ClassID:

143480

F04C5/00 - CPC Classification

Classification description:

Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable

Recent Application in this class:
#1
20250347277
2025-11-13

PUMPS

#2
20250154953
2025-05-15

PUMPS

#3
20240410365
2024-12-12

Rotary fluid transfer pump apparatus, kit and system

#4
20240401590
2024-12-05

CONDENSATE PUMP ASSEMBLY

#5
20240286158
2024-08-29

DEVICES FOR DISPENSING FLUIDS

#6
20240280100
2024-08-22

Pump with a deformable diaphragm

#7
20240263633
2024-08-08

FLUID TRANSFER PUMP

#8
20240240636
2024-07-18

PUMPS

#9
20240240635
2024-07-18

PUMP AND METHOD

#10
20240167472
2024-05-23

FLEXIBLE IMPELLER PUMP

#11
20230118075
2023-04-20

BORING DEVICE

#12
20230089643
2023-03-23

PUMP

#13
20230083167
2023-03-16

ROTARY PUMP OR MOTOR WITH IMPROVED INTAKE, EXHAUST, VANE AND BEARINGLESS SLEEVE FEATURES

#14
20230064788
2023-03-02

SOLUTION TRANSFER DEVICE

#15
20230031253
2023-02-02

Fluid transfer pump

#16
20220397114
2022-12-15

Pump with a conveyor device at least for conveying a fluid, and such a conveyor device

#17
20220389927
2022-12-08

Conveyor device at least for conveying a fluid and pump comprising such a conveyor device

#18
20220381344
2022-12-01

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

#19
20220349402
2022-11-03

PUMP AND METHOD

#20
20220213892
2022-07-07

A PUMP AND A METHOD OF PUMPING A GAS

#21
20210404465
2021-12-30

Multi-chamber impeller pump

#22
20210262466
2021-08-26

Pump with detection of absolute angle of rotation

#23
20210108635
2021-04-15

Pump apparatus

#24
20210071661
2021-03-11

Liquid pumping device with concave caves and convex liquid extruding component

#25
20210003123
2021-01-07

TUBE PUMP

#26
20200386225
2020-12-10

Water Pump For Marine Engine Having Removable Cap Assembly

#27
20200362858
2020-11-19

Rotary diaphragm positive displacement pump

#28
20200166028
2020-05-28

Rotary diaphragm positive displacement pump

#29
20200132065
2020-04-30

Pump device

#30
20200062573
2020-02-27

PUMP MECHANISM AND BEVERAGE DISPENSER

#31
20190242379
2019-08-08

Curved flexible impeller

#32
20190195222
2019-06-27

Rotary drive with pivoting stator and rotor vanes

#33
20190048871
2019-02-14

Pump assembly

#34
20190032655
2019-01-31

Compressor unit and method for operating a compressor unit

#35
20180291897
2018-10-11

Impeller pump having different geometries of the inlet and outlet openings

#36
20180274537
2018-09-27

Pump for dispensing liquid or semi-liquid or semi-solid food products and machine comprising said pump

#37
20180238323
2018-08-23

Method for operating a device for the dosed supply of a liquid

#38
20180216615
2018-08-02

Pump for conveying a fluid, in particular for conveying an exhaust gas cleaning additive

#39
20180135628
2018-05-17

Systems and methods of securing a compliant member in a pump

#40
20180073503
2018-03-15

Pump arrangements for pumping fluid

#41
20180045051
2018-02-15

Pump device

#42
20180045050
2018-02-15

Rotary pump with deformable pump ring

#43
20180045049
2018-02-15

Pump device with pump ring having curved contact portion

#44
20180045048
2018-02-15

Pump device with deformable pump ring

#45
20180003168
2018-01-04

Peristaltic pump having adjustable roller guiding parts

#46
20180003166
2018-01-04

Delivery device

#47
20170335978
2017-11-23

FLUID SWITCHING VALVE, FLUID DELIVERY CARTRIDGE, AND FLUID DELIVERY DRIVING UNIT

#48
20170292428
2017-10-12

Orbital pump with reinforcing ring

#49
20170204864
2017-07-20

Transfer pump

#50
20170138362
2017-05-18

Pump motor for high temperature fluids

#51
20170138358
2017-05-18

Pump for conveying a liquid

#52
20170130715
2017-05-11

Flexible impeller pump

#53
20170114692
2017-04-27

Pump for conveying a liquid, particularly an exhaust gas cleaning additive

#54
20170114691
2017-04-27

Pump for conveying a fluid, in particular for conveying an exhaust gas cleaning additive

