ClassID:

142937

F04B35/04 - page 2 - CPC Classification

Classification description:

Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric

Recent Application in this class:
#301
20200325883
2020-10-15

Vehicular electric compressor

#302
20200318622
2020-10-08

Linear compressor

#303
20200313502
2020-10-01

Carrier clamping feature for stator-fixation used in climate compressors for vehicle applications

#304
20200313455
2020-10-01

MULTIFUNCTION UNIT INCLUDING A POWER MODULE

#305
20200309107
2020-10-01

Motor-driven compressor

#306
20200300246
2020-09-24

Package-type compressor

#307
20200300073
2020-09-24

Oversized switchgear trailer for electric hydraulic fracturing

#308
20200284251
2020-09-10

Pressure safety shutoff

#309
20200262406
2020-08-20

Watertight chamber type electric vacuum pump and vacuum boosting brake system

#310
20200248681
2020-08-06

Electric compressor

#311
20200244115
2020-07-30

Compressor provided with a motor

#312
20200235637
2020-07-23

Mechanical drive system and associated motor compressor

#313
20200232453
2020-07-23

Control device for electric compressor, electric compressor, air conditioning device for moving object, and method for controlling electric compressor

#314
20200212656
2020-07-02

Blower and air conditioner having the same

#315
20200212462
2020-07-02

ELECTRICALLY DRIVEN COMPRESSOR

#316
20200208622
2020-07-02

Compressor and outdoor unit of air-conditioning apparatus

#317
20200208621
2020-07-02

Sound generator

#318
20200208620
2020-07-02

Connection structure for motor of air compressor

#319
20200208523
2020-07-02

SCREW COMPRESSOR

#320
20200189360
2020-06-18

Startup control systems and methods to reduce flooded startup conditions

#321
20200182231
2020-06-11

Linear compressor and method for controlling the same

#322
20200173434
2020-06-04

Air compressor

#323
20200173432
2020-06-04

Electrical grounding assembly arrangement for reciprocating compressor

#324
20200173430
2020-06-04

BATTERY-POWERED PUMP

#325
20200158100
2020-05-21

REFRIGERANT COMPRESSOR

#326
20200158099
2020-05-21

Plastic air pump mechanism

#327
20200158098
2020-05-21

Electric pump device

#328
20200149520
2020-05-14

SEALED REFRIGERANT COMPRESSOR AND REFRIGERATION DEVICE INCLUDING SAME

#329
20200149518
2020-05-14

Linear compressor

#330
20200132063
2020-04-30

PUMP UNIT

#331
20200132062
2020-04-30

Zipper tab assembly with exhausting/inflating functions

#332
20200124036
2020-04-23

OIL-FREE VACUUM PUMP HAVING A PRISMATIC PISTON AND CORRESPONDING COMPRESSOR

#333
20200119626
2020-04-16

Electric pump

#334
20200102953
2020-04-02

Air compressor

#335
20200095989
2020-03-26

Compressor including rotor frame

#336
20200088183
2020-03-19

Linear compressor

#337
20200088180
2020-03-19

Compressor having oil guide path

#338
20200088179
2020-03-19

Method for reducing the pulsation level in a multi-compressor plant employing reciprocating compressors

