Patents-Review.com
ClassID:

143223 ⎘

F04B53/162 - 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

Sub-classes:
Recent Application in this class:
#1
20260139668
2026-05-21

RECIPROCATING PUMP POWER END WITH MONOLITHIC CORE

 #2
20260104039
2026-04-16

FLUID ROUTING PLUG

 #3
20260036120
2026-02-05

FLUID END WITH THREADED DYNAMIC SECTION

 #4
20260002530
2026-01-01

PUMP MOUNTING AND RETENTION

 #5
20250389269
2025-12-25

RECIPROCATING PUMP POWER END WITH MONOLITHIC CORE

 #6
20250283454
2025-09-11

FLUID ROUTING PLUG

 #7
20250250974
2025-08-07

HIGH PRESSURE PUMP

 #8
20250154945
2025-05-15

ROBUST DOWNHOLE PUMP BARREL

 #9
20250101975
2025-03-27

PUMP ROD AND DRIVING LINK WITH SIDE-LOAD REDUCING CONFIGURATION

 #10
20250034975
2025-01-30

Fracturing pump spacer frame

 #11
20240376875
2024-11-14

Fluid routing plug

 #12
20240369057
2024-11-07

CYLINDER DEVICE FOR LINEAR COMPRESSOR INSTALLED WITH LINEAR PISTON

 #13
20240352835
2024-10-24

SAFETY BRAKE FOR ELECTRICAL SUBMERSIBLE PUMPS POWERED BY PERMANENT MAGNET MOTORS

 #14
20240344508
2024-10-17

Mechanical liquid piston slow expansion compressor

 #15
20240344506
2024-10-17

High pressure pump

 #16
20240262056
2024-08-08

COMPRESSOR SYSTEM FOR A PUNCTURE REPAIR KIT, PUNCTURE REPAIR KIT HAVING SUCH A COMPRESSOR SYSTEM, AND METHOD FOR SEALING A VEHICLE TYRE WITH SUCH A COMPRESSOR SYSTEM

 #17
20240247647
2024-07-25

COMPACT VOLUMETRIC PUMP

 #18
20240191709
2024-06-13

Pump rod and driving link with side-load reducing configuration

 #19
20240183344
2024-06-06

Efficient five-cylinder drilling pump system, solids control system and drilling rig

