ClassID:

142705

F04B9/02 - CPC Classification

Classification description:

Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical

Sub-classes:
Recent Application in this class:
#1
20260139662
2026-05-21

ELECTRICALLY OPERATED LINEAR PUMP AND PUMP DRIVE

#2
20260137257
2026-05-21

COMBINED CLEANING AND WRINGING SYSTEM FOR A MOPPING DEVICE

#3
20260132780
2026-05-14

FLUID MACHINE AND METHOD FOR CONTROLLING SUCH A MACHINE

#4
20260117756
2026-04-30

LINEAR ACTUATOR FOR A HIGH-PRESSURE PUMP

#5
20260110297
2026-04-23

INDEPENDENT LUBE SYSTEMS FOR RECIPROCATING PUMP

#6
20260063119
2026-03-05

PUMP SYSTEM USING VARIABLE CONTROL OF A TORQUE REQUIREMENT OF A FLUID PUMP

#7
20260063114
2026-03-05

SCREW DRIVEN PISTON PUMP

#8
20260049603
2026-02-19

VALVE CARTRIDGE ASSEMBLY FOR A FLUID PUMP

#9
20260043395
2026-02-12

DUPLEX DRIVE HEAD

#10
20260043394
2026-02-12

LINEAR DRIVE ASSEMBLY

#11
20250369486
2025-12-04

CONNECTION SYSTEM FOR PLUNGER PUMP DEVICE

#12
20250369429
2025-12-04

SPLIT-TYPE PLUNGER PUMP AND SPLIT-TYPE PLUNGER PUMP COMPONENT

#13
20250334115
2025-10-30

MATERIAL SUPPLY SYSTEM

#14
20250325996
2025-10-23

DURABLE HIGH-PRESSURE AIRLESS SPRAYING MACHINE

#15
20250305492
2025-10-02

ELECTRIC CYLINDER DEVICE

#16
20250305491
2025-10-02

ELECTRIC CYLINDER DEVICE

#17
20250305490
2025-10-02

ELECTRIC CYLINDER DEVICE

#18
20250303058
2025-10-02

FLUID DELIVERY DEVICE, TRANSCUTANEOUS ACCESS TOOL AND FLUID DRIVE MECHANISM FOR USE THEREWITH

#19
20250290495
2025-09-18

SYSTEM COMPRISING A CARTRIDGE AND AN ACTUATING DEVICE

#20
20250223952
2025-07-10

Speed Regulating Apparatus, Plunger Pump, and Fracturing Device

#21
20250207575
2025-06-26

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

#22
20250180077
2025-06-05

WELL SERVICING PUMP SYSTEM WITH DRIVELINE ASSEMBLY FOR HYDRAULIC FRACTURING SYSTEM

#23
20250180008
2025-06-05

VARIABLE TORQUE CONVERTER FOR BOREHOLE OPERATIONS

#24
20250154946
2025-05-15

VARIABLE TORQUE CONVERTER FOR BOREHOLE OPERATIONS

#25
20250154943
2025-05-15

Air Pump Device with Accessories Storage Function

#26
20250146479
2025-05-08

Pump Assembly and Proportioning Machine

#27
20250099991
2025-03-27

AIRLESS HANDHELD SPRAYER REPAIR

#28
20250035109
2025-01-30

DISPOSABLE PUMP CARTRIDGE

#29
20240401579
2024-12-05

Core of dual-motor driven inflatable pump

#30
20240392777
2024-11-28

SYRINGE PUMP

#31
20240384710
2024-11-21

INSTALLATION FOR PUMPING CRYOGENIC FLUID AND FILLING STATION COMPRISING SUCH AN INSTALLATION

#32
20240360828
2024-10-31

Hydraulic Pump Arrangement

#33
20240309864
2024-09-19

METHOD AND PUMP FOR LOW-FLOW PROPORTIONAL METERING

#34
20240271614
2024-08-15

PUMP POWER END FRAME

#35
20240254977
2024-08-01

Linear drive assembly

#36
20240247646
2024-07-25

MOBILE FRACTURING PUMP TRANSPORT FOR HYDRAULIC FRACTURING OF SUBSURFACE GEOLOGICAL FORMATIONS

#37
20240229870
2024-07-11

Well servicing pump system with driveline assembly for hydraulic fracturing system

