ClassID:

143547

F04C15/064 - CPC Classification

Classification description:

Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups  - ; Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps

Sub-classes:
Recent Application in this class:
#1
20250116223
2025-04-10

ROTARY PISTON MACHINE

#2
20240426295
2024-12-26

FLUID CIRCULATING APPARATUS

#3
20240280101
2024-08-22

Reversible Reciprocating Pump

#4
20240271620
2024-08-15

Scroll compressor and refrigeration apparatus

#5
20230286012
2023-09-14

METERING DISTRIBUTION ASSEMBLY AND COATING SYSTEM COMPRISING THE SAME

#6
20230193899
2023-06-22

Internal gear machine with switching valves

#7
20230047035
2023-02-16

Vane rotary compressor with pressure reducing member inserted into the oil supply passage

#8
20230046611
2023-02-16

X-RAY INSPECTION APPARATUS, X-RAY INSPECTION SYSTEM, IMAGE MANAGEMENT METHOD AND PROGRAM

#9
20220356878
2022-11-10

Reversible Reciprocating Pump

#10
20220290667
2022-09-15

PORTABLE FLUID PUMP

#11
20220128053
2022-04-28

Reversible Reciprocating Pump

#12
20210033091
2021-02-04

OIL PUMP

#13
20200340475
2020-10-29

Scavenging centrifugal baffle pump

#14
20200309123
2020-10-01

Gear pump bearing with hybrid pad shutoff

#15
20200277956
2020-09-03

Vane rotary compressor

#16
20200270993
2020-08-27

Rotary fluid pressure device with drive-in-drive valve arrangement

#17
20200217314
2020-07-09

OSCILLATING PISTON PUMP FOR FLUIDS

#18
20200124008
2020-04-23

Pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine

#19
20200095995
2020-03-26

LINEAR COMPRESSOR

#20
20200032794
2020-01-30

OIL PUMP DEVICE

#21
20190301449
2019-10-03

COMPRESSOR

#22
20190242410
2019-08-08

Miniature high pressure pump and electrical hydraulic actuation system

#23
20190195223
2019-06-27

Pump apparatus having axially moving shaft bearing disposed adjacent a pressure relief passage to facilitate a pressure relief function of same

#24
20190170141
2019-06-06

Vacuum pump with separate oil outlet with relief valve

#25
20180347565
2018-12-06

Rotary compressor with a valve in the vane

#26
20180274540
2018-09-27

Electric oil pump apparatus and base plate for electric oil pump

#27
20180238403
2018-08-23

Driving power transmission device

#28
20180135627
2018-05-17

Fluid working systems

#29
20180119695
2018-05-03

Gear pump and method for realising it

#30
20180111679
2018-04-26

Oscillating pump systems for use on aircraft

#31
20180106251
2018-04-19

Oil pump

#32
20180016871
2018-01-18

Diverter valve for progressing cavity pump

#33
20170370360
2017-12-28

Scalable hydraulic motor with drive input shaft and driven output shaft

#34
20170356444
2017-12-14

Transfer device

#35
20170350527
2017-12-07

Solenoid valve and oil pump

#36
20170298966
2017-10-19

Magnetically controlled valve and pump devices and methods of using the same

#37
20170284550
2017-10-05

Adjustable stop for check valve

#38
20170227007
2017-08-10

PUMP DEVICE

#39
20170218953
2017-08-03

VARIABLE-CAPACITY VANE PUMP

#40
20170074263
2017-03-16

VEHICLE HYDRAULIC DEVICE

#41
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

#42
20170030352
2017-02-02

ECCENTRIC MOVABLE VANE PUMP

#43
20170002845
2017-01-05

Electro hydrostatic actuators

#44
20160348673
2016-12-01

Oil pump device

#45
20160327038
2016-11-10

Fluid working systems

#46
20160201694
2016-07-14

Miniature high pressure pump and electrical hydraulic actuation system

#47
20160186752
2016-06-30

Variable displacement vane pump with integrated fail safe function

#48
20160186623
2016-06-30

Variable displacement vane pump with integrated fail safe function

#49
20160153449
2016-06-02

Vehicular hydraulics supply device

#50
20160115832
2016-04-28

Variable displacement lubricant pump

#51
20160010516
2016-01-14

Valve timing control apparatus

#52
20150219099
2015-08-06

Rotary-oscillating subassembly and rotary-oscillating volumetric pumping device for volumetrically pumping a fluid

#53
20150204324
2015-07-23

Drive Assembly for a Rotary Fluid Pressure Device

#54
20150139841
2015-05-21

Oil Pump

#55
20150114790
2015-04-30

Pump apparatus with switching valve and driving power transmission device

#56
20150078948
2015-03-19

Oil pump

#57
20150064042
2015-03-05

Gas compressor having an asymmetric cylinder chamber

#58
20150010420
2015-01-08

OIL PUMP

#59
20140369874
2014-12-18

Adjustable stop for check valve

#60
20130240773
2013-09-19

Valve of a piston pump with a closing body

#61
20130126024
2013-05-23

Bi-directional pump

#62
20120315175
2012-12-13

Double internal gear pump

#63
20110052435
2011-03-03

Plate pump assembly for use with a subsurface pump

#64
20100192896
2010-08-05

INTERNAL COMBUSTION ENGINES WITH RING-SHAPED CYLINDERS

#65
20100150761
2010-06-17

Hydraulic machine

#66
20080181796
2008-07-31

Pump

#67
20050019195
2005-01-27

Rotary piston pump