ClassID:

143829

F04C2240/70 - CPC Classification

Classification description:

Components Use of multiplicity of similar components; Modular construction

Recent Application in this class:
#1
20250270993
2025-08-28

MODULAR EXPANSION ASSEMBLY FOR GEAR PUMP

#2
20240392781
2024-11-28

Rotor shaft hub and bearing for a high pressure fluid pump assembly

#3
20220268277
2022-08-25

Multi-bearing scroll compressor to enhance load management

#4
20220145882
2022-05-12

PROGRESSING CAVITY DEVICES AND ASSEMBLIES FOR COUPLING MULTIPLE STAGES OF PROGRESSING CAVITY DEVICES

#5
20220034226
2022-02-03

Piston machine, modular construction system for a piston machine, and method for producing a piston machine

#6
20210324853
2021-10-21

Stator with modular interior

#7
20210277899
2021-09-09

Multistage pump assembly with at least one co-used shaft

#8
20210180593
2021-06-17

Semi-rigid stator

#9
20210054841
2021-02-25

Multi-stage dry roots vacuum pump

#10
20210040949
2021-02-11

Modular System of an Axially Integrated Pump Structure

#11
20200340605
2020-10-29

Vacuum system pipe couplings

#12
20200340467
2020-10-29

Modular vacuum pumping and/or abatement system

#13
20200340466
2020-10-29

Module for a vacuum pumping and/or abatement system

#14
20200300234
2020-09-24

Module for a vacuum pumping and/or abatement system

#15
20200011329
2020-01-09

Fluid transfer device

#16
20190331111
2019-10-31

Device for wetting a plurality of threads, and metering pump for such a device

#17
20190249662
2019-08-15

Horizontally split screw-spindle pump

#18
20180372092
2018-12-27

Stator

#19
20180355864
2018-12-13

Modular system for producing a screw spindle pump

#20
20180320519
2018-11-08

Scroll compressor having a baseplate including first and second cylindrical rim portions

#21
20180298905
2018-10-18

Refrigerant compressor system

#22
20180258926
2018-09-13

PUMP SYSTEM

#23
20180231015
2018-08-16

Sealed rotor assembly for a rotary fluid device

#24
20180209416
2018-07-26

Gear pump

#25
20180149156
2018-05-31

Modularized integrated non-coaxial multiple chamber dry vacuum pump

#26
20170321699
2017-11-09

Compressor system

#27
20170314552
2017-11-02

Stator

#28
20170268513
2017-09-21

Suction line arrangement for multiple compressor system

#29
20170268506
2017-09-21

Method of coupling stator/rotor laminates

#30
20170074266
2017-03-16

Screw compressor

#31
20170045052
2017-02-16

Multiple compressor configuration with oil-balancing system

#32
20170045048
2017-02-16

Multi-stage pump assembly having a pressure controlled valve for controlling recirculation of fluid from the pump stage outlet to the pump stage inlet

#33
20170045047
2017-02-16

Vane pump with adjustable delivery volume

#34
20160327037
2016-11-10

Stator laminate, stator assembly including the stator laminate, and method of making the stator assembly

#35
20160186750
2016-06-30

Distributor apparatus with a pair of intermeshing screw rotors

#36
20160186731
2016-06-30

Split shell shaft coupling for submersible pump assemblies

#37
20160047376
2016-02-18

Fluid transfer device

#38
20150184790
2015-07-02

Motor lead with heat deflecting layer for submersible well pump

#39
20150184654
2015-07-02

Progressing cavity stator with gas breakout port

#40
20150139831
2015-05-21

Pump module and electric pump including the same

#41
20150125616
2015-05-07

Apparatus for the intermittent application of a liquid to pasty medium onto an application surface

#42
20150078947
2015-03-19

Downhole motor stator and method of manufacture

#43
20140363317
2014-12-11

Vacuum pump having an adjustable housing

#44
20140308145
2014-10-16

Progressing cavity stator with metal plates having apertures with englarged ends

#45
20140271233
2014-09-18

Modular pump platform

#46
20140134034
2014-05-15

Fluid machine

#47
20140099225
2014-04-10

Multi-stage pump assembly having a pressure controlled valve for controlling recirculation of fluid from the pump stage outlet to the pump stage inlet

