ClassID:

143538

F04C15/0073 - CPC Classification

Classification description:

Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups  - ; Driving elements, brakes, couplings, transmission specially adapted for machines or pumps; Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft

Recent Application in this class:
#1
20260139671
2026-05-21

APPARATUS AND METHOD FOR MECHANICALLY COUPLING A MOTOR TO A ROTOR OF A PROGRESSIVE CAVITY PUMP

#2
20250369442
2025-12-04

SEAL ASSEMBLY FOR PROGRESSIVE CAVITY PUMP

#3
20250361863
2025-11-27

SCREW PUMP AND ITS COMPONENTS

#4
20250314248
2025-10-09

SCREW PUMP AND ITS COMPONENTS

#5
20250035109
2025-01-30

DISPOSABLE PUMP CARTRIDGE

#6
20240167472
2024-05-23

FLEXIBLE IMPELLER PUMP

#7
20240139028
2024-05-02

APPARATUS AND METHOD FOR MECHANICALLY COUPLING A MOTOR TO A ROTOR OF A PROGRESSIVE CAVITY PUMP

#8
20240117844
2024-04-11

PIN COUPLING FOR CONNECTING A ROTARY DRIVE TO A PROGRESSIVE-CAVITY PUMP

#9
20230417244
2023-12-28

System comprising an electric machine and a hydraulic unit, as well as electric machine and hydraulic unit

#10
20230323874
2023-10-12

Fluid pump with thrust bearing driver

#11
20230211521
2023-07-06

Hydraulic system for stripping concrete forms

#12
20230138342
2023-05-04

Rotary positive displacement pump

#13
20220362452
2022-11-17

Disposable pump cartridge

#14
20220299025
2022-09-22

Uniaxial eccentric screw pump

#15
20220196014
2022-06-23

Vane pump

#16
20220178369
2022-06-09

VANE PUMP

#17
20220145882
2022-05-12

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

#18
20220120261
2022-04-21

Electric drive system for rotorcraft

#19
20210355942
2021-11-18

Dual drive gerotor pump

#20
20210348620
2021-11-11

Electric pump

#21
20210239114
2021-08-05

Screw spindle pump, fuel pump assembly, and fuel pump unit

#22
20210025148
2021-01-28

Irrigation pumpjack

#23
20200291779
2020-09-17

Scroll compressor with asymmetrical Oldham's ring

#24
20200232458
2020-07-23

Gear pump and gear assembly

#25
20200224664
2020-07-16

Pump device, especially for mobile means of transport

#26
20200109774
2020-04-09

Pump assembly and method for producing a pump assembly

#27
20200088180
2020-03-19

Compressor having oil guide path

#28
20200018228
2020-01-16

ROTARY COMBUSTION ENGINE ROTOR DEACTIVATION AND METHOD

#29
20190242340
2019-08-08

Fuel pump having a motor housing and pump housing against one another

#30
20190162183
2019-05-30

Eccentric screw pump

#31
20190036409
2019-01-31

Motor

#32
20180335127
2018-11-22

Pump for Torque Transfer Device

#33
20180245586
2018-08-30

Self-priming positive displacement pump with sectioned dividing wall

#34
20180245585
2018-08-30

Positive displacement pump with pressure relief

#35
20180230994
2018-08-16

Rotor assemblies having radial deformation control members

#36
20180180044
2018-06-28

Coupling element for an eccentric screw rotor

#37
20180045197
2018-02-15

Systems and devices for pumping and controlling high temperature fluids

#38
20180010606
2018-01-11

Fuel pump including a protruding portion and connecting an inner gear and a rotary shaft

#39
20170342980
2017-11-30

ANTI-DECOMPRESSION GEAR FUEL PUMP FOR BROKEN BUBBLES

#40
20170342871
2017-11-30

CAMSHAFT PHASE REGULATOR

#41
20170328358
2017-11-16

Water pump assembly

#42
20170306949
2017-10-26

Rotary piston pump, method for fixing rotary pistons of a rotary piston pump and method for dismantling rotary pistons of a rotary piston pump

#43
20170204856
2017-07-20

Positive Displacement Pump

#44
20170182694
2017-06-29

MELT PUMPS FOR PRODUCING SYNTHETIC GRANULES, EXTRUDED PROFILES OR MOLDED PARTS

#45
20170146013
2017-05-25

Pump assembly with charge pump rotor, inversion pump rotor and scavenge pump rotor

#46
20170130715
2017-05-11

Flexible impeller pump

#47
20170067461
2017-03-09

Triangular pump cover

#48
20170058895
2017-03-02

DUAL PUMP SYSTEM FOR AUTOMATIC TRANSMISSION AUGMENTATION, EXTENDED STOP AND START, AND SAILING

#49
20170058892
2017-03-02

PUMP

#50
20170002810
2017-01-05

Trochoid pump for transferring high-viscosity liquid under high pressure

#51
20170002809
2017-01-05

Rotating body, rotating body material, and method of manufacturing rotating body

#52
20160377077
2016-12-29

Two rotor vane pump

#53
20160305425
2016-10-20

Fluid pump

#54
20160298623
2016-10-13

Internal gear pump with improved communication between inlet and idler and between inlet and rotor

#55
20160298509
2016-10-13

Electric lubricant pump comprising a connectable drive

#56
20160281709
2016-09-29

Multiple segment lobe pump

#57
20160186748
2016-06-30

Flow restrictor for a mud motor

#58
20160032926
2016-02-04

Electric motor-driven motor-vehicle vacuum pump, and drive shaft for a motor vehicle vacuum pump

