ClassID:

143690

F04C29/0071 - CPC Classification

Classification description:

Component parts, details or accessories of pumps or pumping installations, not provided for in groups  - ; Driving elements, brakes, couplings, transmissions specially adapted for 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
20250290512
2025-09-18

Driving Device for Manual Rotary Fluid Pump

#2
20250264104
2025-08-21

NOISE AND VIBRATION MANAGEMENT FOR SMOKE EVACUATION SYSTEM

#3
20250146490
2025-05-08

Parallel connected multiple shaft roots vacuum pump

#4
20240376895
2024-11-14

Scroll compressor

#5
20240344517
2024-10-17

ROTARY COMPRESSOR DRIVE LINE

#6
20240287904
2024-08-29

Driveshaft assemblies and compressors including the same

#7
20240167472
2024-05-23

FLEXIBLE IMPELLER PUMP

#8
20240117807
2024-04-11

Electric compressor with isolation constraint system

#9
20230340958
2023-10-26

NOISE AND VIBRATION MANAGEMENT FOR SMOKE EVACUATION SYSTEM

#10
20220196014
2022-06-23

Vane pump

#11
20220099092
2022-03-31

Motor driven compressor apparatus including swing pin

#12
20220099080
2022-03-31

Compressor and air conditioner

#13
20210340983
2021-11-04

Coupling between crankshaft and orbiting scroll plate

#14
20200300242
2020-09-24

Scroll compressor including a buffer member between a shaft and a recess part of an eccentric bush

#15
20200200176
2020-06-25

Rotary compressor

#16
20200173436
2020-06-04

Motor driven compressor apparatus including swing pin

#17
20190383289
2019-12-19

Compressor with Oldham assembly

#18
20190345942
2019-11-14

Compressor having Oldham's ring

#19
20190345941
2019-11-14

SCROLL COMPRESSOR

#20
20190345940
2019-11-14

Scroll compressor having wear preventing member located between key portion of orbiting scroll and key of Oldham ring

#21
20190345939
2019-11-14

Compressor having bushing

#22
20190277291
2019-09-12

Co-rotating scroll compressor

#23
20190277289
2019-09-12

SCROLL COMPRESSOR

#24
20190277282
2019-09-12

Vacuum pump sealing element

#25
20190226483
2019-07-25

MOTOR VEHICLE VACUUM PUMP

#26
20190186493
2019-06-20

DRY-COMPRESSING VACUUM PUMP

#27
20190162186
2019-05-30

Noise and vibration management for smoke evacuation system

#28
20190162183
2019-05-30

Eccentric screw pump

#29
20190128263
2019-05-02

Scroll compressor with scroll bolt clamp joint

#30
20190101115
2019-04-04

Scroll-type fluid machine and method for assembling same

#31
20190093656
2019-03-28

Automotive vacuum pump

#32
20190063438
2019-02-28

Screw compressor

#33
20180335035
2018-11-22

Mechanical vacuum pump for a motor vehicle

#34
20180298904
2018-10-18

Compressor element for a screw compressor and screw compressor in which such a compressor element is applied

#35
20180231000
2018-08-16

COMPRESSOR AND HEAT EXCHANGE SYSTEM

#36
20180230981
2018-08-16

Fluid machinery, heat exchange equipment, and operating method for fluid machinery

#37
20180087510
2018-03-29

IMPROVED VOLUMETRIC COMPRESSOR

#38
20180066656
2018-03-08

Oil flow through the bearings of a scroll compressor

#39
20180038371
2018-02-08

Compressor and bearing assembly

#40
20170335850
2017-11-23

SCROLL TYPE AIR COMPRESSOR

#41
20170306963
2017-10-26

Scroll compressor having scroll with oil dimples

#42
20170254332
2017-09-07

Vacuum pump

#43
20170234313
2017-08-17

Compressor with Oldham assembly

#44
20170130715
2017-05-11

Flexible impeller pump

#45
20170074266
2017-03-16

Screw compressor

#46
20170051742
2017-02-23

Low vibration scroll compressor for aircraft application

#47
20170016445
2017-01-19

Plastic Rotor for a vacuum pump

#48
20170008501
2017-01-12

Motor vehicle assembly arrangement with an internal combustion engine and a switchable vacuum pump

#49
20170002815
2017-01-05

Motor vehicle vacuum pump having a switchable clutch

#50
20160369802
2016-12-22

Compressor and bearing assembly

#51
20160348680
2016-12-01

SCROLL COMPRESSOR

#52
20160339825
2016-11-24

Blower drive system for a vacuum truck

#53
20160123326
2016-05-05

Scroll compressor including oldham coupling having keys that are slidingly received in slots of a non-orbiting scroll and/or an orbiting scroll