#38
20240183345
2024-06-06

VARIABLE DISPLACEMENT PUMPS

#39
20240167465
2024-05-23

ROLLING DIAPHRAGM PUMP

#40
20240125313
2024-04-18

Drive system for a positive displacement pump

#41
20240093680
2024-03-21

Semi-Trailer-Loaded Turbine Fracturing Equipment

#42
20240093583
2024-03-21

POWER SOURCES AND TRANSMISSION NETWORKS FOR AUXILIARY EQUIPMENT ONBOARD HYDRAULIC FRACTURING UNITS AND ASSOCIATED METHODS

#43
20240068458
2024-02-29

INLINE FLUID DISPENSE PUMP ASSEMBLY

#44
20240026876
2024-01-25

CONTROL OF A DUAL-PUMP SINGLE-POWER SOURCE SYSTEM

#45
20240026875
2024-01-25

Control of a dual-pump single-power source system

#46
20240026868
2024-01-25

Engagement and Disengagement With External Gear Box Style Pumps

#47
20230417131
2023-12-28

TORSIONAL COUPLING FOR ELECTRIC HYDRAULIC FRACTURING FLUID PUMPS

#48
20230407854
2023-12-21

LONG STROKE PARALLEL PUMP

#49
20230383737
2023-11-30

SUCKING AND AIR BLOWING STRUCTURE AND MASSAGING DEVICE

#50
20230366394
2023-11-16

Emulsion plunger pump and pump head assembly thereof

#51
20230349274
2023-11-02

Ring latch locking shaft coupling for bi-directional loading

#52
20230340948
2023-10-26

Linear drive assembly

#53
20230337889
2023-10-26

COMBINED CLEANING AND WRINGING SYSTEM FOR A MOPPING DEVICE

#54
20230304483
2023-09-28

Keyless gear timing assembly for a reciprocating pump

#55
20230293813
2023-09-21

FLUID DELIVERY DEVICE, TRANSCUTANEOUS ACCESS TOOL AND INSERTION MECHANISM FOR USE THEREWITH

#56
20230265839
2023-08-24

FRAC PUMP SYSTEM

#57
20230258172
2023-08-17

Optimizing an efficiency of a positive displacement pump with a constant or near-constant speed power source