#339
20200083774
2020-03-12

METHOD FOR PRODUCING A ROTOR UNIT

#340
20200080552
2020-03-12

PLUNGER STRUCTURE AND PLUNGER PUMP

#341
20200072202
2020-03-05

Compressor

#342
20200062052
2020-02-27

Wheel-mounted air compression apparatus

#343
20200056603
2020-02-20

Linear compressor and method for controlling linear compressor

#344
20200056602
2020-02-20

Air compressor

#345
20200049142
2020-02-13

NOISE REDUCING SILENCER WITH SPIRAL CHAMBERS FOR A COMPRESSOR

#346
20200032792
2020-01-30

Compressor including terminal protection structure

#347
20200025189
2020-01-23

Compressor assembly for a compressed-air feed of a compressed-air supply system

#348
20200018304
2020-01-16

Control device, control method, motor, and electric oil pump

#349
20200018300
2020-01-16

Device for driving a compressor and method for assembling the device

#350
20200011318
2020-01-09

Linear compressor

#351
20200011312
2020-01-09

Cylinder assemble structure for compact air compressor

#352
20200011311
2020-01-09

Portable inflator

#353
20200007013
2020-01-02

Motor including a balance weight and compressor provided with the same

#354
20200003201
2020-01-02

Linear compressor

#355
20200003198
2020-01-02

Reciprocating compressor

#356
20190390538
2019-12-26

Downhole Solid State Pumps

#357
20190383284
2019-12-19

Linear compressor and method for controlling linear compressor

#358
20190380196
2019-12-12

Circuit board, motor, controller, and electric pump

#359
20190376498
2019-12-12

Micro high-pressure air compressor

#360
20190375253
2019-12-12

Compressor assembly having a magnetic coupling

#361
20190368482
2019-12-05

Reciprocating compressor

#362
20190368480
2019-12-05

Push-pull compressor having ultra-high efficiency for cryocoolers or other systems

#363
20190360479
2019-11-28

Linear compressor

#364
20190356207
2019-11-21

Linear motor and compressor

#365
20190353155
2019-11-21

Linear compressor

#366
20190353154
2019-11-21

Linear compressor

#367
20190353152
2019-11-21

CASE FOR ACCOMMOCATING AIR COMPRESSOR

#368
20190353151
2019-11-21

ELECTRIC AIR PUMP

#369
20190348225
2019-11-14

Cooling of electrolytic capacitors in electrical climate compressors

#370
20190345924
2019-11-14

Linear compressor with a coupling

#371
20190345923
2019-11-14

Gas compressor

#372
20190344455
2019-11-14

Compressed air-based autonomous power generation system for stand-alone industrial robot jigs

#373
20190338763
2019-11-07

Portable air compressor

#374
20190331121
2019-10-31

Device for driving a compressor and method for assembling of the device

#375
20190316577
2019-10-17

Linear compressor and methods of extension control

#376
20190309746
2019-10-10

Linear compressor

#377
20190309745
2019-10-10

Screw Compressor for a Utility Vehicle

#378
20190309743
2019-10-10

Linear compressor

#379
20190309740
2019-10-10

Electric compressor

#380
20190288630
2019-09-19

Switch Actuation Measurement Circuit For Voltage Converter

#381
20190288307
2019-09-19

Startup control method and control system for fuel cell

#382
20190285062
2019-09-19

ALTERNATIVE TWIN CYLINDER AIR COMPRESSOR

#383
20190277290
2019-09-12

Electric compressor having electrical connection unit, and stator assembly for the same

#384
20190277276
2019-09-12

Air compressor and methods of operation

#385
20190264676
2019-08-29

Method and apparatus for vibration compensation in a piston compressor

#386
20190263363
2019-08-29

Inflator with dynamic pressure compensation

#387
20190263305
2019-08-29

Device for providing a pneumatic pressure medium by means of a pressure medium source for at least one pressure medium chamber of a vehicle seat of a motor vehicle in particular

#388
20190257306
2019-08-22

Reciprocating Compressor System with Liquid Pumping Capability

#389
20190249653
2019-08-15

COMPRESSOR

#390
20190245425
2019-08-08

Transverse flux type linear motor and linear compressor having the same

#391
20190245424
2019-08-08

Linear motor and linear compressor having the same

#392
20190245404
2019-08-08

Motor-driven compressor

#393
20190234392
2019-08-01

Semi-Hermetic Refrigerant Compressor

#394
20190234391
2019-08-01

Linear compressor

#395
20190232230
2019-08-01

Degassing apparatus

#396
20190226729
2019-07-25

Cooling system for air conditioner

#397
20190226468
2019-07-25

Air compressor unit

#398
20190226466
2019-07-25

Linear compressor

#399
20190223505
2019-07-25

Press puffing device

#400
20190222154
2019-07-18

Variable wobbler plate for integrated drive generator

#401
20190219044
2019-07-18

AIR COMPRESSOR AND METHOD OF OPERATION

#402
20190211817
2019-07-11

High-pressure positive displacement plunger pump

#403
20190207544
2019-07-04

Motor control system and motor control method

#404
20190203780
2019-07-04

Plastic composite containing magnetic alloy powder, air conditioner compressor having the same and method of producing them