 #20
20240167463
2024-05-23

Fluid routing plug

 #21
20240151216
2024-05-09

Piston assembly

 #22
20240068459
2024-02-29

Fluid end assembly

 #23
20240044233
2024-02-08

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

 #24
20230416072
2023-12-28

OSCILLATING ARMATURE PUMP

 #25
20230383745
2023-11-30

Displacement pump mounting and retention

 #26
20230383744
2023-11-30

Displacement pump mounting and retention

 #27
20230366396
2023-11-16

Displacement pump mounting and retention

 #28
20230349375
2023-11-02

Displacement pump mounting and retention

 #29
20230340955
2023-10-26

Displacement pump mounting and retention

 #30
20230332584
2023-10-19

Fluid routing plug

 #31
20230279854
2023-09-07

Method for Removal of Valve Seats within Fluid End Assembly

 #32
20230145178
2023-05-11

Pumping assembly, piston pump and water flosser

 #33
20230141287
2023-05-11

Fluid pump with pressure relief path

 #34
20230138582
2023-05-04

Cover, fluid end and plunger pump

 #35
20230093139
2023-03-23

Capacitive liquid leak detection device

 #36
20230085780
2023-03-23

Compression apparatus and filling station comprising such an apparatus

 #37
20230082554
2023-03-16

Displacement pump mounting and retention

 #38
20230081099
2023-03-16

FRONT ACCESS PACKING ARRANGEMENT AND A PACKING ASSEMBLY INSTALLATION AND REMOVAL METHOD

 #39
20230039253
2023-02-09

SUPPORT FOR RECIPRICATING PUMP

 #40
20230038236
2023-02-09

WELL SERVICE PUMP SYSTEM JOINT

 #41
20230022890
2023-01-26

Fluid end assembly

 #42
20230021713
2023-01-26

Hydraulic pump/motor

 #43
20230012666
2023-01-19

High pressure pump

 #44
20230003205
2023-01-05

Plasma compression driver

 #45
20220412347
2022-12-29

PLUNGER PUMP AND LIQUID BLOW MOLDING DEVICE

 #46
20220397107
2022-12-15

Fluid end assembly

 #47
20220389919
2022-12-08

Compressor

 #48
20220389916
2022-12-08

High pressure pump

 #49
20220381234
2022-12-01

Fluid routing plug

 #50
20220370969
2022-11-24

Piston system and high pressure homogenizer using the piston system

 #51
20220341417
2022-10-27

Displacement pump mounting and retention

 #52
20220341305
2022-10-27

SYSTEMS AND METHODS FOR CATHODIC PROTECTION OF HYDRAULIC FRACTURING PUMP SYSTEMS

 #53
20220316471
2022-10-06

Pressure-pump cartridge and pressure pump

 #54
20220307486
2022-09-29

Fluid end

 #55
20220282725
2022-09-08

High pressure pump

 #56
20220282717
2022-09-08

Fluid routing plug

 #57
20220235751
2022-07-28

Fluid routing plug

 #58
20220213891
2022-07-07

Displacement pump mounting and retention

 #59
20220178361
2022-06-09

Linear compressor

 #60
20220163034
2022-05-26

Modular power end

 #61
20220099074
2022-03-31

Plunger pump, liquid feeding device, and liquid chromatography device

 #62
20220099073
2022-03-31

Fluid end

 #63
20220090590
2022-03-24

Linear compressor

 #64
20220074397
2022-03-10

PUMPING DEVICE, PLANT AND METHOD FOR SUPPLYING LIQUID HYDROGEN

 #65
20220049686
2022-02-17

Fluid end

 #66
20210381504
2021-12-09

WELL SERVICE VALVE SEAT REMOVAL

 #67
20210372387
2021-12-02

TRANSFER PUMP ASSEMBLY

 #68
20210372386
2021-12-02

TRANSFER PUMP

 #69
20210372383
2021-12-02

Pump control system and method

 #70
20210371268
2021-12-02

Spout assembly for a pump

 #71
20210310469
2021-10-07

Vacuum pump

 #72
20210277890
2021-09-09

Pump rod and driving link with side-load reducing configuration

 #73
20210270264
2021-09-02

Support for reciprocating pump

 #74
20210262460
2021-08-26

Inflatable pump

 #75
20210215153
2021-07-15

Piston for compressor

 #76
20210164455
2021-06-03

Compressor device and compression method

 #77
20210148349
2021-05-20

High pressure pump

 #78
20210148346
2021-05-20

Modular power end

 #79
20210148345
2021-05-20

Fluid routing plug

 #80
20210148319
2021-05-20

Piston pump

 #81
20210148208
2021-05-20

Fluid end

 #82
20210140424
2021-05-13

Compressor and manufacturing method thereof

 #83
20210131426
2021-05-06

PLUNGER PUMP

 #84
20210095647
2021-04-01

Axial piston pump with port plate having balance feed aperture relief feature

 #85
20210079901
2021-03-18

Ultra-long stroke multi-cylinder reciprocating pump

 #86
20200400132
2020-12-24

Reciprocating pump

 #87
20200386215
2020-12-10

Positive displacement pump

 #88
20200355172
2020-11-12

FLUID DISPENSING APPARATUS AND METHOD

 #89
20200282682
2020-09-10

High pressure barrel

 #90
20200149636
2020-05-14

Backup ring and liquid feeding pump using backup ring

 #91
20200141401
2020-05-07

Support for reciprocating pump

 #92
20200102951
2020-04-02

Displacement pump mounting and retention

 #93
20200079158
2020-03-12

Vehicle having a compressor assembly

 #94
20190376508
2019-12-12

WELL SERVICE VALVE SEAT REMOVAL

 #95
20190331110
2019-10-31

Well service pump system structural joint housing having a first connector and a second connector each including one or more lands and grooves that are configured to mate with corresponding lands and grooves in an end cylinder housing and a ram cylinder housing