#55
20170107984
2017-04-20

Method for operating a pump

#56
20170016444
2017-01-19

Pump for conveying a liquid, in particular an exhaust-gas cleaning additive

#57
20160215768
2016-07-28

Pump

#58
20160153450
2016-06-02

Pump for metering a liquid additive for a selective catalytic reduction device

#59
20160146078
2016-05-26

Pump for pumping a liquid along at least one delivery path delimited by a deformable element braced in an axial direction by a stress anchor projecting through a pump rotation shaft

#60
20160138589
2016-05-19

Pump for delivering a liquid

#61
20160108785
2016-04-21

Method for operating a device for the dosed supply of a liquid

#62
20160069238
2016-03-10

Method for operating a device for the dosed supply of a liquid

#63
20160032914
2016-02-04

Pump for metering a liquid additive for a selective catalytic reduction device

#64
20160010644
2016-01-14

Pump with a resilient seal

#65
20160010643
2016-01-14

Pumps

#66
20160010634
2016-01-14

Pumps

#67
20150377106
2015-12-31

Method for providing a liquid additive

#68
20150260195
2015-09-17

Pump and its manufacturing method

#69
20150219098
2015-08-06

Macerator pump apparatus with an integral waste valve assembly and a quick disconnect discharge assembly

#70
20150071808
2015-03-12

Belt and support for a rotor mechanism in a rotary apparatus and rotary apparatus comprising same

#71
20150064037
2015-03-05

Helical rotor of a progressing cavity pump

#72
20140348684
2014-11-27

Pump having a housing and a rotor capable of rotating in the housing

#73
20140301833
2014-10-09

Flexible impeller pump

#74
20140255164
2014-09-11

Pump fittings and methods for their manufacture

#75
20140248173
2014-09-04

Belt and support for a rotor mechanism in a rotary apparatus and rotary apparatus comprising same

#76
20140044579
2014-02-13

Rotary diaphragm pump

#77
20140017094
2014-01-16

Metering system

#78
20120285992
2012-11-15

FOAM PUMP

#79
20120046785
2012-02-23

Bag-in-box pump system

#80
20120034122
2012-02-09

Pump with a resilient seal

#81
20120034118
2012-02-09

Fluorinated Elastic Tube

#82
20110268596
2011-11-03

Fluid device with flexible ring

#83
20110256012
2011-10-20

Positive displacement pump with impeller and method of manufacturing

#84
20110146044
2011-06-23

Impeller installation tool

#85
20110038713
2011-02-17

Dry running flexible impeller pump and method of manufacture

#86
20100224547
2010-09-09

Roller pump

#87
20100196181
2010-08-05

Pump Device

#88
20100126439
2010-05-27

Outboard motor

#89
20090220367
2009-09-03

Rotary pump with deformable rollers

#90
20090200340
2009-08-13

Rotary foam pump

#91
20090180879
2009-07-16

Flexible impeller apparatus and method

#92
20090175715
2009-07-09

IMPELLER TRAP

#93
20080203591
2008-08-28

Flexible impeller pumps for mixing individual components

#94
20080187451
2008-08-07

Feed Unit

#95
20070253835
2007-11-01

Displacement machine including at least two adjacent working chambers

#96
20070177972
2007-08-02

Dry running flexible impeller pump and method of manufacture

#97
20060051228
2006-03-09

Pump with conveying chamber formed in outer rotor surface

#98
20060051217
2006-03-09

Sterilizable pump and systems for use with sterile fluids

#99
20050019198
2005-01-27

Auto suction hybrid pump