#405
20190195213
2019-06-27

Electric driven gas booster

#406
20190195212
2019-06-27

Electric compressor

#407
20190190337
2019-06-20

Rotor, rotary electric machine, and compressor

#408
20190186480
2019-06-20

Closed loop torque compensation for compressor applications

#409
20190184777
2019-06-20

Pump assembly for wheel

#410
20190183099
2019-06-20

Direct Current Pump

#411
20190181718
2019-06-13

Electrical device and method having an electrical cord set convertible between different electrical amperage ratings

#412
20190178538
2019-06-13

Linear compressor

#413
20190178240
2019-06-13

COMPRESSOR

#414
20190178237
2019-06-13

Linear compressor

#415
20190176548
2019-06-13

System for tire inflation

#416
20190170130
2019-06-06

Linear motor system and compressor

#417
20190162174
2019-05-30

Method of mounting a bearing to an air compressor, and air compressor having a bearing mounted by the method

#418
20190161934
2019-05-30

Method for installing rotary machine, and rotary machine

#419
20190154024
2019-05-23

Method for protecting an electric motor of a device with a motor driven consumer with a continuous capacity control system and choice of such a motor

#420
20190149029
2019-05-16

Vehicle linear motor

#421
20190145396
2019-05-16

Valve having a first and second obstruction confining the valve from leaving a confining region

#422
20190131848
2019-05-02

Cover assembly for on-board electric equipment and method of manufacturing the cover assembly

#423
20190128262
2019-05-02

Electrically driven mobile compressor or pump and method for controlling the maximum current that is taken from a power supply

#424
20190128254
2019-05-02

Method of driving an atmospheric air pump in a capillary electrophoresis apparatus

#425
20190128249
2019-05-02

Electric compressor, and refrigeration air-conditioning apparatus

#426
20190128247
2019-05-02

System and Method for a Reciprocating Injection Pump

#427
20190128245
2019-05-02

COMPRESSOR

#428
20190127098
2019-05-02

Portable air extracting device

#429
20190120222
2019-04-25

Cordless compressor

#430
20190120221
2019-04-25

Reciprocating compressor and method for manufacturing a reciprocating compressor

#431
20190120216
2019-04-25

Electric-driven air pump

#432
20190105954
2019-04-11

Automatic electronic air pump

#433
20190093651
2019-03-28

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

#434
20190093649
2019-03-28

Reciprocating type compressor

#435
20190093647
2019-03-28

Lubricating oil supply apparatus and compressor using lubricating oil supply apparatus

#436
20190093646
2019-03-28

Reciprocating type compressor

#437
20190093645
2019-03-28

Linear compressor comprising a stator defining a cylinder space for a cylinder supported by a support member with a cylindrical portion, a first bent portion, and a second bent portion configured to support an area of the cylinder in an axial direction

#438
20190085841
2019-03-21

In-vehicle compression device

#439
20190085836
2019-03-21

Gas transportation device

#440
20190081586
2019-03-14

Device for stabilizing direct current (DC) distribution system

#441
20190071190
2019-03-07

Variable pneumatic output with constant electrical output driven by a single engine

#442
20190063424
2019-02-28

Method for detecting head crashing in a linear compressor

#443
20190063413
2019-02-28

BARREL CAM DRIVEN RECIPROCATING PUMP

#444
20190058269
2019-02-21

Terminal assembly for electric compressor

#445
20190056766
2019-02-21

Portable electronic device with actuating and sensing module

#446
20190055935
2019-02-21

Reciprocating compressor and control method therefor

#447
20190055934
2019-02-21

Miniature gas control device

#448
20190052144
2019-02-14

Compressor

#449
20190052070
2019-02-14

Electric wire lead-in part structure of electric compressor, and electric compressor and shield electric wire provided with same

#450
20190049161
2019-02-14

Axial flow compressor for HVAC chiller systems

#451
20190048863
2019-02-14

Push-pull compressor having ultra-high efficiency for cryocoolers or other systems