 #96
20190277341
2019-09-12

Power end frame assembly for reciprocating pump

 #97
20190242377
2019-08-08

Piston head retaining system

 #98
20190219042
2019-07-18

Fluid dispensing apparatus and method

 #99
20190170138
2019-06-06

PUMP ASSEMBLY INCLUDING FLUID CYLINDER AND TAPERED VALVE SEATS

 #100
20190154532
2019-05-23

Reciprocating pump

 #101
20190136840
2019-05-09

Reciprocating pump

 #102
20190107107
2019-04-11

MODULAR PUMP HOUSING

 #103
20190101107
2019-04-04

Plunger pump having a rotatable plunger with cut face disposed in a cylinder wherein the cylinder includes a main body and a spacer section with the spacer section having a greater length in an axial direction than the maximum stroke length of the plunger

 #104
20190060930
2019-02-28

PUMP SYSTEMS, PUMP ENGINES AND METHODS OF MAKING THE SAME

 #105
20190054485
2019-02-21

Pump for under counter dispensing system

 #106
20190032720
2019-01-31

Bearing system for reciprocating pump and method of assembly

 #107
20190017502
2019-01-17

Piston pump assembly for a hydraulic power vehicle braking system

 #108
20180340531
2018-11-29

VARIABLE DISPLACEMENT FUEL PUMP BACKGROUND

 #109
20180274536
2018-09-27

Housing for high-pressure fluid applications

 #110
20180209405
2018-07-26

IMPROVED PULSE-FREE METERING PUMP AND METHODS RELATING THERETO

 #111
20180180041
2018-06-28

Reciprocating Compressor Provided with Arrangement of Suction Valves

 #112
20180171999
2018-06-21

Fluid end of a reciprocating pump with reduced stress

 #113
20180163709
2018-06-14

Support for reciprocating pump

 #114
20180128227
2018-05-10

Fuel pump apparatus

 #115
20180078958
2018-03-22

Pump for under counter dispensing system

 #116
20180055994
2018-03-01

Method of priming a medical pump

 #117
20180051693
2018-02-22

Sliding component and method for producing the same

 #118
20180030968
2018-02-01

METHODS AND SYSTEMS FOR PRESSURIZING HARSH FLUIDS

 #119
20180010602
2018-01-11

High-pressure pump and production method thereof

 #120
20180003314
2018-01-04

Pump and a valve assembly therefor

 #121
20170363082
2017-12-21

Fluid-end of a high pressure pump

 #122
20170356437
2017-12-14

Head fastening arrangement of cooling compressor

 #123
20170343107
2017-11-30

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

 #124
20170341097
2017-11-30

Metering pump

 #125
20170335831
2017-11-23

Hydraulic device with radial pistons comprising at least one ball bearing

 #126
20170328323
2017-11-16

Axial piston pump having a piston housing having fixed field members mounted thereto and interacting with a stator surrounding the housing and configured to generate a force which urges the housing in an axial direction