#48
20140056720
2014-02-27

Pump system

#49
20130028757
2013-01-31

Vacuum pumping system

#50
20130004356
2013-01-03

Geared hydraulic machine

#51
20120263614
2012-10-18

Housingless positive displacement pump assembly

#52
20120189478
2012-07-26

VACUUM PUMP SYSTEM

#53
20120177511
2012-07-12

Modular Pump Rotor Assemblies

#54
20120018168
2012-01-26

Multistage pump suitable for use in wells

#55
20110311386
2011-12-22

Pumping systems

#56
20110286872
2011-11-24

Metering gear pump or segment, and metering gear pump assembly comprising a plurality of metering gear pumps or segments

#57
20110150689
2011-06-23

Progressive cavity pump having an inner rotor, an outer rotor, and transition end piece

#58
20110150686
2011-06-23

Progressive cavity hydraulic machine

#59
20110135523
2011-06-09

SEALED COMPRESSOR WITH MOTOR STANDARD SPACER PROVIDING BEARING MOUNT

#60
20100303658
2010-12-02

Water-Cooled Oil-Free Air Compressor

#61
20100284842
2010-11-11

Method of producing a stator segment for a segmented stator of an eccentric screw pump

#62
20100176358
2010-07-15

Integrated hydraulic motor and winch

#63
20100132659
2010-06-03

CAT AND MOUSE TYPE MACHINE WITH MULTI-PURPOSE PORTS

#64
20100102092
2010-04-29

Cartridge-type single-screw pump and dye-meter equipped with such pump

#65
20100098571
2010-04-22

Pump Apparatus and Methods for Using Same

#66
20100008811
2010-01-14

Screw compressor having rotor casing with removable discharge opening neighborhood portion

#67
20100008806
2010-01-14

Regulatable vane-cell pump with a sealing web curving in an arc

#68
20100007133
2010-01-14

Axially moveable spool connector

#69
20090304540
2009-12-10

PD pumps with a common gearbox module and varying capacities and easy access to mechanical seals

#70
20090304538
2009-12-10

Modular multi-rotor compressor and method of manufacture

#71
20090297384
2009-12-03

Dual displacement external gear pump

#72
20090266840
2009-10-29

Substance Injecting Apparatuses and Methods for Using Same

#73
20090214372
2009-08-27

Remote hot melt adhesive metering station

#74
20090185929
2009-07-23

Mounting base and scroll compressor incorporating same

#75
20090041597
2009-02-12

Combined Seal Head and Pump Intake for Electrical Submersible Pump

#76
20090013861
2009-01-15

Combined pump housing for several rated quantities

#77
20080085203
2008-04-10

Progressing cavity pump with wobble stator and magnetic drive

#78
20080075617
2008-03-27

Rotary fluid pressure device with modular multi-speed control mechanism

#79
20080063554
2008-03-13

PRECISION FLOW GEAR PUMP

#80
20070269325
2007-11-22

Modular Volumetric Compressor

#81
20070248480
2007-10-25

Multiple Section External Gear Pump With the Internal Manifold

#82
20070224064
2007-09-27

Pump Apparatus And Methods For Using Same

#83
20060182644
2006-08-17

Progressing cavity stator including at least one cast longitudinal section

#84
20060182643
2006-08-17

Progressing cavity stator having a plurality of cast longitudinal sections

#85
20060039804
2006-02-23

Motor-pump unit

#86
20050265859
2005-12-01

Fluid supply unit having an integral pressure generator and pressure booster

#87
20050254970
2005-11-17

Quick connect pump to pump mount and drive arrangement

#88
20050183539
2005-08-25

Eccentric shaft for an internal combustion engine

#89
20050163643
2005-07-28

Synchronized transaxle hydraulic motor

#90
20050095161
2005-05-05

Rotary vane compressor with interchangeable end plates

#91
20050060335
2005-03-17

Product conversion and documentation process