ClassID:

143077

F04B45/02 - CPC Classification

Classification description:

Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows

Sub-classes:
Recent Application in this class:
#1
20260092599
2026-04-02

PUMPING DEVICE

#2
20260036122
2026-02-05

BLOOD TREATMENT SYSTEMS AND METHODS

#3
20260022693
2026-01-22

PUMP, CHEMICAL SUPPLY UNIT, AND SUBSTRATE TREATMENT APPARATUS

#4
20250283458
2025-09-11

LONG-LIFE NON-CONTACT PUMP

#5
20250129977
2025-04-24

Compressor Device and a Cooling Device Having the Compressor Device

#6
20250122871
2025-04-17

PUMPING CASSETTE

#7
20240418159
2024-12-19

Miniature pump

#8
20240287981
2024-08-29

LIQUID CONTAINER SYSTEM

#9
20240280096
2024-08-22

LIQUID CONTAINER SYSTEM

#10
20240077069
2024-03-07

BLOOD TREATMENT SYSTEMS AND METHODS

#11
20240066197
2024-02-29

Pumping cassette

#12
20230400019
2023-12-14

Fluid pumping systems, devices and methods

#13
20230287876
2023-09-14

BLOOD TREATMENT SYSTEMS AND METHODS

#14
20230204085
2023-06-29

Elastic member and pump assembly including the same

#15
20230204043
2023-06-29

Sealing member and submerged pump system

#16
20230204036
2023-06-29

SEALING MEMBER AND SUBMERGED PUMP SYSTEM

#17
20230100392
2023-03-30

VARIABLE VOLUME DEVICE, SEALED TANK SYSTEM AND METHOD FOR MANUFACTURING BELLOWS

#18
20230074980
2023-03-09

Compressible mechanism for extracting fluid products for a range of packaging

#19
20220355006
2022-11-10

PUMPING CASSETTE

#20
20220331833
2022-10-20

Liquid Supplying Device

#21
20220236093
2022-07-28

Liquid feeding pump, dispensing system and washing device

#22
20220213885
2022-07-07

System and method for managing liquid waste

#23
20220154712
2022-05-19

Vacuum pump

#24
20210340971
2021-11-04

Elastic member and pump assembly including the same

#25
20210285435
2021-09-16

Fluid pumping systems, devices and methods

#26
20210215445
2021-07-15

Heat exchanger array system and method for an air thermal conditioner

#27
20210148347
2021-05-20

Fluid pump

#28
20210146028
2021-05-20

Pumping cassette

#29
20210131418
2021-05-06

Fluid pump with dual plungers and related systems and methods

#30
20210071659
2021-03-11

Internally tensioned inflatable structure that is posable in multiple positions

#31
20200288691
2020-09-17

Fishing Bait Inflator and Method of Using the Same

#32
20200277947
2020-09-03

Tubephragm pump

#33
20200217312
2020-07-09

SQUEEZE-TYPE PUMP

#34
20200217186
2020-07-09

Dual-pressure boosting liquid partition device, system , fleet and use

#35
20200191132
2020-06-18

Pumping cassette

#36
20200171226
2020-06-04

Automated control mechanisms and methods for controlling fluid flow in a hemodialysis apparatus

#37
20200139031
2020-05-07

System for monitoring and controlling fluid flow in a hemodialysis apparatus

#38
20200121837
2020-04-23

Muscle-powered pulsation device for long-term cardiac support

#39
20200116141
2020-04-16

High pressure pump and method for compressing a fluid

#40
20200025191
2020-01-23

Electrochemically actuated pump

#41
20200011322
2020-01-09

LIQUID SUPPLY SYSTEM

#42
20190383280
2019-12-19

Fluid pumps and related systems and methods

#43
20190195217
2019-06-27

Vacuum pump

#44
20190186483
2019-06-20

Pumping cassette

#45
20190126105
2019-05-02

Inflation needle

#46
20190093223
2019-03-28

Vacuum treatment apparatus

#47
20190077494
2019-03-14

STRAIGHT LINE GORE, METHOD FOR MAKING THE SAME AND ASSEMBLIES INCLUDING THE SAME

#48
20190063428
2019-02-28

Pump piston

#49
20180372084
2018-12-27

CASSETTE SYSTEM INTEGRATED APPARATUS

#50
20180328353
2018-11-15

DEVICE FOR SUCTIONING GASEOUS OR LIQUID MEDIA

#51
20180320675
2018-11-08

Inflating device

#52
20180051692
2018-02-22

Volume pump including a bellows and a suction valve and a discharge valve wherein the valves comprise a valve seat and a valve body and wherein a fixed section of the valve body includes a communicating flow path

#53
20180038357
2018-02-08

Pumping cassette

#54
20180000627
2018-01-04

Vacuum splint apparatus for accessing the neck of a patient and method for using the same