 #127
20170321692
2017-11-09

Linear compressor

 #128
20170298932
2017-10-19

Well service valve seat removal

 #129
20170298912
2017-10-19

Hydrostatic pump barrel with sloped kidney ports

 #130
20170260836
2017-09-14

Position sensing for wellsite pumping unit

 #131
20170227002
2017-08-10

CRYOGENIC PUMP AND INLET HEADER

 #132
20170218950
2017-08-03

Plunger pump

 #133
20170218935
2017-08-03

HOUSING UPPER PART OF A LABYRINTH PISTON COMPRESSOR AND METHOD FOR COOLING SAME, AND LABYRINTH PISTON COMPRESSOR

 #134
20170211565
2017-07-27

Pump fluid end assembly mounting system

 #135
20170209831
2017-07-27

Air drier

 #136
20170198691
2017-07-13

PUMP NOZZLE

 #137
20170197227
2017-07-13

Pump systems, pump engines, and methods of making the same

 #138
20170197226
2017-07-13

Pump systems, pump engines, and methods of making the same

 #139
20170184090
2017-06-29

RECIPROCATING WATER PUMP

 #140
20170145994
2017-05-25

Pump and injector for liquid chromatography

 #141
20170122307
2017-05-04

Linear compressor and method for controlling a linear compressor

 #142
20170122306
2017-05-04

Compressor and method for controlling a compressor

 #143
20170108121
2017-04-20

Device including an anti-rotation mechanism for a piston and a method of using the same

 #144
20170082094
2017-03-23

Pump

 #145
20170080150
2017-03-23

Dosing device for an infusion system and method thereof

 #146
20170067459
2017-03-09

Pump assembly including fluid cylinder and tapered valve seats

 #147
20170037836
2017-02-09

Cryogenic pump for liquefied natural gas

 #148
20170022811
2017-01-26

Fluid rotary machine

 #149
20170016432
2017-01-19

Piston pump and valve plate of piston pump

 #150
20170016431
2017-01-19

Positive displacement machines and methods of increasing load-carrying capacities thereof

 #151
20170002808
2017-01-05

COMPRESSOR

 #152
20160377067
2016-12-29

Fluid Dispensing Apparatus and Method

 #153
20160369793
2016-12-22

Liquid delivery pump

 #154
20160369786
2016-12-22

Drive mechanism, pump assembly and lubrication system

 #155
20160367754
2016-12-22

Occlusion detection techniques for a fluid infusion device having a rotary pump mechanism and multiple sensor contact elements

 #156
20160348671
2016-12-01

Fluid flow rate multiplier

 #157
20160341186
2016-11-24

Hydraulic double-acting hand pump

 #158
20160312808
2016-10-27

Bolt retainer for pump fluid end

 #159
20160281706
2016-09-29

Removable shim clip for adjustable piston pump

 #160
20160273532
2016-09-22

A COMPONENT WHICH CONDUCTS A HIGH-PRESSURE MEDIUM

 #161
20160215773
2016-07-28

PISTON AND USE OF SUCH PISTON

 #162
20160208797
2016-07-21

Housing for high-pressure fluid applications

 #163
20160195075
2016-07-07

Pump device and method therefor of conveying fluid, and method of manufacturing the pump device

 #164
20160186788
2016-06-30

Self-aligning mounting and retention system

 #165
20160186745
2016-06-30

Gasketless high pressure connection

 #166
20160186744
2016-06-30

Integral mounting system on axial reciprocating pumps

 #167
20160186743
2016-06-30

Pump rod and driving link with side-load reducing configuration

 #168
20160169221
2016-06-16

System and method for changing proppant concentration

 #169
20160138586
2016-05-19

FUEL PUMP

 #170
20160032948
2016-02-04

Variable displacement piston-in-piston hydraulic unit

 #171
20160025090
2016-01-28

Bearing system for reciprocating pump and method of assembly

 #172
20160025089
2016-01-28

Support for reciprocating pump

 #173
20160025088
2016-01-28

Power end frame assembly for reciprocating pump

 #174
20160025082
2016-01-28

System and method for reinforcing reciprocating pump

 #175
20150369225
2015-12-24

Linear compressor

 #176
20150285243
2015-10-08

Hydraulic pumping assembly, system and method

 #177
20150233361
2015-08-20

MULTIPLEX PUMP SYSTEMS AND ASSOCIATED METHODS OF USE WITH WATERJET SYSTEMS AND OTHER HIGH PRESSURE FLUID SYSTEMS

 #178
20150219096
2015-08-06

Erosion, Corrosion, and Fatigue Prevention for High-Pressure Pumps

 #179
20150204323
2015-07-23

Compressor Cylinder Head for a Compressor, Vehicle Therewith and Method for Cooling and Producing Such a Compressor Cylinder Head

