ClassID:

143691

F04C29/0078 - 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 Fixing rotors on shafts, e.g. by clamping together hub and shaft

Recent Application in this class:
#1
20260036128
2026-02-05

COMPRESSOR AND METHOD FOR ASSEMBLING COMPRESSOR

#2
20250198451
2025-06-19

ROTATIONAL ELEMENT AND COMPRESSOR ASSEMBLY COMPRISING SUCH A ROTATIONAL ELEMENT

#3
20250067264
2025-02-27

COMPRESSOR

#4
20240287904
2024-08-29

Driveshaft assemblies and compressors including the same

#5
20240167472
2024-05-23

FLEXIBLE IMPELLER PUMP

#6
20230358232
2023-11-09

Scroll compressor

#7
20230228270
2023-07-20

ROTARY COMPRESSOR

#8
20220099080
2022-03-31

Compressor and air conditioner

#9
20220082098
2022-03-17

SCROLL COMPRESSOR

#10
20210211008
2021-07-08

Rotor cooling system with increased coolant residence time for electric motor

#11
20210062810
2021-03-04

Vane pump

#12
20210054841
2021-02-25

Multi-stage dry roots vacuum pump

#13
20200224659
2020-07-16

ELECTRIC COMPRESSOR

#14
20200200787
2020-06-25

System and method for engine speed measurement

#15
20200063743
2020-02-27

Displacement pump for fuel vapor recovery

#16
20190128263
2019-05-02

Scroll compressor with scroll bolt clamp joint

#17
20190113034
2019-04-18

Electric refrigerant drive

#18
20180298901
2018-10-18

Scroll compressor

#19
20180209424
2018-07-26

Scroll compressor with oil chamber and cooling

#20
20180163724
2018-06-14

Scroll compressor with a ring member and guide pin

#21
20180100506
2018-04-12

SUPERCHARGER HAVING ROTOR WITH PRESS-FIT STUB SHAFTS

#22
20180038371
2018-02-08

Compressor and bearing assembly

#23
20170284398
2017-10-05

Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine

#24
20170130718
2017-05-11

Fluid ring compressor

#25
20170130715
2017-05-11

Flexible impeller pump

#26
20170082109
2017-03-23

Posture control of a balance weight in a scroll compressor

#27
20160369802
2016-12-22

Compressor and bearing assembly

#28
20160201675
2016-07-14

Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine

#29
20160153452
2016-06-02

Motor-driven compressor

#30
20160097390
2016-04-07

Vacuum pump rotor for a vacuum pump having a roots pumping mechanism

#31
20160069348
2016-03-10

Scroll compressor with unloader assembly

#32
20160032926
2016-02-04

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

#33
20150330389
2015-11-19

Vane pump including shaft fitting concave not to be penetrated

#34
20150211519
2015-07-30

Electric pump

#35
20150204331
2015-07-23

METHOD FOR CONNECTING A COMPRESSOR WHEEL TO A SHAFT OF A SUPERCHARGING DEVICE

#36
20150192126
2015-07-09

ELECTRIC COMPRESSOR

#37
20150110661
2015-04-23

Vacuum pump

#38
20150044082
2015-02-12

Horizontal type scroll compressor having discharge guide between a main scroll and a motor housing

#39
20140186204
2014-07-03

Rotary piston engine including a piston assembly, vehicle including the rotary piston engine and a manufacturing method for the piston assembly

#40
20140147324
2014-05-29

Scroll compressor with unloader assembly

#41
20140064995
2014-03-06

SCROLL COMPRESSION DEVICE AND METHOD FOR MAGNETIZING SCROLL COMPRESSION DEVICE

#42
20140044572
2014-02-13

Scroll compression device

#43
20130302199
2013-11-14

Scroll expander

#44
20120282123
2012-11-08

Electric compressor and assembly method thereof

#45
20120269662
2012-10-25

Mounting arrangement for an eccentric shaft in a refrigeration compressor

#46
20120257961
2012-10-11

Multistage vacuum pump

#47
20120171033
2012-07-05

Pump with corrosion resistant shaft and rotor surfaces

#48
20110293459
2011-12-01

Screw pump with field refurbishment provisions

#49
20110165009
2011-07-07

GATE ROTOR AND SCREW COMPRESSOR

#50
20110123324
2011-05-26

Scroll fluid machine

#51
20100284848
2010-11-11

Screw compressor with adjacent helical grooves selectively opening to first and second ports

#52
20100278678
2010-11-04

SCREW COMPRESSOR

#53
20100278677
2010-11-04

Screw compressor having a gate rotor assembly with pressure introduction channels

#54
20080107550
2008-05-08

ELETRIC PUMP

#55
20080080996
2008-04-03

Resin screw rotor molded to a metallic shaft

#56
20070231177
2007-10-04

Pump device

#57
20070201988
2007-08-30

Vacuum pump

#58
20060159567
2006-07-20

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

#59
15355681
2019-05-14

Mud motor coupling system