ClassID:

143555

F04C18/023 - CPC Classification

Classification description:

Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where both members are moving

Sub-classes:
Recent Application in this class:
#1
20260146607
2026-05-28

ELECTRIC COMPRESSOR

#2
20260146606
2026-05-28

CO-ROTATING SCROLL COMPRESSOR

#3
20260146605
2026-05-28

CO-ROTATING SCROLL COMPRESSOR

#4
20260139673
2026-05-21

CO-ROTATING SCROLL COMPRESSOR

#5
20260117772
2026-04-30

CO-ROTATING SCROLL COMPRESSOR

#6
20260110300
2026-04-23

CO-ROTATING SCROLL COMPRESSOR

#7
20260110298
2026-04-23

SCROLL PLATE COVER AND SCROLL COMPRESSOR

#8
20260071623
2026-03-12

CO-ROTATING SCROLL COMPRESSOR

#9
20260036129
2026-02-05

DRIVING MEMBER FOR SCROLL COMPRESSOR AND SCROLL COMPRESSOR

#10
20260028991
2026-01-29

SCROLL FOR SCROLL COMPRESSOR AND SCROLL COMPRESSOR

#11
20260028986
2026-01-29

SCROLL COMPRESSOR

#12
20260002536
2026-01-01

CO-ROTATING SCROLL COMPRESSOR

#13
20250327451
2025-10-23

LIQUID COOLING OF A SCROLL DEVICE WITH LIQUID SUPPLY THROUGH INTEGRATED ROTARY UNIONS

#14
20250215876
2025-07-03

CO-ROTATING SCROLL COMPRESSOR

#15
20250207589
2025-06-26

CO-ROTATING SCROLL COMPRESSOR

#16
20250207588
2025-06-26

CO-ROTATING SCROLL COMPRESSOR

#17
20250146488
2025-05-08

SCROLL COMPRESSOR

#18
20250137460
2025-05-01

DUAL-MODE COMPRESSOR

#19
20250084844
2025-03-13

DRIVE MEMBER FOR SCROLL COMPRESSOR, AND SCROLL COMPRESSOR

#20
20250067264
2025-02-27

COMPRESSOR

#21
20250067263
2025-02-27

COMPRESSOR

#22
20250067262
2025-02-27

SCROLL COMPRESSOR

#23
20250059974
2025-02-20

SCROLL COMPRESSOR

#24
20240151229
2024-05-09

SCROLL MACHINE AND VEHICLE AIR-CONDITIONING SYSTEM

#25
20230313796
2023-10-05

CO-ROTATING SCROLL COMPRESSOR HAVING SYNCHRONIZATION MECHANISM

#26
20230279859
2023-09-07

Co-rotating scroll compressor with Oldham couplings

#27
20230147568
2023-05-11

Co-rotating compressor

#28
20230145998
2023-05-11

Co-rotating scroll compressor having synchronization mechanism

#29
20230050093
2023-02-16

Dual drive co-rotating spinning scroll compressor or expander

#30
20220112896
2022-04-14

Oldham coupling in co-rotating scroll compressors

#31
20210148362
2021-05-20

Co-rotating scroll compressor with bearing able to roll along surface

#32
20210118476
2021-04-22

Driver circuit equipped with power gating circuit

#33
20210062807
2021-03-04

Co-rotational scroll machine

#34
20200378383
2020-12-03

CO-ROTATING SCROLL COMPRESSOR

#35
20200370556
2020-11-26

Scroll fluid machine including first and second scroll members

#36
20200232460
2020-07-23

Scroll fluid machine with improved power transmission mechanism

#37
20200200181
2020-06-25

Oil control for climate-control system

#38
20200200160
2020-06-25

Oil control for climate-control system

#39
20200063735
2020-02-27

CO-ROTATING SCROLL COMPRESSOR

#40
20200025199
2020-01-23

DUAL DRIVE CO-ROTATING SPINNING SCROLL COMPRESSOR OR EXPANDER

#41
20200018310
2020-01-16

SCROLL-TYPE COMPRESSOR

#42
20200003213
2020-01-02

CO-ROTATING SCROLL COMPRESSOR

#43
20190376513
2019-12-12

CO-ROTATING SCROLL COMPRESSOR AND METHOD OF ASSEMBLING THE SAME

#44
20190368492
2019-12-05

CO-ROTATING SCROLL COMPRESSOR AND METHOD OF ASSEMBLING THE SAME

#45
20190368486
2019-12-05

CO-ROTATING SCROLL COMPRESSOR

#46
20190346190
2019-11-14

Compressor and refrigeration cycle apparatus

#47
20190345934
2019-11-14

Co-rotating scroll compressor

#48
20190203718
2019-07-04

Screw compressor for a utility vehicle

#49
20190186488
2019-06-20

Co-rotating compressor with multiple compression mechanisms

#50
20190178247
2019-06-13

CO-ROTATING SCROLL COMPRESSOR

#51
20190162184
2019-05-30

Co-rotating scroll compressor and method for designing the same

#52
20190032661
2019-01-31

Screw compressor including control sliders that cooperate to form an inflow chamber for inflow from a compression chamber and with one slider provided with an outflow outlet

#53
20180363654
2018-12-20

Scroll compressor with axial flux motor

#54
20180252216
2018-09-06

Mutual rotating scroll compressor

#55
20180224171
2018-08-09

Co-rotating compressor with multiple compression mechanisms and system having same

#56
20180223849
2018-08-09

Scroll compressor with axial flux motor

#57
20180223848
2018-08-09

Co-rotating compressor

#58
20180223842
2018-08-09

Co-rotating compressor with multiple compression mechanisms

#59
20180080446
2018-03-22

Co-rotating scroll compressor having back pressure structure

#60
20180080445
2018-03-22

Co-rotating scroll compressor having displacement bearing

#61
20170051741
2017-02-23

Scroll type device incorporating spinning or co-rotating scrolls

#62
20160356274
2016-12-08

Press-fit bearing housing with non-cylindrical diameter

#63
20150176585
2015-06-25

Pressure control valve and scroll compressor

#64
20140271306
2014-09-18

Scroll compressor with back pressure discharge

#65
20140271304
2014-09-18

Scroll compressor with back pressure chamber

#66
20140010695
2014-01-09

Piston and scroll compressor assembly

#67
20130259715
2013-10-03

Microsystems for compressing or for converting a pressure difference into a displacement

#68
20130251563
2013-09-26

Press-fit bearing housing with non-cylindrical diameter

#69
20120068474
2012-03-22

Microsystems for converting pressures and compression

#70
20120067116
2012-03-22

Wheel with electromechanical conversion system

#71
20110002797
2011-01-06

Rotary machine

#72
20090028728
2009-01-29

Piezoelectric drive for scroll compressor

#73
20070204633
2007-09-06

Apparatus and Method for Cooling of Air

#74
20060182645
2006-08-17

Scroll-type fluid machine

#75
20060165543
2006-07-27

Screw compressor acoustic resonance reduction

#76
20060083650
2006-04-20

Air compressor assembly

#77
17519876
2023-04-11

Co-rotating scroll compressor having first and second Oldham couplings