ClassID:

142578

F04B1/0448 - CPC Classification

Classification description:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement; Details or component parts Sealing means, e.g. for shafts or housings

Recent Application in this class:
#1
20250314300
2025-10-09

HYDRAULIC FLUID PUMP AND STUFFING BOX ASSEMBLY FOR SAME

#2
20250250970
2025-08-07

SEALING RING ASSEMBLIES CONFIGURED FOR PRESSURE LOCKING

#3
20250092854
2025-03-20

BEARING ARRANGEMENT FOR RADIAL PISTON UNITS

#4
20240426294
2024-12-26

FLUID END ASSEMBLY

#5
20240309839
2024-09-19

BEARING ARRANGEMENT FOR RADIAL PISTON UNITS

#6
20240254986
2024-08-01

Flexible manifold for reciprocating pump

#7
20240125309
2024-04-18

HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

#8
20240044406
2024-02-08

Kit for protecting at least one seal installed in a transfer fuel pump

#9
20230279846
2023-09-07

System and method for sealing fluid passages in reciprocating engine

#10
20230193885
2023-06-22

Sealing device for a hydraulic machine

#11
20230116452
2023-04-13

FLUID END ASSEMBLY

#12
20230072947
2023-03-09

Sealing ring assemblies configured for pressure locking

#13
20220364645
2022-11-17

HYDRAULIC FLUID PUMP AND STUFFING BOX ASSEMBLY FOR SAME

#14
20220154704
2022-05-19

Flexible manifold for reciprocating pump

#15
20220003233
2022-01-06

High-pressure fuel pump

#16
20210404453
2021-12-30

Hydraulic fluid pump and retainer assembly for same

#17
20210215154
2021-07-15

Fluid end assembly

#18
20200400130
2020-12-24

Suction bore cover and seal arrangement

#19
20200362971
2020-11-19

Pump fluid end with positional indifference for maintenance

#20
20200362855
2020-11-19

Flexible manifold for reciprocating pump

#21
20200354981
2020-11-12

Motor Shaft

#22
20200347843
2020-11-05

Hydraulic fluid pump and stuffing box assembly for same

#23
20200309145
2020-10-01

Seal assembly

#24
20200300240
2020-09-24

Fluid end assembly

#25
20200291928
2020-09-17

Hydraulic fluid pump and retainer assembly for same

#26
20200232455
2020-07-23

Pump With Segmented Fluid End Housing and In-Line Suction Valve

#27
20200224646
2020-07-16

Piston pump, particularly a high-pressure fuel pump for an internal combustion engine

#28
20200200156
2020-06-25

PUMPING DEVICE

#29
20200191129
2020-06-18

Piston pump

#30
20200011417
2020-01-09

Sealing ring assemblies configured for pressure locking

#31
20190353251
2019-11-21

Compression seal for use on reciprocating pump

#32
20190277246
2019-09-12

Rotary hydraulic machine

#33
20190145403
2019-05-16

Pump with segmented fluid end housing and in-line valve

#34
20190136841
2019-05-09

Pump for supplying high-pressure fuel

#35
20190049013
2019-02-14

Sealing ring assemblies configured for pressure locking

#36
20190032685
2019-01-31

Bellows system for fluid end

#37
20180372044
2018-12-27

High pressure pump with pump spring sealing sleeve

#38
20180313313
2018-11-01

High-pressure fuel supply pump, manufacturing method thereof, and method of bonding two members

#39
20180180006
2018-06-28

Piston fuel pump for an internal combustion engine

#40
20180171999
2018-06-21

Fluid end of a reciprocating pump with reduced stress

#41
20180163719
2018-06-14

Reciprocating pump

#42
20180135619
2018-05-17

High-pressure fuel pump

#43
20180128227
2018-05-10

Fuel pump apparatus

#44
20180119443
2018-05-03

Motor can seal and shaft

#45
20180087503
2018-03-29

Pump system

#46
20180017047
2018-01-18

BOX LUBRICATION PUMP

#47
20180017046
2018-01-18

BOX LUBRICATION PUMP

#48
20170306912
2017-10-26

Piston fuel pump for an internal combustion engine

#49
20170227001
2017-08-10

Fluid pump leakage diversion

#50
20170016461
2017-01-19

Seal assemblies for reciprocating and rotary applications

#51
20170016441
2017-01-19

High pressure sealing arrangement

#52
20170009767
2017-01-12

Piston fuel pump for an internal combustion engine

#53
20160377079
2016-12-29

Hydraulic machine

#54
20160222960
2016-08-04

High-pressure fuel pump

#55
20150345447
2015-12-03

Plug-in pump

#56
20150204316
2015-07-23

Piston pump with barrier fluid seal

#57
20150093264
2015-04-02

Pump

#58
20150003971
2015-01-01

Sealing arrangement for semi-hermetic compressor

#59
20140314588
2014-10-23

Fuel injection pump

#60
20140255226
2014-09-11

Box lubrication pump

#61
20140015202
2014-01-16

High pressure sealing arrangement

#62
20130323103
2013-12-05

Seal assemblies for reciprocating and rotary applications

#63
20130309112
2013-11-21

Reciprocating pump with high-pressure seal

#64
20130152779
2013-06-20

Shaft arrangement for an axial piston pump assembly

#65
20130039788
2013-02-14

Bellows backup chamber

#66
20130017107
2013-01-17

DIESEL ENGINE FUEL INJECTION PUMP WHICH PISTONS ARE SEALED WITH ALL METAL SEAL RINGS

#67
20120308424
2012-12-06

SEALING DEVICE, AND PUMP DEVICE USING SAME

#68
20120145131
2012-06-14

Fuel supply pump

#69
20110129363
2011-06-02

Fuel pump

#70
20110108007
2011-05-12

Fuel pump with reduced seal wear for a direct injection system

#71
20110030213
2011-02-10

HYDRAULIC INSTALLATION TOOL FOR PUMP PLUNGER

#72
20100294126
2010-11-25

Hydraulic fluid pump having a sealing element

#73
20100266431
2010-10-21

Gasket for high-pressure pump and high-pressure pump comprising said gasket

#74
20100043760
2010-02-25

Fuel pump

#75
20090274568
2009-11-05

Piston pump

#76
20090220363
2009-09-03

Piston pump for a vehicle brake system with a sealing element

#77
20090148329
2009-06-11

Vane pump and vapor leakage check system having the same

#78
20090072492
2009-03-19

High pressure fuel pump with a gasket

#79
20090004035
2009-01-01

Motor/Pump Assembly With Improved Sealing

#80
20080069709
2008-03-20

Method for plasma coating an object of elastomeric material

#81
20070251499
2007-11-01

High-pressure pump for a fuel injection system of an internal combustion engine

#82
20070166174
2007-07-19

Statically sealed high pressure fuel pump and method

#83
20060201484
2006-09-14

High pressure pump and method of reducing fluid mixing within same

#84
20060188381
2006-08-24

Seal assembly for hydraulic pump output shaft

#85
20060177326
2006-08-10

Piston pump

#86
20060104843
2006-05-18

High pressure fuel pump

#87
20060001222
2006-01-05

Gasket

#88
20050287016
2005-12-29

Radial piston pump

#89
20050084389
2005-04-21

Radial piston pump with flat seal between flange and housing