#55
20170356435
2017-12-14

SYSTEM, METHOD, AND APPARATUS FOR UTILIZING A PUMPING CASSETTE

#56
20170326282
2017-11-16

Automated control mechanisms in a hemodialysis apparatus

#57
20170313286
2017-11-02

System and method for cleaning a vehicle-mounted sensor

#58
20170156912
2017-06-08

Vacuum splint apparatus and method for using the same

#59
20170130705
2017-05-11

Pumping cassette

#60
20170107980
2017-04-20

Inflating device

#61
20170074260
2017-03-16

Air pump

#62
20170050716
2017-02-23

Straight line gore, method for making the same and assemblies including the same

#63
20170045045
2017-02-16

TELESCOPIC PUMP

#64
20170009761
2017-01-12

Hydraulically driven bellows pump

#65
20160341498
2016-11-24

Membrane heat exchanger system and method

#66
20160341224
2016-11-24

Near-isothermal compressor/expander

#67
20160333872
2016-11-17

Electrochemically actuated pump

#68
20160265109
2016-09-15

Vacuum treatment apparatus

#69
20160262568
2016-09-15

Hot beverage maker with cleaning apparatus and related method

#70
20160208791
2016-07-21

Apparatus for pumping fluid

#71
20160175505
2016-06-23

Pumping cassette

#72
20160088896
2016-03-31

PUMPED AIR COOLING SHOE SYSTEM AND METHOD

#73
20150359956
2015-12-17

Fluid pumping apparatus for use with a removable fluid pumping cartridge

#74
20150351488
2015-12-10

Article of footwear and pump unit

#75
20150196698
2015-07-16

Cassette system integrated apparatus

#76
20150125319
2015-05-07

Pumping cassette

#77
20150071801
2015-03-12

Venting bellow pump system

#78
20150013333
2015-01-15

Heat recovery system for an internal combustion engine

#79
20140345652
2014-11-27

Hot beverage maker with cleaning apparatus and related method

#80
20140301867
2014-10-09

Balloon pressure pump

#81
20140276428
2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#82
20140260556
2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#83
20140260551
2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#84
20140248163
2014-09-04

Variable capacity compressor having a control valve with channels

#85
20140241922
2014-08-28

Structure of simplified inflation valve

#86
20140224359
2014-08-14

Universal wet/dry transfer pump

#87
20140219842
2014-08-07

High pressure bellows assembly

#88
20140147318
2014-05-29

Bellows for a pump device

#89
20140145102
2014-05-29

VALVES AND PUMPS USING SAID VALVES

#90
20140083288
2014-03-27

Bellows and method for manufacturing same

#91
20130343936
2013-12-26

Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas

#92
20130336824
2013-12-19

Bellows pump system

#93
20130312452
2013-11-28

Expander system

#94
20130202467
2013-08-08

Pump and valve combination for an article of footwear incorporating an inflatable bladder

#95
20130045123
2013-02-21

Internal bellows pump fluid path

#96
20120207627
2012-08-16

Pumping cassette

#97
20120152404
2012-06-21

Delivery for deliver fluid products and method of using

#98
20120145263
2012-06-14

Device and method to deliver fluid products

#99
20120123559
2012-05-17

PUMP COMPRISING A MOVING WALL AND USE OF A PUMP OF THIS TYPE

#100
20120116299
2012-05-10

Flexible drive for breast pump

#101
20120073702
2012-03-29

INFLATION KIT

#102
20120014824
2012-01-19

Pump device and methods for making the same

#103
20120000837
2012-01-05

Multi-stage pump system

#104
20110318207
2011-12-29

Bellows pump

#105
20110299358
2011-12-08

Cassette system integrated apparatus

#106
20110031278
2011-02-10

Pump device and methods for making the same

#107
20110030819
2011-02-10

Aerating bag

#108
20100296954
2010-11-25

Flexible chamber

#109
20100296953
2010-11-25

Pump chamber configured to contain a residual fluid volume for inhibiting the pumping of a gas

#110
20100021311
2010-01-28

MRI compatible programmable valve pump

#111
20090324431
2009-12-31

Apparatus for pumping a fluid

#112
20090269229
2009-10-29

Pump for drawing fluid

#113
20090202367
2009-08-13

Tube occluder and method for occluding collapsible tubes

#114
20090165640
2009-07-02

Booster pump and low-temperature-fluid storage tank having the same

#115
20090162229
2009-06-25

PUMP STRUCTURE CONNECTABLE WITH AN AIR CUSHION OR A BLADDER

#116
20090155098
2009-06-18

Pump structure connectable with an air cushion or a bladder

#117
20090004033
2009-01-01

Pumping cassette

#118
20080314932
2008-12-25

Pumping dispenser for viscous liquids

#119
20080304987
2008-12-11

Bladder-Inflating Structure

#120
20080253912
2008-10-16

Pumping cassette

#121
20080253911
2008-10-16

Pumping Cassette

#122
20080208111
2008-08-28

Peritoneal dialysis sensor apparatus systems, devices and methods

#123
20080208103
2008-08-28

Pumping cassette

#124
20080202591
2008-08-28

Cassette system integrated apparatus

#125
20080199335
2008-08-21

VACUUM STORAGE CONTAINER WITH INTEGRATED PUMP

#126
20070203438
2007-08-30

AIR CONTROLLED MASSAGE SYSTEM WITH MOTORIZED DRIVE MECHANISM

#127
20070196222
2007-08-23

Pump comprising a moving wall and use of a pump of this type

#128
20070104601
2007-05-10

Vacuum bellows

#129
20070071623
2007-03-29

Pump structure easily and quickly connectable with an air cushion or a bladder

#130
20060265835
2006-11-30

ROTARY ENGINES

#131
20060071965
2006-04-06

Pump control mechanism, printer incorporating the same, and pump control method

#132
20050246859
2005-11-10

Rotary engines

#133
20050241102
2005-11-03

Vacuum cleaners especially quiet vacuum cleaners, pumps, and engines

#134
20050101892
2005-05-12

Air controlled massage system with motorized drive mechanism

#135
20050101891
2005-05-12

Air controlled massage system

#136
20050069425
2005-03-31

Tube occluder for occluding collapsible tubes

#137
20050065500
2005-03-24

Electroactive polymer actuated medication infusion pumps

#138
20050002810
2005-01-06

Portable vacuum system