#58
20230250817
2023-08-10

Monitoring System for Reciprocating Pumps

#59
20230203927
2023-06-29

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#60
20230136204
2023-05-04

ELECTRICALLY OPERATED LINEAR PUMP AND PUMP DRIVE

#61
20230120606
2023-04-20

Pumping systems

#62
20230106780
2023-04-06

Reciprocating Pump

#63
20230066007
2023-03-02

Tappet for acting on a pump piston of a high-pressure fuel pump

#64
20230055844
2023-02-23

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#65
20230036956
2023-02-02

FRACTURING PUMP ASSEMBLY

#66
20230034134
2023-02-02

SCREW DRIVEN PISTON PUMP

#67
20220412331
2022-12-29

Multi-pump integrated mixed fluid delivery device

#68
20220397043
2022-12-15

Device for expanding a fluid

#69
20220362452
2022-11-17

Disposable pump cartridge

#70
20220356871
2022-11-10

Electric drive pump for well stimulation

#71
20220348178
2022-11-03

Electromechanically drivable brake pressure generator

#72
20220341418
2022-10-27

Lubricant structure and lubricant method for belt pumping unit

#73
20220235754
2022-07-28

DIAPHRAGM PUMP DRIVE FOR AN ELECTRIC PUMP

#74
20220228581
2022-07-21

Double acting pump design utilizing two rotating discs

#75
20220228485
2022-07-21

Direct drive for a reservoir fluid pump

#76
20220220949
2022-07-14

Electric drive pump for well stimulation

#77
20220211938
2022-07-07

FLUID DELIVERY DEVICE, TRANSCUTANEOUS ACCESS TOOL AND FLUID DRIVE MECHANISM FOR USE THEREWITH

#78
20220178234
2022-06-09

Torsional coupling for electric hydraulic fracturing fluid pumps

#79
20220163023
2022-05-26

Vehicle hydraulic brake unit having a cylinder bore and piston with rotation prevention parts

#80
20220145879
2022-05-12

Syringe pump

#81
20220112889
2022-04-14

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#82
20220098025
2022-03-31

Transfer assembly for attachment to a front portion of an agricultural vehicle and a method of use

#83
20220090588
2022-03-24

DUPLEX DRIVE HEAD

#84
20220065242
2022-03-03

Measuring backlash of a pump gear train

#85
20220057123
2022-02-24

Liquid feeder

#86
20220034211
2022-02-03

Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations

#87
20220018385
2022-01-20

Connectors for pumping assemblies and methods relating thereto

#88
20210396121
2021-12-23

Oilfield pressure pumping system with slow speed and high pressure fracturing fluid output

#89
20210372395
2021-12-02

Status monitoring and failure diagnosis system for plunger pump

#90
20210310475
2021-10-07

Drive system for a positive displacement pump

#91
20210291208
2021-09-23

Airless handheld sprayer repair

#92
20210270264
2021-09-02

Support for reciprocating pump

#93
20210246968
2021-08-12

Electric drive pump for well stimulation

#94
20210207588
2021-07-08

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#95
20210156370
2021-05-27

Auto-reversing driveshaft system and method

#96
20210131426
2021-05-06

PLUNGER PUMP

#97
20210108625
2021-04-15

Reciprocating injection pump and method of use

#98
20210108624
2021-04-15

PISTON PUMP MANUAL ROLLING SYSTEM AND METHOD OF USE

#99
20210102449
2021-04-08

Downhole pump drive including reverse reduction gear with switching mechanism

#100
20210079905
2021-03-18

Method of reducing air compressor noise

#101
20210079902
2021-03-18

Power sources and transmission networks for auxiliary equipment onboard hydraulic fracturing units and associated methods

#102
20210062806
2021-03-04

COMPRESSOR AND ASSEMBLING METHOD THEREOF

#103
20210062804
2021-03-04

System and method for controlling dual oil pump

#104
20210047920
2021-02-18

Active drilling mud pressure pulsation dampening

#105
20210040830
2021-02-11

Automated control of hydraulic fracturing pumps

#106
20210025375
2021-01-28

Non-pulsating pump and method of controlling the same

#107
20200400139
2020-12-24

Pump assembly and high-pressure cleaning apparatus

#108
20200399997
2020-12-24

Rod pump having a hydraulic cylinder and a variable speed reversible motor-generator

#109
20200386222
2020-12-10

Reciprocating pump trunnions connecting crosshead and connecting rod

#110
20200370633
2020-11-26

Pump gear

#111
20200347843
2020-11-05

Hydraulic fluid pump and stuffing box assembly for same

#112
20200325880
2020-10-15

Piston/liner configuration coordination in a piston pump

#113
20200325770
2020-10-15

Active drilling mud pressure pulsation dampening

#114
20200297935
2020-09-24

Dosing apparatus for dispensing a fluid under aseptic conditions

#115
20200188581
2020-06-18

Fluid delivery device, transcutaneous access tool and insertion mechanism for use therewith