 #180
20150204316
2015-07-23

Piston pump with barrier fluid seal

 #181
20150167658
2015-06-18

Linear compressor

 #182
20150152862
2015-06-04

High pressure pump with pressurizing chamber

 #183
20150135944
2015-05-21

Piston/cylinder unit

 #184
20150110657
2015-04-23

Adjusting device for an adjusting piston of a variable clearance space of a reciprocating compressor

 #185
20150083400
2015-03-26

System and method for changing proppant concentration

 #186
20150017026
2015-01-15

Structure of pump

 #187
20140322037
2014-10-30

Piston pump

 #188
20140301876
2014-10-09

Piston pump having a holder

 #189
20140301868
2014-10-09

Dosing device for an infusion system and method thereof

 #190
20140127054
2014-05-08

Metering pump

 #191
20140096686
2014-04-10

Heating positive-displacement liquid pump

 #192
20140056730
2014-02-27

Hydraulic piston pump with reduced restriction barrel passage

 #193
20130330209
2013-12-12

Gradient systems and methods

 #194
20130309112
2013-11-21

Reciprocating pump with high-pressure seal

 #195
20130195700
2013-08-01

PRESSURIZING PUMP STRUCTURE

 #196
20130087040
2013-04-11

Cylinder housing, in particular pump cylinder housing

 #197
20130087039
2013-04-11

Gasketless high pressure connection

 #198
20130061745
2013-03-14

Removable shim clip for adjustable piston pump

 #199
20130061744
2013-03-14

Offset cam for piston pump

 #200
20130004352
2013-01-03

Hose For A Piston-Chamber Combination

 #201
20120310163
2012-12-06

Dosing device for an infusion system and method thereof

 #202
20120288386
2012-11-15

Solvent delivery pump

 #203
20120275928
2012-11-01

Hydraulic piston pump with reduced restriction barrel passage

 #204
20120237369
2012-09-20

CYLINDER BLOCK OF PISTON-TYPE COMPRESSOR AND METHOD FOR MANUFACTURING THE SAME

 #205
20120234403
2012-09-20

Housing with intersecting passages for high pressure fluid applications

 #206
20120213651
2012-08-23

Precompression effect in pump body

 #207
20120195780
2012-08-02

High pressure pump with pressurizing chamber enclosed within cylinder inserted into housing