#59
20160023774
2016-01-28

Dual-stage gear pump with reduced pressure ripple

#60
20160003226
2016-01-07

Electric pump apparatus

#61
20150322946
2015-11-12

Eccentric screw pump

#62
20150167669
2015-06-18

PUMP STRUCTURE

#63
20150064039
2015-03-05

FLUID MACHINE AND RANKINE CYCLE

#64
20150044074
2015-02-12

Fluid pump comprising a positive-locking clutch for a motor vehicle

#65
20150013605
2015-01-15

Coating device and associated operating method

#66
20140311730
2014-10-23

Progressive cavity pump with free pump rotor

#67
20140271309
2014-09-18

Torque-generating steering device

#68
20140241861
2014-08-28

Fluid pump with shaft driven pumping element

#69
20140227121
2014-08-14

Universal joint with cooling system

#70
20140178234
2014-06-26

Internal rotor-type fluid machine

#71
20140086777
2014-03-27

Synthetic resin bearing and scroll compressor having the same

#72
20130228149
2013-09-05

Rotary Internal Combustion Engine

#73
20130133765
2013-05-30

Fuel pump assembly

#74
20130052057
2013-02-28

Vane pump apparatus and method

#75
20130011287
2013-01-10

Pump or turbine for incompressible fluids

#76
20120328462
2012-12-27

Positive displacement rotary pumps with improved cooling

#77
20120267446
2012-10-25

PUMP FOR DELIVERING A FLUID

#78
20120251354
2012-10-04

ELECTRIC OIL PUMP

#79
20120237380
2012-09-20

Downhole backspin retarder for progressive cavity pump

#80
20120224991
2012-09-06

Positive displacement fluid pump

#81
20120219446
2012-08-30

Input shaft assembly for gear pump

#82
20120219445
2012-08-30

Seal retaining sleeve for gear pump

#83
20120219444
2012-08-30

Input shaft lubrication for gear pump

#84
20120099986
2012-04-26

LIQUID SEAL, SHAFT SEAL APPARATUS AND PUMP APPARATUS USING THE SAME

#85
20120063941
2012-03-15

Eccentric-screw pump with replaceable rotor and stator

#86
20120039734
2012-02-16

Rotor drive mechanism and pump apparatus including the same

#87
20120014826
2012-01-19

Rotary piston engine

#88
20110223049
2011-09-15

Fuel Pump For Internal Combustion Engines

#89
20100322808
2010-12-23

Progressing cavity pump/motor

#90
20100247362
2010-09-30

Gear Pump

#91
20100237689
2010-09-23

Gear pump and gear pump for brake apparatus

#92
20100061872
2010-03-11

Gear Pump

#93
20090297255
2009-12-03

Drive means

#94
20090285709
2009-11-19

Vane pump

#95
20090252630
2009-10-08

Single-Shaft Eccentric Screw Pump

#96
20090202371
2009-08-13

Pump intake for electrical submersible pump

#97
20090162218
2009-06-25

Combination Power Plant/Fluid Compressor for Service Vehicles

#98
20090158998
2009-06-25

Operating method for an atomiser and a corresponding coating apparatus

#99
20090136371
2009-05-28

Progressing cavity pump assembly and method of operation

#100
20090132038
2009-05-21

Rotary displacement pump with smaller radial dimensions

#101
20090016919
2009-01-15

Gear pump

#102
20090016912
2009-01-15

Internal Gear Fuel Pump

#103
20080240968
2008-10-02

Low Cost Gear Fuel Pump

#104
20080232994
2008-09-25

Inner rotor of internal gear pump having convex small circular arc parts

#105
20080219876
2008-09-11

Rotary piston machine

#106
20080138230
2008-06-12

Pressure sealed tapered screw pump/motor

#107
20080112821
2008-05-15

Impeller-drive shaft construction for a fuel pump

#108
20070059194
2007-03-15

Rotor apparatus of pump including a drive shaft with a plurality of arcuate circumferential surface sections

#109
20060275117
2006-12-07

Propeller pump system for handed propeller applications

#110
20060210409
2006-09-21

GREASE PUMP

#111
20060140805
2006-06-29

Electric oil pump

#112
20060137536
2006-06-29

Dividing device

#113
20060120908
2006-06-08

Tandem type trochoid pump and method of assembling the same

#114
20060099099
2006-05-11

Vane pump including rotor having eccentric gravity center

#115
20050254982
2005-11-17

Internal gear machine with variable capacity

#116
20050254970
2005-11-17

Quick connect pump to pump mount and drive arrangement

#117
20050249622
2005-11-10

Device for controlling parasitic losses in a fluid pump

#118
20050232784
2005-10-20

Pump assembly

#119
20050207927
2005-09-22

Gear pump

#120
20050063851
2005-03-24

Gerotor pumps and methods of manufacture therefor

#121
20050022381
2005-02-03

Method of making gear pump

#122
20050013720
2005-01-20

Rotary pump

#123
18987550
2026-03-24

Gear pump parallel load path

#124
17834858
2023-06-27

Drive shaft connector with counterweight and blades for cooling pump motor

#125
15355681
2019-05-14

Mud motor coupling system

#126
15179571
2019-05-07

Mud motor apparatus and system