#452
20190047371
2019-02-14

Circuit assembly having vibration-proof fixing structure for circuit component, and electric compressor for vehicle

#453
20190037284
2019-01-31

Driving and information transmitting system for sensing module

#454
20190032649
2019-01-31

Linear compressor

#455
20190024650
2019-01-24

Hermetic compressor

#456
20190023091
2019-01-24

Tire pressure control system and components

#457
20190017499
2019-01-17

Multiple diaphragm pump

#458
20190017497
2019-01-17

Portable Air Compressor

#459
20190010939
2019-01-10

METHOD FOR DETECTING A BLOCKED VALVE OF A COOLANT COMPRESSOR AND A CONTROL SYSTEM FOR A COOLANT COMPRESSOR

#460
20190003470
2019-01-03

Compressor

#461
20190003468
2019-01-03

Portable pump

#462
20180372082
2018-12-27

Linear compressor

#463
20180372079
2018-12-27

Portable pump

#464
20180372078
2018-12-27

Electric air pump

#465
20180363646
2018-12-20

Diaphragm pump

#466
20180363644
2018-12-20

PLUNGER STRUCTURE AND PLUNGER PUMP

#467
20180356131
2018-12-13

Cryocooler with magnetic reciprocating piston

#468
20180354326
2018-12-13

Vehicle coupling lines storage and control arrangement

#469
20180347879
2018-12-06

Air conditioner provided with means for predicting and detecting failure in compressor and method for predicting and detecting the failure

#470
20180340527
2018-11-29

Refrigerant compressor and refrigeration device including refrigerant compressor

#471
20180337570
2018-11-22

Magnetizing method, rotor, motor, and scroll compressor

#472
20180335233
2018-11-22

Hermetic compressor for positive displacement

#473
20180335027
2018-11-22

Discharge conduit connection for a compressor

#474
20180333546
2018-11-22

Essential oils diffuser

#475
20180320677
2018-11-08

AIR COMPRESSOR

#476
20180320676
2018-11-08

AIR COMPRESSOR

#477
20180313196
2018-11-01

Cooling systems and methods for downhole solid state pumps

#478
20180313195
2018-11-01

Wireline-deployed solid state pump for removing fluids from a subterranean well

#479
20180306188
2018-10-25

Compressor provided with an electronic pressure switch and method of regulating the pressure within such a compressor

#480
20180306179
2018-10-25

ZERO PULSATION PUMP

#481
20180306178
2018-10-25

Blower

#482
20180304718
2018-10-25

Air suspension system

#483
20180292679
2018-10-11

Glasses with wearing cushion device

#484
20180291890
2018-10-11

INTEGRATED MUFFLER ASSEMBLY

#485
20180291887
2018-10-11

Eyeglass buffer protection device

#486
20180281565
2018-10-04

Inverter-integrated electric compressor and circuit board, and method for manufacturing circuit board

#487
20180278124
2018-09-27

System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

#488
20180274530
2018-09-27

Method for actuating semi-commanded valve and system for actuating semi-commanded valve for multi-suction alternative compressor

#489
20180274446
2018-09-27

Turbine chilling for oil field power generation

#490
20180266420
2018-09-20

Electric compressor

#491
20180266409
2018-09-20

Fluid sending apparatus

#492
20180245576
2018-08-30

Refrigerant compressor and refrigeration device including refrigerant compressor

#493
20180245575
2018-08-30

VIBRATION TYPE COMPRESSOR

#494
20180238314
2018-08-23

Air inflating device and tire repair machine comprising same

#495
20180238311
2018-08-23

Electric vacuum pump, in particular for arranging in a vehicle

#496
20180230991
2018-08-16

Improper opening detection method of multiple suction reciprocating compressor suction valve

#497
20180223832
2018-08-09

Air compressing apparatus and control method

#498
20180223821
2018-08-09

Transverse flux type reciprocating motor and reciprocating compressor having a transverse flux type reciprocating motor

#499
20180222715
2018-08-09

Compact inflator

#500
20180216861
2018-08-02

Refrigerator control method and system using linear compressor

#501
20180216612
2018-08-02

Portable air compressor

#502
20180216609
2018-08-02

Refrigeration compressor having an outer-rotor type motor with the stator fixed to a member fixed to a cylinder block