#54
20160069348
2016-03-10

Scroll compressor with unloader assembly

#55
20160032926
2016-02-04

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

#56
20150361983
2015-12-17

Compressor including bearing and unloader assembly

#57
20150354571
2015-12-10

COMPRESSOR AND BEARING ASSEMBLY

#58
20150322946
2015-11-12

Eccentric screw pump

#59
20150316059
2015-11-05

Vacuum pump having a disconnectable drive coupling

#60
20150285302
2015-10-08

Bush bearing and a scroll compressor including a bush bearing

#61
20150275898
2015-10-01

Alignment feature for a lower bearing assembly for a scroll compressor

#62
20150260188
2015-09-17

SUPERCHARGER WITH ALIGNMENT MECHANISM BETWEEN INPUT AND ROTOR SHAFTS

#63
20150167598
2015-06-18

Rotational pump and fuel vapor leakage detection device having the same

#64
20150125311
2015-05-07

System, pump and method of vacuum generation for applications to motor vehicles

#65
20150093276
2015-04-02

Scroll type fluid machine with eccentric bush

#66
20150093275
2015-04-02

Scroll type fluid machine with notches on a motor housing

#67
20140356210
2014-12-04

Scroll compressor having a bush bearing provided on a boss of orbiting scroll

#68
20140334960
2014-11-13

Vacuum pump

#69
20140219850
2014-08-07

Compressor bearing and unloader assembly

#70
20140147324
2014-05-29

Scroll compressor with unloader assembly

#71
20140140866
2014-05-22

REFRIGERATION COMPRESSOR AND A METHOD FOR ASSEMBLING SUCH A REFRIGERATION COMPRESSOR

#72
20130052057
2013-02-28

Vane pump apparatus and method

#73
20130017114
2013-01-17

Fluid Machine

#74
20120275946
2012-11-01

Scroll compressor

#75
20120275939
2012-11-01

Electrically driven compressor system for vehicles

#76
20120258003
2012-10-11

SCROLL COMPRESSOR WITH SPRING TO ASSIST IN HOLDING SCROLL WRAPS IN CONTACT

#77
20120257961
2012-10-11

Multistage vacuum pump

#78
20120251347
2012-10-04

COMPRESSOR WITH TRANSMISSION

#79
20120141312
2012-06-07

Compressor

#80
20120134864
2012-05-31

Compressor having an inlet port formed to overlap with a roller and a cylinder-type rotor for compressing a refrigerant

#81
20120128516
2012-05-24

Compressor

#82
20120128511
2012-05-24

Compressor

#83
20120068559
2012-03-22

ROTATING SHAFT SUPPORT APPARATUS AND MAGNETIC MOTOR HAVING THE SAME

#84
20120034107
2012-02-09

Rotary vacuum pump with a device for decoupling the driving motor

#85
20120019010
2012-01-26

Fluid Machine

#86
20110318211
2011-12-29

Scroll compressor having a pass hole for preventing over-compression under a low load condition

#87
20110200468
2011-08-18

POWER DRIVEN COMPRESSOR SYSTEM FOR VEHICLES

#88
20110165006
2011-07-07

Scroll compressor having a rotation inhibitor

#89
20110081263
2011-04-07

Induction motor and hermetic compressor

#90
20100303662
2010-12-02

Screw compressors

#91
20100218461
2010-09-02

VACUUM STORAGE SYSTEM

#92
20100209278
2010-08-19

SCROLL-TYPE FLUID MACHINE

#93
20100107680
2010-05-06

Shaft coupling and arrangement for fluid machine and refrigeration cycle apparatus

#94
20100068083
2010-03-18

Compressor and electric motor combination

#95
20090257900
2009-10-15

Shaft coupling for scroll compressor

#96
20090246057
2009-10-01

Scroll compressor having a spring member pressing an eccentric shaft onto a slide face of a slide bush

#97
20090169400
2009-07-02

Fan hub integrated vacuum pump system

#98
20080196522
2008-08-21

Device for Coupling a Vacuum Pump with a Camshaft Comprising Means Supplying Lubricating Fluid

#99
20070186578
2007-08-16

Air compressor and expander

#100
20060165545
2006-07-27

Sintered metal rotor of a rotary piston pump

#101
20060159567
2006-07-20

Hand-held vacuum pump and automated urinary drainage system using pump thereof

#102
20060153705
2006-07-13

Drive shaft for compressor

#103
20050079071
2005-04-14

Variable capacity rotary compressor

#104
15355681
2019-05-14

Mud motor coupling system