#116
20200180745
2020-06-11

Hydraulic helm pump with integrated electric pump

#117
20200166026
2020-05-28

Direct drive pump assemblies

#118
20200149517
2020-05-14

Concrete pump system and method

#119
20200141401
2020-05-07

Support for reciprocating pump

#120
20200072327
2020-03-05

Power delivery devices for reciprocating engines and related systems and methods

#121
20200072202
2020-03-05

Compressor

#122
20200072201
2020-03-05

Reciprocating pumps having a pivoting arm

#123
20200063725
2020-02-27

Pumping system with control features for controlling stroke duration and injection volume

#124
20200054826
2020-02-20

Fluid delivery device, transcutaneous access tool and fluid drive mechanism for use therewith

#125
20200049136
2020-02-13

Dual turbine direct drive pump

#126
20200040878
2020-02-06

Engagement and disengagement with external gear box style pumps

#127
20200016313
2020-01-16

Medical fluid cassettes and related systems and methods

#128
20200003193
2020-01-02

Self-aligning power screw for syringe pump

#129
20190369133
2019-12-05

Robot device for collection of solid, liquid and/or multiphase samples

#130
20190360560
2019-11-28

Power delivery devices for reciprocating engines, pumps, and compressors, and related systems and methods

#131
20190359180
2019-11-28

Foreign material removal device

#132
20190338761
2019-11-07

Reciprocating injection pump and method of use

#133
20190309583
2019-10-10

Direct Drive Systems

#134
20190293059
2019-09-26

Foam pump and dispenser employing same

#135
20190282284
2019-09-19

Pump

#136
20190277341
2019-09-12

Power end frame assembly for reciprocating pump

#137
20190264667
2019-08-29

Pump drivetrain damper system and control systems and methods for same

#138
20190255251
2019-08-22

Fluid delivery device, transcutaneous access tool and insertion mechanism for use therewith

#139
20190211817
2019-07-11

High-pressure positive displacement plunger pump

#140
20190203705
2019-07-04

POLYMERIC MATERIALS

#141
20190203639
2019-07-04

Driving apparatus with swinging linear motion mechanism

#142
20190203572
2019-07-04

Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations

#143
20190202425
2019-07-04

Electrohydraulic motor vehicle control device comprising a hydraulic unit comprising electric components for actuating an electric motor arranged on a second circuit board embodied redundantly in two parts wherein the two parts define at least a part of an opening through which a pressure source extends

#144
20190195217
2019-06-27

Vacuum pump

#145
20190195213
2019-06-27

Electric driven gas booster

#146
20190192704
2019-06-27

Inactivation of pathogens in biological media

#147
20190186605
2019-06-20

ACTUATOR

#148
20190162640
2019-05-30

Jet fuel thermal oxidation test equipment

#149
20190154015
2019-05-23

Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism

#150
20190145387
2019-05-16

Multi-chamber wobble plate pump

#151
20190137365
2019-05-09

Automated multiple sample processor having a plurality of piston pumps

#152
20190128245
2019-05-02

COMPRESSOR

#153
20190120223
2019-04-25

Uterine distension fluid management system with peristaltic pumps

#154
20190120218
2019-04-25

Tandem motor linear rod pump

#155
20190120217
2019-04-25

Tandem motor linear rod pump

#156
20190093651
2019-03-28

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

#157
20190032720
2019-01-31

Bearing system for reciprocating pump and method of assembly

#158
20190024645
2019-01-24

Method to form impulse jet

#159
20190010935
2019-01-10

Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism

#160
20180345934
2018-12-06

Piston pump assembly

#161
20180340532
2018-11-29

Reciprocating pumps and closures therefore

#162
20180340531
2018-11-29

VARIABLE DISPLACEMENT FUEL PUMP BACKGROUND

#163
20180320683
2018-11-08

Diaphragm pump

#164
20180314288
2018-11-01

Trigger guard and pendant for a portable hydraulic power unit

#165
20180313350
2018-11-01

Solenoid valve for a portable hydraulic power unit

#166
20180313344
2018-11-01

Portable hydraulic power unit having a pump fixed to an exterior side of a fluid supply tank