 #208
20120177513
2012-07-12

Linear compressor

 #209
20120152112
2012-06-21

Fuel supply pump and manufacturing method of housing of the same

 #210
20120148430
2012-06-14

Pump assembly

 #211
20120137667
2012-06-07

Regenerative hydraulic pump

 #212
20120031264
2012-02-09

Solvent delivery pump plunger backup seal

 #213
20120031174
2012-02-09

Solvent delivery pump and liquid chromatograph

 #214
20120028140
2012-02-02

Thermal hydrogen compressor

 #215
20120012084
2012-01-19

Fuel pump for a direct injection system

 #216
20120006191
2012-01-12

AIR OR GAS COMPRESSION SYSTEM

 #217
20110318192
2011-12-29

Device for delivering thick matter

 #218
20110283881
2011-11-24

CYLINDER BLOCK ASSEMBLY FOR A HYDRAULIC DEVICE

 #219
20110274573
2011-11-10

Half-sleeved and sleeveless plastic piston pumps

 #220
20110255993
2011-10-20

PRECOMPRESSION EFFECT IN PUMP BODY

 #221
20110247488
2011-10-13

High-pressure pump

 #222
20110208154
2011-08-25

Dosing device for an infusion system and method thereof

 #223
20110208127
2011-08-25

Dosing device for an infusion system and method thereof

 #224
20110171044
2011-07-14

Multi-stage reciprocating compressor

 #225
20110142701
2011-06-16

Pump with a Sculptured Fluid End Housing

 #226
20100326668
2010-12-30

POSITION MONITORING FACILITY

 #227
20100272582
2010-10-28

Heating pump for liquids

 #228
20100263528
2010-10-21

Piston pump

 #229
20100231033
2010-09-16

Hydraulic unit for slip-controlled braking systems

 #230
20100226804
2010-09-09

High pressure fuel injector supply pump

 #231
20100209273
2010-08-19

Piston pump

 #232
20100154442
2010-06-24

Portable refrigerant recovery machine

 #233
20100143163
2010-06-10

Packing nut lock and access bore cover locking assembly

 #234
20100139928
2010-06-10

Replaceable sleeve for a cylinder liner

 #235
20100139610
2010-06-10

Lubrication apparatus of fuel pump driven by fuel pump drive cam

 #236
20100078500
2010-04-01

Fuel injection pump having a barrel expansion control sleeve

 #237
20100074776
2010-03-25

Subsea chemical injection system and pumps therefor

 #238
20100054967
2010-03-04

High-Pressure Fuel Pump

 #239
20100049127
2010-02-25

Dosing device for an infusion system and method thereof

 #240
20100043760
2010-02-25

Fuel pump

 #241
20100040484
2010-02-18

Variable volume clearance pocket for a reciprocating compressor cylinder

 #242
20100031815
2010-02-11

Hybrid bearing cylinder

 #243
20100008803
2010-01-14

HIGH-PRESSURE SMALL VOLUME PUMP

 #244
20090257897
2009-10-15

RECIPROCATING PUMP

 #245
20090191077
2009-07-30

PUMP

 #246
20090148322
2009-06-11

Cylinder apparatus, compressor and manufacturing method of cylinder apparatus

 #247
20090120283
2009-05-14

COMBINATION OF A CHAMBER AND A PISTON, A PUMP, A MOTOR, A SHOCK ABSORBER AND A TRANSDUCER INCORPORATING THE COMBINATION

 #248
20090060758
2009-03-05

Fluid machine with radial cylinders

 #249
20080260558
2008-10-23

Device and methods of measuring pressure

 #250
20080219870
2008-09-11

Device for delivering thick matter

 #251
20080193299
2008-08-14

High pressure slurry plunger pump with clean fluid valve arrangement

 #252
20080168898
2008-07-17

Air compressor

 #253
20080095650
2008-04-24

High pressure lubricant pump for steelworks

 #254
20080081136
2008-04-03

Hybrid bearing cylinder

 #255
20080060513
2008-03-13

Piston cartridge

 #256
20080019851
2008-01-24

Method and apparatus for sealing an ultrahigh-pressure fluid system

 #257
20080000065
2008-01-03

Autofrettage process for a pump fluid end

 #258
20070289442
2007-12-20

Half-sleeved and sleeveless plastic piston pumps

 #259
20070087147
2007-04-19

Aeroslide bearing cylinder

 #260
20070071614
2007-03-29

Fluid pump having plunger and method of monoblock casting for housing of the same

 #261
20070045351
2007-03-01

Liquid feed pump, filter housing, valve and spray nozzle and spray apparatus incorporating the same

 #262
20060127228
2006-06-15

High pressure open discharge pump system

 #263
20060045782
2006-03-02

Low-friction reciprocating pump

 #264
20050276705
2005-12-15

Positive displacement pump having piston and/or liner with vapor deposited polymer surface

 #265
20050241898
2005-11-03

Cylinder assembly

 #266
20050232792
2005-10-20

High-pressure small volume pump

 #267
20050178441
2005-08-18

Fuel pump for inter-cylinder direct fuel injection apparatus

 #268
20050158192
2005-07-21

Metering pump

 #269
20050100466
2005-05-12

Fuel supply pump

 #270
15978745
2019-11-05

Discharge cap and block for a fluid end assembly

 #271
15660668
2018-11-20

Superimposed standing valve

 #272
15404134
2018-11-13

Height extended drywall pump

 #273
13154464
2014-07-22

Plunger pump fluid end