#503
20180212503
2018-07-26

Moving core type reciprocating motor and compressor

#504
20180212482
2018-07-26

Permanent magnet embedded motor, compressor, and refrigerating and air conditioning apparatus

#505
20180209408
2018-07-26

Compact voice coil driven high flow fluid pumps and methods

#506
20180202442
2018-07-19

Electric compressor controller and refrigeration cycle device

#507
20180198358
2018-07-12

Moveable core-type reciprocating motor and reciprocating compressor having a moveable core-type reciprocating motor

#508
20180198303
2018-07-12

PORTABLE AIR COMPRESSOR WITH DETACHABLE MULTI-FUNCTIONAL START POWER SUPPLY

#509
20180195509
2018-07-12

Linear compressor and method for controlling linear compressor

#510
20180195504
2018-07-12

Linear compressor

#511
20180195503
2018-07-12

FLUID COMPRESSOR

#512
20180195502
2018-07-12

Linear compressor

#513
20180194200
2018-07-12

On-board fluid machine

#514
20180187674
2018-07-05

Method for operating a linear compressor

#515
20180187671
2018-07-05

Electric inflator

#516
20180185999
2018-07-05

Air pump apparatus using electric actuator and air pump system

#517
20180183219
2018-06-28

Switchgear load sharing for oil field equipment

#518
20180180061
2018-06-28

Fluid machine

#519
20180180039
2018-06-28

METHOD FOR COMPRESSING A GAS, COMPUTING UNIT AND MULTI-STAGE PISTON COMPRESSOR

#520
20180168066
2018-06-14

Air-cooling heat dissipation device

#521
20180160820
2018-06-14

Recessed air pump

#522
20180146574
2018-05-24

Air-cooling heat dissipation device

#523
20180146573
2018-05-24

Air-cooling heat dissipation device and system

#524
20180138763
2018-05-17

Rotor, rotating electric machine, electric compressor, and refrigeration/air-conditioning apparatus

#525
20180135612
2018-05-17

Linear compressor

#526
20180135608
2018-05-17

Plural component proportioner comprising a first pump and a second pump simultaneously driven by a motor connected to the pumps by a yoke assembly comprising a shoe, a tie plate including a slot, and a tie rod

#527
20180128256
2018-05-10

Miniature pneumatic device

#528
20180119687
2018-05-03

Air compressor

#529
20180112902
2018-04-26

Compressor crankcase heating control systems and methods

#530
20180111502
2018-04-26

Voltage control device for fuel-cell vehicle

#531
20180110906
2018-04-26

Breast pump or other medical devices with dynamically adaptive pump configuration providing error detection and distinctive suction profile

#532
20180106245
2018-04-19

Driving system for piezoelectric pump

#533
20180106244
2018-04-19

Electric pump

#534
20180100494
2018-04-12

Compressor with dual bimorph synthetic jet assemblies

#535
20180100243
2018-04-12

GAS DIFFUSION LAYER AND ELECTROCHEMICAL HYDROGEN PUMP

#536
20180099068
2018-04-12

Diffusing apparatus and methods

#537
20180087720
2018-03-29

Drive system for chemical injection pumps and instrument air compressors

#538
20180083502
2018-03-22

Rotor, electric motor, compressor, and refrigeration air conditioner

#539
20180076733
2018-03-15

Power conversion circuit board and electric compressor

#540
20180076681
2018-03-15

Electric compressor motor housing, and vehicle-mounted electric compressor employing same

#541
20180073495
2018-03-15

Compressor housing having sound control chambers

#542
20180069487
2018-03-08

Power conversion circuit board, and electric compressor

#543
20180066802
2018-03-08

Natural gas reciprocating compressor

#544
20180065429
2018-03-08

System for tire inflation

#545
20180058454
2018-03-01

Electric compressor, control device, and monitoring method

#546
20180051691
2018-02-22

AIR SUPPLY DEVICE

#547
20180051685
2018-02-22

COMPRESSOR WITH A DISCHARGE VALVE

#548
20180051683
2018-02-22

Linear compressor with a ball joint coupling

#549
20180045368
2018-02-15

Pump with angled drain system

#550
20180038751
2018-02-08

COMPRESSOR UNIT

#551
20180023554
2018-01-25

Compressor for discharging a medium

#552
20180023553
2018-01-25

Wobble plate compressor and oxygen concentrator using the same

#553
20180010847
2018-01-11

Refrigerator controlling method and system with linear compressor

#554
20180010591
2018-01-11

FLUID ENERGY MACHINE, METHOD FOR GENERATING A FLUID VOLUME FLOW AND/OR FOR COMPRESSING A FLUID AND METHOD FOR REFUELLING A VEHICLE

