ClassID:

143225

F04B53/166 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  - ; Casings; Cylinders; Cylinder liners or heads; Fluid connections; Adaptations of cylinders Cylinder liners

Sub-classes:
Recent Application in this class:
#1
20260139667
2026-05-21

FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID PASSAGE

#2
20250290505
2025-09-18

FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID PASSAGE

#3
20250283464
2025-09-11

PACKING BORE WEAR SLEEVE RETAINER SYSTEM

#4
20250154948
2025-05-15

PACKING STYLE PISTON ROD

#5
20250101968
2025-03-27

MANUALLY OPERATED PUMP ASSEMBLY

#6
20240392777
2024-11-28

SYRINGE PUMP

#7
20240376892
2024-11-14

Packing bore wear sleeve retainer system

#8
20240318647
2024-09-26

LINER BORE SEAL FOR FLUID END OF A HIGH PRESSURE RECIPROCATING PUMP

#9
20240271616
2024-08-15

AIR COMPRESSOR CYLINDER LINER

#10
20240044233
2024-02-08

MECHANICALLY RESILIENT AND WEAR RESISTANT STEEL COMPOSITIONS AND HIGH-PRESSURE PUMPS AND PUMP COMPONENTS COMPRISED THEREOF

#11
20230141287
2023-05-11

Fluid pump with pressure relief path

#12
20220390055
2022-12-08

Packing bore wear sleeve retainer system

#13
20220381233
2022-12-01

Manually operated pump assembly

#14
20220282719
2022-09-08

Reciprocating pump fluid cylinder sleeve assembly

#15
20220275801
2022-09-01

Containing fluid leaks on additive pumps

#16
20220145879
2022-05-12

Syringe pump

#17
20210277891
2021-09-09

Axial piston-type hydraulic rotary machine

#18
20210215144
2021-07-15

Compressor

#19
20210107097
2021-04-15

CYLINDRICAL COMPRESSOR WITH STANDARDIZED SHELL AND CORE

#20
20200386223
2020-12-10

Multi-layer coating for plunger and/or packing sleeve

#21
20200370657
2020-11-26

Hydraulic assembly, particularly for supplying a brake circuit of a vehicle brake system with fluid at brake pressure

#22
20200362854
2020-11-19

Multi-channel positive displacement pump apparatus

#23
20200325880
2020-10-15

Piston/liner configuration coordination in a piston pump

#24
20200262012
2020-08-20

Cylindrical compressor with standardized shell and core

#25
20200224654
2020-07-16

Piston rod sleeve mounting for fluid sprayer pump

#26
20200088183
2020-03-19

Linear compressor

#27
20190309738
2019-10-10

Hydrostatic axial piston machine

#28
20190277270
2019-09-12

MANUALLY OPERATED PUMP ASSEMBLY

#29
20190093653
2019-03-28

Containing fluid leaks on additive pumps

#30
20180298736
2018-10-18

Subsurface reciprocating pump for gassy and sandy fluids

#31
20180292363
2018-10-11

Biocompatible component with structural reinforcement

#32
20180230993
2018-08-16

Ceramic pump and casting therefor

#33
20180200930
2018-07-19

Pump liner with improved fiber orientation

#34
20180195500
2018-07-12

Cryogenic fluid pump

#35
20180135622
2018-05-17

Piston cartridge for piston pump

#36
20170343107
2017-11-30

Cylinder drum of a hydrostatic axial piston machine having a wear-resistant layer

#37
20170218951
2017-08-03

Fluid End Block for Well Stimulation Pump and Method of Remanufacturing the Same

#38
20170218950
2017-08-03

Plunger pump

#39
20170184009
2017-06-29

Cooling and lubricating system for a piston sealing device

#40
20170096998
2017-04-06

Pump with wear-resistant barrel and plunger having coating support

#41
20160305412
2016-10-20

Adjustable pumping apparatus

#42
20160215774
2016-07-28

Economical High Pressure Wear Resistant Cylinder That Utilizes A High Pressure Field For Strength

#43
20160123312
2016-05-05

Fluid pump having liquid reservoir and modified pressure relief slot

#44
20160076538
2016-03-17

Piston Pump, in Particular High-Pressure Fuel Pump

#45
20160032701
2016-02-04

Fluid end with protected flow passages

#46
20130327212
2013-12-12

Cylinder of a reciprocating piston machine and reciprocating piston machine

#47
20130228068
2013-09-05

High pressure device for fluid media

#48
20130092023
2013-04-18

Compressors with improved sealing assemblies

#49
20130081536
2013-04-04

PUMP PISTON ASSEMBLY WITH ACOUSTIC DAMPENING DEVICE

#50
20130017108
2013-01-17

High pressure pump

#51
20130017107
2013-01-17

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

#52
20120312160
2012-12-13

Fluid pump having liquid reservoir and modified pressure relief slot

#53
20120263613
2012-10-18

Discharge valve and damper for a piston pump

#54
20120207629
2012-08-16

Air compressor and piston for air compressor

#55
20120107144
2012-05-03

VARIABLE BORE CONVERTIBLE COMPRESSOR CYLINDER

#56
20120003110
2012-01-05

Pump for dosing fluids

#57
20110308967
2011-12-22

Pump Cavitation Device

#58
20110283881
2011-11-24

CYLINDER BLOCK ASSEMBLY FOR A HYDRAULIC DEVICE

#59
20100275773
2010-11-04

Pump liner retention device

#60
20100139928
2010-06-10

Replaceable sleeve for a cylinder liner

#61
20100040486
2010-02-18

High pressure pump

#62
20100031815
2010-02-11

Hybrid bearing cylinder

#63
20090178652
2009-07-16

High pressure fuel supply pump for internal combustion engine

#64
20090081034
2009-03-26

Oilfield equipment composed of a base material reinforced with a composite material

#65
20090068039
2009-03-12

Piston pump

#66
20080213112
2008-09-04

Load ring mounting of pumping plunger sleeve

#67
20080202328
2008-08-28

Diaphragm pump liner for critical process applications

#68
20080081136
2008-04-03

Hybrid bearing cylinder

#69
20080080994
2008-04-03

Fluid end reinforced with a composite material

#70
20070087147
2007-04-19

Aeroslide bearing cylinder

#71
20070039157
2007-02-22

Split ceramic bore liner, rotor body having a split ceramic bore liner and method of lining a rotor bore with a split ceramic bore liner

#72
20060198738
2006-09-07

Reciprocating pump

#73
20060182640
2006-08-17

High pressure pump

#74
20060123616
2006-06-15

Cylinder liner preload system

#75
20050196287
2005-09-08

Flexible sleeve syringe and system

#76
20050142016
2005-06-30

Heat insulating structure in piston type compressor

#77
20050089427
2005-04-28

Hydraulic retention system for reciprocating pump cylinder liner

#78
19082284
2026-02-03

Multi-component plunger seal system for a pump and method

#79
17949471
2023-09-12

Packing sleeve for pump fluid end