#167
20180313342
2018-11-01

Portable hydraulic power unit

#168
20180291883
2018-10-11

Compressor with adaptable transmission with respect to the motive source

#169
20180291882
2018-10-11

Disposable pump chamber for an infusion pump

#170
20180223831
2018-08-09

Pump monitoring and notification system

#171
20180163709
2018-06-14

Support for reciprocating pump

#172
20180135614
2018-05-17

SHOCK DAMPENING PUMP

#173
20180087497
2018-03-29

Mechanism for coarse and fine adjustment of flows in fixed displacement pump

#174
20180085189
2018-03-29

Spring-driven pump for dispensing discrete bursts of liquid

#175
20180084898
2018-03-29

Cleaning appliance

#176
20180061676
2018-03-01

Pump apparatus and substrate treating apparatus

#177
20180058441
2018-03-01

High pressure fuel gas pump

#178
20180051686
2018-02-22

Pump having a top portion fixed to an external structure

#179
20180023555
2018-01-25

PUMP FOR OPERATION IN RADIOACTIVE ENVIRONMENT

#180
20180017144
2018-01-18

Belt tightening mechanism for a fluid delivery system

#181
20180010404
2018-01-11

Self-aligning mud pump assembly

#182
20180003164
2018-01-04

Double-chamber piston pump for the distribution of fluid products

#183
20180001040
2018-01-04

Driving method for metering pump, driving apparatus for metering pump, vaporizer, and anesthesia apparatus

#184
20170355631
2017-12-14

BIOGAS COGENERATION SYSTEMS

#185
20170350249
2017-12-07

Compressed fluid motor, and compressed fluid powered vehicle

#186
20170341632
2017-11-30

Break apparatus having detachable pump housing

#187
20170333009
2017-11-23

INSTRUMENTS USED IN COLLECTING FLUID SAMPLES

#188
20170321694
2017-11-09

Pump

#189
20170306938
2017-10-26

Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism

#190
20170304517
2017-10-26

Blood purification device

#191
20170259799
2017-09-14

Piston assembly for a pressure-generating device of a braking system of a motor vehicle

#192
20170234308
2017-08-17

TRANSMISSION FOR PUMP SUCH AS HYDRAULIC FRACTURING PUMP

#193
20170226839
2017-08-10

Torsional coupling for electric hydraulic fracturing fluid pumps

#194
20170203023
2017-07-20

Medical fluid cassettes and related systems and methods

#195
20170184088
2017-06-29

Uterine distension fluid management system with peristaltic pumps

#196
20170183976
2017-06-29

Actuation system utilizing MEMS technology

#197
20170156549
2017-06-08

Liquid soap dispenser with controls positive and reverse rotations of motor and liquid discharge amount through angle counting

#198
20170138913
2017-05-18

Sealing moving with piston in a high-pressure pump

#199
20170137005
2017-05-18

Hydraulics block and hydraulic unit

#200
20170130792
2017-05-11

Pressure generator for a hydraulic vehicle braking system

#201
20170130708
2017-05-11

Drive assembly and pump assembly arrangement for cryogenic pump

#202
20170128664
2017-05-11

Fluid delivery device, transcutaneous access tool and fluid drive mechanism for use therewith

#203
20170107982
2017-04-20

SYSTEM AND METHOD FOR OPERATION OF A PUMP WITH FEED AND DISPENSE SENSORS, FILTRATION AND DISPENSE CONFIRMATION, AND REDUCED PRESSURE PRIMING OF FILTER

