F04B45/00 - CPC Classification Index

ClassID:

143076 ⎘

F04B45/00 - CPC Classification

Classification description:

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

Sub-classes:

F04B45/02 » having bellows 132
F04B45/04 » having plate-like flexible members, e.g. diaphragms 198
F04B45/06 » having tubular flexible members 34

Recent Application in this class:

20250188923

2025-06-12

PUMP ASSEMBLY

20180320675

2018-11-08

Inflating device

20170356435

2017-12-14

SYSTEM, METHOD, AND APPARATUS FOR UTILIZING A PUMPING CASSETTE

20170295860

2017-10-19

Inflatable garment with lightweight air pump and method of use

20170107980

2017-04-20

Inflating device

20150359956

2015-12-17

Fluid pumping apparatus for use with a removable fluid pumping cartridge

20140286794

2014-09-25

System, method, and apparatus for utilizing a pumping cassette

20140276428

2014-09-18

System, method, and apparatus for utilizing a pumping cassette

20140260556

2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#10

20140260551

2014-09-18

System, method, and apparatus for utilizing a pumping cassette

#11

20140219842

2014-08-07

High pressure bellows assembly

#12

20140194820

2014-07-10

Fluid pumping apparatus for use with a removable fluid pumping cartridge

#13

20130343936

2013-12-26

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

#14

20130039789

2013-02-14

VACUUM, PRESSURE OR LIQUID PUMP

#15

20110165001

2011-07-07

Helically actuated positive-displacement pump and method

#16

20110030819

2011-02-10

Aerating bag

#17

20100296953

2010-11-25

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

#18

20100119379

2010-05-13

Pump stand

#19

20090202367

2009-08-13

Tube occluder and method for occluding collapsible tubes

#20

20080085197

2008-04-10

Magnetostriction air pump

#21

20070084083

2007-04-19

Fluid system having an expandable pump chamber

#22

20060216173

2006-09-28

Helically actuated positive-displacement pump and method

#23

20050069425

2005-03-31

Tube occluder for occluding collapsible tubes