#555
20180010590
2018-01-11

Load-balanced mud pump assembly

#556
20180003424
2018-01-04

Air conditioning apparatus

#557
20180003224
2018-01-04

Motor system and compressor equipped therewith

#558
20180003179
2018-01-04

Electric compressor

#559
20180003168
2018-01-04

Peristaltic pump having adjustable roller guiding parts

#560
20180003165
2018-01-04

Multistage compressor with magnetically actated compression stage

#561
20170373576
2017-12-28

Transverse flux reciprocating motor and reciprocating compressor having a transverse flux reciprocating motor

#562
20170370354
2017-12-28

Reciprocating motor and reciprocating compressor having a reciprocating motor

#563
20170358926
2017-12-14

Photovoltaic air-conditioning system and photovoltaic air conditioner having same

#564
20170356467
2017-12-14

Blower apparatus

#565
20170356466
2017-12-14

BLOWER APPARATUS

#566
20170356465
2017-12-14

Blower apparatus

#567
20170356464
2017-12-14

BLOWER APPARATUS

#568
20170356463
2017-12-14

Blower apparatus

#569
20170356462
2017-12-14

BLOWER APPARATUS

#570
20170356461
2017-12-14

Blower apparatus

#571
20170356460
2017-12-14

Blower apparatus

#572
20170356459
2017-12-14

BLOWER APPARATUS

#573
20170356458
2017-12-14

BLOWER APPARATUS

#574
20170353095
2017-12-07

Driving Device And Bladeless Fan Utilizing the Same

#575
20170343445
2017-11-30

Torque estimating device of gas compressor

#576
20170343261
2017-11-30

Screw compressor drive control

#577
20170342974
2017-11-30

Modulating pump lever

#578
20170335839
2017-11-23

Compressor control apparatus and control method

#579
20170335837
2017-11-23

Connector for a compressor assembly

#580
20170328603
2017-11-16

Refrigeration system including micro compressor-expander thermal units

#581
20170321937
2017-11-09

Linear compressor

#582
20170321684
2017-11-09

Linear compressor

#583
20170321683
2017-11-09

Linear compressor

#584
20170321677
2017-11-09

Linear compressor having discharge valve, support with rotation prevention protrusions, and discharge cover with protrusion accommodation grooves

#585
20170321676
2017-11-09

Linear compressor

#586
20170321675
2017-11-09

Linear compressor with sound dampening gaskets

#587
20170321674
2017-11-09

Linear compressor having radial stoppers

#588
20170314542
2017-11-02

Linear compressor

#589
20170306941
2017-10-26

Hermetic compressor and refrigeration device

#590
20170302214
2017-10-19

Switch actuation measurement circuit for voltage converter

#591
20170302212
2017-10-19

Driver for high-frequency switching voltage converters

#592
20170302139
2017-10-19

Electric device and electric device manufacturing method

#593
20170298918
2017-10-19

Vibration-dampening air compressor assembly

#594
20170295662
2017-10-12

Electrical device, method for manufacturing electrical device, and electric compressor

#595
20170294814
2017-10-12

Permanent magnet embedded electric motor, compressor and refrigeration air conditioner

#596
20170292342
2017-10-12

Bidirectional piston seals with pressure compensation

#597
20170284409
2017-10-05

Method for controlling motor-driven compressor configured to be installed in vehicle

#598
20170279341
2017-09-28

Motor rotor, motor using this and electric compressor

#599
20170276136
2017-09-28

FLUID MACHINE

#600
20170274720
2017-09-28

Vehicle-height control system and pressure source device