#204
20170107979
2017-04-20

Tandem motor linear rod pump

#205
20170072137
2017-03-16

Mechanical driver

#206
20170067546
2017-03-09

Power delivery devices for reciprocating engines and related systems and methods

#207
20170067454
2017-03-09

COMPRESSED AIR ENERGY STORAGE SYSTEM

#208
20170058891
2017-03-02

Modular pump system

#209
20170058890
2017-03-02

Reciprocating pump

#210
20170051732
2017-02-23

Pump system and method of starting pump

#211
20170030445
2017-02-02

Rotation/translation converter gear unit

#212
20170028968
2017-02-02

Foreign material removal device

#213
20170009766
2017-01-12

Rigid piston-actuator-assembly supported for performing a pendulum-type tolerance compensation motion

#214
20160369793
2016-12-22

Liquid delivery pump

#215
20160369609
2016-12-22

Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations

#216
20160366788
2016-12-15

Liquid supply mechanism and liquid cooling system

#217
20160363198
2016-12-15

Power delivery devices for reciprocating engines and related systems and methods

#218
20160333874
2016-11-17

Foam pump and dispenser employing same

#219
20160305424
2016-10-20

Pump having a cap retaining a diaphragm in a receptacle

#220
20160305412
2016-10-20

Adjustable pumping apparatus

#221
20160305317
2016-10-20

Engine

#222
20160290325
2016-10-06

Fluid pump

#223
20160273323
2016-09-22

Flexible beam vertical pumping unit

#224
20160251007
2016-09-01

Pump for integrated brake system

#225
20160245275
2016-08-25

Mechanism for fine adjustment of flows in fixed displacement pump

#226
20160213851
2016-07-28

Dosing apparatus for dispensing a fluid under aseptic conditions

#227
20160177249
2016-06-23

Reactor system

#228
20160168995
2016-06-16

Variable displacement system

#229
20160152460
2016-06-02

Rotary cabonator

#230
20160138579
2016-05-19

Epicyclical fluid pump assembly

#231
20160131130
2016-05-12

Power unit of hydraulic pumping unit and corresponding hydraulic pumping unit

#232
20160097377
2016-04-07

High-pressure fluid mixing pump control system and fluid suction control method

#233
20160095413
2016-04-07

Oscillating linear actuator

#234
20160082168
2016-03-24

Medical peristaltic pump

#235
20160076526
2016-03-17

Ultra High Pressure Pump With An Alternating Rotation To Linear Displacement Drive Mechanism

#236
20160047365
2016-02-18

Canted off-axis driver for quiet pneumatic pumping

#237
20160025192
2016-01-28

Variable speed drive system

#238
20160025090
2016-01-28

Bearing system for reciprocating pump and method of assembly

#239
20160025089
2016-01-28

Support for reciprocating pump

#240
20160025088
2016-01-28

Power end frame assembly for reciprocating pump

#241
20160025082
2016-01-28

System and method for reinforcing reciprocating pump

#242
20160017871
2016-01-21

Mounting arrangement for an oil pump in a refrigeration compressor

#243
20150377318
2015-12-31

Pump drivetrain damper system and control systems and methods for same

#244
20150377261
2015-12-31

Pressure generator for a hydraulic vehicle brake system

#245
20150360530
2015-12-17

Active suspension apparatus for vehicle and pump thereof

#246
20150354557
2015-12-10

Reciprocating low-speed heavy-load hydraulic pump with variable action area

#247
20150316142
2015-11-05

Transmission for motor vehicle and method of pumping transmission fluid through the transmission

