ClassID:

143052

F04B43/084 - CPC Classification

Classification description:

Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular member being deformed by stretching or distortion

Recent Application in this class:
#1
20260104042
2026-04-16

PUMP

#2
20250290501
2025-09-18

Strain-Actuated Microfluidic Pump Sensor

#3
20250230804
2025-07-17

INFLATION APPARATUS

#4
20240309862
2024-09-19

BELLOWS PUMP FOR LIQUID METALS

#5
20240167467
2024-05-23

LONGITUDINAL IMPEDANCE PUMP

#6
20240044325
2024-02-08

BELLOWS PUMP DEVICE

#7
20230235973
2023-07-27

Guidance unit (MK-1) and arcwing circulating power guidance system with the guidance unit (MK-1)

#8
20230131569
2023-04-27

TORSION PUMP AND CHEMICAL LIQUID SUPPLY UNIT

#9
20230072779
2023-03-09

PUMP, CHEMICAL LIQUID SUPPLYING UNIT, AND SUBSTRATE TREATING APPARATUS

#10
20230060309
2023-03-02

TORSION PUMP, CHEMICAL LIQUID SUPPLYING APPARATUS, AND SUBSTRATE TREATING APPARATUS

#11
20220381344
2022-12-01

Conveyor device having an elestically deformable element with a counter surface extending over three arc sections

#12
20220372958
2022-11-24

PUMP CONTAINER

#13
20220364556
2022-11-17

CONVEYOR DEVICE AT LEAST FOR CONVEYING A FLUID AND PUMP COMPRISING SUCH A CONVEYOR DEVICE

#14
20210199102
2021-07-01

Bellows pressure relief valve

#15
20210131418
2021-05-06

Fluid pump with dual plungers and related systems and methods

#16
20200277947
2020-09-03

Tubephragm pump

#17
20200256330
2020-08-13

Tube body and pumping device

#18
20200182237
2020-06-11

Pump for a selective catalytic reduction (SCR) system in vehicles comprising at least one pump element comprising a pump piston, a spring bellow, and an actuation tappet under force of a compression spring surrounding the spring bellow

#19
20200149523
2020-05-14

Positive displacement pump

#20
20190383280
2019-12-19

Fluid pumps and related systems and methods

#21
20190301441
2019-10-03

Clamping device for a delivery device

#22
20190257303
2019-08-22

Collapsing beam pump

#23
20180023555
2018-01-25

PUMP FOR OPERATION IN RADIOACTIVE ENVIRONMENT

#24
20170328358
2017-11-16

Water pump assembly

#25
20170211570
2017-07-27

Check valve and liquid supply apparatus having the same

#26
20170175728
2017-06-22

Bellows pressure relief valve

#27
20170167475
2017-06-15

Liquid supply system

#28
20160312805
2016-10-27

FOAM PUMP

#29
20160298621
2016-10-13

Pump for a selective catalytic reduction (SCR) system in vehicles comprising at least one pump element comprising a pump piston, a spring bellow, and an actuation tappet under force of a compression spring surrounding the spring bellow

#30
20160123316
2016-05-05

Pipe pump system

#31
20160116845
2016-04-28

Liquid delivery method, liquid delivery system, and computer-readable storage medium

#32
20160040662
2016-02-11

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

#33
20150369234
2015-12-24

METERING PUMP

#34
20150147209
2015-05-28

Downhole radially actuated longitudinal diaphragm pump

#35
20140294633
2014-10-02

Peristaltic pump having a leaking tube detecting chamber

#36
20140255220
2014-09-11

Pump and check ring thereof

#37
20140228758
2014-08-14

Elastomeric infusion pump

#38
20140079573
2014-03-20

Pump for transfer of liquids containing suspended solids

#39
20130336824
2013-12-19

Bellows pump system

#40
20130233419
2013-09-12

Milking installation with milk pump

#41
20130149172
2013-06-13

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

#42
20130045123
2013-02-21

Internal bellows pump fluid path

#43
20120241469
2012-09-27

Chemical liquid supply device and chemical liquid supply method

#44
20120087809
2012-04-12

Pipe pump system

#45
20120056509
2012-03-08

MECHANO-SENSITIVE ACTUATOR ARRAY

#46
20110318207
2011-12-29

Bellows pump

#47
20110105846
2011-05-05

ACTUATOR SYSTEM AND ENDOSCOPE APPARATUS

#48
20100286597
2010-11-11

DC-AC frequency converter type mucus suction device

#49
20100229978
2010-09-16

Infusion pump actuators, system and method for controlling medical fluid flowrate

#50
20100209269
2010-08-19

ALTERNATIVE PISTON PUMP FOR MACHINES DISPENSING DYES, PAINTS OR SIMILAR PRODUCTS

#51
20100209263
2010-08-19

MODULAR FLUID PUMP WITH CARTRIDGE

#52
20100137781
2010-06-03

Bubble-type nose cleaner

#53
20100119394
2010-05-13

Cylinder piston arrangement for a fluid pump or a fluid motor

#54
20100119392
2010-05-13

Reciprocating pump

#55
20100092309
2010-04-15

DRINKING STRAW PUMP APPARATUS AND METHOD FOR USING

#56
20100076413
2010-03-25

Diaphragm drug pump

#57
20100059549
2010-03-11

APPARATUS AND METHOD FOR DOSING OF LIQUIDS IN GAS FILLED SPACES

#58
20100028179
2010-02-04

Chemical liquid supplying apparatus

#59
20100026143
2010-02-04

Monolithic electroactive polymers

#60
20090312709
2009-12-17

Self-contained pump

#61
20090304537
2009-12-10

PNEUMATIC CHEMICAL PUMP

#62
20090142205
2009-06-04

Chemical liquid supplying apparatus and pump assembly

#63
20090136370
2009-05-28

Fluid dispenser comprising a bellows

#64
20090123312
2009-05-14

Chemical liquid supplying apparatus

#65
20090010778
2009-01-08

Diaphragm pumping device

#66
20080190285
2008-08-14

DIAPHRAGM DELIVERY PUMP AND PUMPING DIAPHRAGM FOR A DIAPHRAGM DELIVERY PUMP

#67
20080175731
2008-07-24

Transfer pump for injection of fuel at high pressure

#68
20080145248
2008-06-19

Liquid chemical supply system and liquid chemical supply control device

#69
20080008605
2008-01-10

Transfer pump with several pistons

#70
20070217929
2007-09-20

Diaphragm pumping device

#71
20070178000
2007-08-02

Plunger pump with atmospheric bellows

#72
20070177998
2007-08-02

Liquid chemical supply system

#73
20070164641
2007-07-19

Electroactive polymer devices for moving fluid

#74
20060280633
2006-12-14

Tube pummp

#75
20060255069
2006-11-16

Container apparatus for storing and dispensing liquid

#76
20060165541
2006-07-27

Bellows Pump

#77
20060158065
2006-07-20

Electroactive polymer devices for moving fluid

#78
20060074325
2006-04-06

Air pump, pump system, electronic blood pressure monitor, and massager

#79
20050248634
2005-11-10

Pressurizing pump device, liquid ejection apparatus and method of controlling pressurizing pump

#80
20050238512
2005-10-27

Apparatus for fluid storage and delivery at a substantially constant pressure

#81
20050238504
2005-10-27

Flexible tank and a chemical liquid supply apparatus using the same

#82
20050191195
2005-09-01

Dual reciprocating bellows pump with interlock shaft means

#83
20050084394
2005-04-21

Fuel pump override system

#84
20050065500
2005-03-24

Electroactive polymer actuated medication infusion pumps

#85
20050031475
2005-02-10

Bellows pump