2015-03-12

Blower

#31
20140224116
2014-08-14

Journal-less crankshaft and non-friction variable speed transmission with inherent clutch and free spin

#32
20140119952
2014-05-01

Pump and method for operating pump

#33
20130236338
2013-09-12

Disc pump with advanced actuator

#34
20120266749
2012-10-25

Reciprocation pump and a dialysis apparatus equipped with the reciprocation pump

#35
20120240891
2012-09-27

Positive displacement motor with applications including internal and external combustion

#36
20120219441
2012-08-30

Hand pump for priming a fuel or filter system

#37
20120100022
2012-04-26

Diaphragm machine with a plurality of pump chambers

#38
20110081834
2011-04-07

Method and apparatus for working on workpieces with a water jet that contains abrasive and emerges under high pressure from a nozzle

#39
20110033316
2011-02-10

SYSTEM FOR CONTROLLING THE STROKE OF AN AIR-OPERATED DOUBLE DIAPHRAGM PUMP

#40
20110011053
2011-01-20

Adiabatic external combustion with low pressure positive displacement motor

#41
20100243545
2010-09-30

Positive displacement motor and pumping apparatus

#42
20080240942
2008-10-02

Diaphragm pump for pumping a fluid

#43
20080038125
2008-02-14

Piezoelectric pump and piezoelectric vibrator

#44
20070215150
2007-09-20

Inhalation therapy device compressor

#45
20070065310
2007-03-22

Diaphragm pump

#46
20070065309
2007-03-22

Diaphragm pump

#47
15982824
2019-06-25

Peristaltic pulse dampener