#248
20150308243
2015-10-29

WIRELINE PUMP

#249
20150292495
2015-10-15

SYRINGE QUICK DISCONNECT APPARATUS AND RELATED METHOD

#250
20150252796
2015-09-10

Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems

#251
20150251889
2015-09-10

Rotary Cabonator

#252
20150233361
2015-08-20

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

#253
20150231656
2015-08-20

Pump suction/expulsion for liquids and gases versatile

#254
20150226205
2015-08-13

Mechanical drive system for a pulseless positive displacement pump

#255
20150226202
2015-08-13

Linear compressor

#256
20150219081
2015-08-06

Electronically controlled linear pump drive

#257
20150211524
2015-07-30

Torsional coupling for electric hydraulic fracturing fluid pumps

#258
20150176697
2015-06-25

Efficiency Spur Gear Set Housing

#259
20150158349
2015-06-11

Compressor for a self-inflating pneumatic tire

#260
20150121695
2015-05-07

Method and device for assembling swash plate-type fluid machine

#261
20150082925
2015-03-26

Gear motor pump assembly

#262
20150078931
2015-03-19

PUMP SYSTEM

#263
20150075230
2015-03-19

Washing machine and detergent delivery pump assembly thereof

#264
20150065958
2015-03-05

Dosing unit for an ambulatory infusion device

#265
20150048109
2015-02-19

Dosing device overcoming change in viscidity of detergent and method for controlling same

#266
20140314594
2014-10-23

Pump

#267
20140312074
2014-10-23

Drive Mechanism for an Injection Device and a Method of Assembling an Injection Device Incorporating Such Drive Mechanism

#268
20140294636
2014-10-02

Reciprocating compressor

#269
20140245976
2014-09-04

Fuel distribution block

#270
20140147317
2014-05-29

COMPRESSOR WITH SWASH PLATE

#271
20140147305
2014-05-29

Reciprocating pump assembly for liquids

#272
20140142508
2014-05-22

Fluid delivery device, transcutaneous access tool and insertion mechanism for use therewith

#273
20140128839
2014-05-08

Fluid delivery device and transcutaneous access tool with blood glucose monitoring for use therewith

#274
20140127048
2014-05-08

Fluid delivery device, transcutaneous access tool and fluid drive mechanism for use therewith

#275
20140105768
2014-04-17

Hydrostatic actuator and arrangement of a hydrostatic actuator in a motor vehicle

#276
20140093411
2014-04-03

Wobble drive mechanism

#277
20140044570
2014-02-13

System and method for a pump with onboard electronics

#278
20140044563
2014-02-13

Diaphragm pumps

#279
20140037482
2014-02-06

Portable working machine

#280
20140033914
2014-02-06

Piston pump comprising flat guiding

#281
20130331774
2013-12-12

Medical fluid cassettes and related systems and methods

#282
20130327206
2013-12-12

Compressed fluid motor, and compressed fluid powered vehicle

#283
20130269186
2013-10-17

Method and device for assembling swash plate-type fluid machine

#284
20130259710
2013-10-03

Working vehicle and method for controlling a working vehicle

#285
20130220112
2013-08-29

CRYOGENIC REFRIGERATOR

#286
20130216403
2013-08-22

METHOD OF MAINTAINING HYDRAULIC PUMP IN A RENEWABLE ENERGY TURBINE GENERATOR

#287
20130195691
2013-08-01

Swing barrel type positive displacement pump using cross shaft joint bearing

#288
20130177462
2013-07-11

Dosing pump arrangement

#289
20130129532
2013-05-23

Syringe Infusion Pump

#290
20130121854
2013-05-16

Gearbox

#291
20130098029
2013-04-25

Pumping assembly using active materials

#292
20130064693
2013-03-14

Plunger pump for volumes below one microliter, allowing manual intervention

#293
20130028779
2013-01-31

PUMP

#294
20120315167
2012-12-13

Quintuplex mud pump

#295
20120308413
2012-12-06

Toothed wheel and pump aggregate with such a toothed wheel

#296
20120294735
2012-11-22

Coupling system for use with fluid displacement apparatus

#297
20120282118
2012-11-08

Reciprocation pump and a dialysis apparatus equipped with the reciprocation pump

#298
20120272764
2012-11-01

Modular pump design

#299
20120266749
2012-10-25

Reciprocation pump and a dialysis apparatus equipped with the reciprocation pump

#300
20120263616
2012-10-18

Fluid power helical rotary actuator