ClassID:

143035

F04B43/009 - CPC Classification

Classification description:

Machines, pumps, or pumping installations having flexible working members; Special features systems, control, safety measures leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid

Recent Application in this class:
#1
20240376888
2024-11-14

PROTECTION OF MAKE-UP SYSTEM FOR HIGH PRESSURE BELLOWS-STYLE PUMP SYSTEM

#2
20240271611
2024-08-15

PUMP UNIT, STORAGE DEVICE EQUIPPED THEREWITH, AND METHOD FOR OPERATING THE STORAGE DEVICE

#3
20240141883
2024-05-02

SELF-LOCKING MEMBRANE SYSTEM

#4
20230349372
2023-11-02

Diaphragm pump

#5
20230250815
2023-08-10

LEAK DETECTION FROM DIAPHRAGM COMPRESSOR

#6
20230250814
2023-08-10

Leak detection for air operated double diaphragm pump

#7
20220186717
2022-06-16

Pump and associated system and methods

#8
20220025878
2022-01-27

Diaphragm pump leak detection

#9
20210372392
2021-12-02

Tube pump system

#10
20210372382
2021-12-02

Refrigerant compressor seal arrangements

#11
20210310473
2021-10-07

Heat-driven pumping system

#12
20210270254
2021-09-02

DOUBLE MEMBRANE PUMP FOR USE IN A HOMOGENISING APPARATUS OF A FLUID PRODUCT AND METHOD FOR DETECTING LEAKAGES IN SAID PUMP

#13
20210199103
2021-07-01

Diaphragm pump leak detection

#14
20210079910
2021-03-18

Self-regulating bimetallic diaphragm pump

#15
20200325886
2020-10-15

Diaphragm rupture monitoring

#16
20200318628
2020-10-08

Pump system with leak damage protection

#17
20200064036
2020-02-27

Refrigerant leak detection by use of fluid additive

#18
20200003192
2020-01-02

Refrigerant compressor seal arrangements

#19
20200000991
2020-01-02

Contact protection apparatus for a medical fluid-conducting cassette and cassette

#20
20190383279
2019-12-19

FLUID PUMPS AND RELATED SYSTEMS AND METHODS

#21
20190331108
2019-10-31

Compressor provided with safety relief valve assembly

#22
20190264674
2019-08-29

Subsea Charge Pump

#23
20190195216
2019-06-27

Double membrane for a dust pump

#24
20190168501
2019-06-06

Ink pumping

#25
20180347557
2018-12-06

Fluid transportation device

#26
20180245577
2018-08-30

Fluid transportation device comprising a valve body, a valve membrane, a valve chamber seat, and an actuator each sequentially stacked within a accommodation space of an outer sleeve having a ring-shaped protrusion structure

#27
20180195506
2018-07-12

Pump system

#28
20180187937
2018-07-05

Refrigerant leak detection by use of fluid additive

#29
20180135616
2018-05-17

DIAPHRAGM COMPRESSOR WITH AN OBLONG SHAPED CHAMBER

#30
20180066804
2018-03-08

Liquid detection device with wireless communicator

#31
20180058436
2018-03-01

Diaphragm with edge seal

#32
20170370355
2017-12-28

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

#33
20170342973
2017-11-30

Infusion pump

#34
20170198686
2017-07-13

Rotary pump

#35
20170037840
2017-02-09

Diaphragm pump with reduced leak extension in the event of overload

#36
20170016440
2017-01-19

Conductivity sensor, and a pump comprising such sensor

#37
20160312774
2016-10-27

End fitting for a tube housed by a cavity and a method of installing a tube in a cavity

#38
20160230752
2016-08-11

Pump system and pump abnormality detection method

#39
20150354554
2015-12-10

Piston pump arrangement for hygienic processing applications

#40
20140294633
2014-10-02

Peristaltic pump having a leaking tube detecting chamber

#41
20140294608
2014-10-02

Leak detector for a persitaltic pump

#42
20140050599
2014-02-20

Sprocket-driven air pump

#43
20140023531
2014-01-23

Electromagnetic vibrating diaphragm pump with function preventing fluid leakage to electromagnetic portion

#44
20140010675
2014-01-09

Pump for sterilisation apparatus

#45
20130183172
2013-07-18

Device for detecting breakage of a diaphragm in a hydraulically-actuated pump, a method of mounting such a device on a pump, and a pump fitted with such a device

#46
20130030404
2013-01-31

Contact protection apparatus for a medical fluid-conducting cassette and cassette

#47
20120269658
2012-10-25

Diaphragm pump with high suction capacity

#48
20120011998
2012-01-19

MEMBRANE PUMP HEAD FOR A HOMOGENIZER OR A HIGH-PRESSURE PUMP

#49
20110280747
2011-11-17

Pump with an elastic membrane and hydraulic control

#50
20090196771
2009-08-06

Pumping device

#51
20060140779
2006-06-29

Peristaltic injector pump leak monitor

#52
20050265862
2005-12-01

Pump

#53
20050226743
2005-10-13

Pump diaphragm rupture detection

#54
20050118030
2005-06-02

Blood component processing systems and methods using fluid-actuated pumping elements that are integrity tested prior to use

#55
20050115402
2005-06-02

Pump diaphragm rupture detection