ClassID:

142824

F04B23/04 - page 2 - CPC Classification

Classification description:

Pumping installations or systems Combinations of two or more pumps

Recent Application in this class:
#301
20170191922
2017-07-06

System and method for providing stable fluid flow

#302
20170173534
2017-06-22

Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during seawater desalination

#303
20170162283
2017-06-08

Nuclear reactor liquid metal coolant backflow control

#304
20170158293
2017-06-08

Mechanism and arrangement for static and dynamic adjustment of submersible pumps associated with a floating platform

#305
20170150648
2017-05-25

Coolant supply unit, cooling unit, and electronic device

#306
20170143172
2017-05-25

Foam dispensing systems, pumps and refill units having high air to liquid ratios

#307
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

#308
20170083029
2017-03-23

Apparatus for the application of a liquid or viscous medium

#309
20170083028
2017-03-23

Linear programming-based approach to scheduling of crude oil operations in refinery for energy efficiency optimization

#310
20170060145
2017-03-02

System and method for speed control of variable speed pumping systems

#311
20170057619
2017-03-02

Dynamic activation of pumps of a fluid power system

#312
20170037717
2017-02-09

System for reducing vibrations in a pressure pumping fleet

#313
20170030178
2017-02-02

Electric powered pump down

#314
20170028418
2017-02-02

Systems and methods for metering a dose volume of fluid used to treat microelectronic substrates

#315
20170016438
2017-01-19

Compressor system including a plurality of compressors

#316
20170016433
2017-01-19

Reducing fluid pressure spikes in a pumping system

#317
20160377094
2016-12-29

Pump system and its controlling method for cleaning strainer

#318
20160377065
2016-12-29

Duplex Metering Pump Having a Single Liquid End

#319
20160369609
2016-12-22

Mobile fracturing pump transport for hydraulic fracturing of subsurface geological formations

#320
20160305412
2016-10-20

Adjustable pumping apparatus

#321
20160273328
2016-09-22

Cable management of electric powered hydraulic fracturing pump unit

#322
20160258426
2016-09-08

Accumulator over hydraulic pump double-acting cylinder for artificial lift operations

#323
20160252057
2016-09-01

Apparatus and method for operating a plurality of hydraulic pumps

#324
20160229681
2016-08-11

Multiple pump system

#325
20160195082
2016-07-07

System and method for health management of pumping system

#326
20160123351
2016-05-05

Boosting system, and boosting method of gas

#327
20160084212
2016-03-24

Flow control for a hydraulic system

#328
20160052612
2016-02-25

Apparatus and method for transferring inflammable material on marine structure

#329
20150360910
2015-12-17

Auxiliary pumping unit

#330
20150343106
2015-12-03

System for generating vaporized hydrogen peroxide for fillers

#331
20150308304
2015-10-29

VARIABLE FLUID FLOW TECHNIQUES FOR MACHINE FLUID SYSTEMS

#332
20150292307
2015-10-15

Synchronized pump down control for a dual well unit with regenerative assist

#333
20150260174
2015-09-17

Vacuum pump with abatement function

#334
20150219603
2015-08-06

Method for high pressure gradient chromatography using pump stroke control

#335
20150184617
2015-07-02

Apparatus and method for supplying fuel to engine of ship

#336
20150104329
2015-04-16

Peristaltic pump systems and methods

#337
20150104328
2015-04-16

Subsea pumping apparatuses and related methods

#338
20150090304
2015-04-02

Cleaning device for kitchen appliances and pump systems

#339
20150086387
2015-03-26

METHOD AND APPARATUS FOR WARMING UP A VACUUM PUMP ARRANGEMENT

#340
20150019078
2015-01-15

Electric actuator-integrated electric power steering system and method of controlling the same

#341
20140377080
2014-12-25

Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface

#342
20140356198
2014-12-04

Solar Powered Portable Submersible Water Pump

#343
20140341755
2014-11-20

Horizontal and vertical well fluid pumping system

#344
20140334955
2014-11-13

Oil supply system

#345
20140314583
2014-10-23

System and method for multi-component mixture control

#346
20140294618
2014-10-02

Hydraulic pressure supply system of automatic transmission

#347
20140294603
2014-10-02

Synchronized dual well variable stroke and variable speed pump down control with regenerative assist

#348
20140271233
2014-09-18

Modular pump platform

#349
20140205466
2014-07-24

SYNCHRONIZED DUAL WELL VARIABLE STROKE AND VARIABLE SPEED PUMP DOWN CONTROL WITH REGENERATIVE ASSIST

#350
20140202243
2014-07-24

Sump pump system with automated system monitoring and data collection

#351
20140134005
2014-05-15

Method for controlling a pump

#352
20140131277
2014-05-15

Closed loop flow control of a HPLC constant flow pump to enable low-flow operation

#353
20140127066
2014-05-08

Inline pump assembly and method

#354
20140123381
2014-05-08

High-efficiency pump systems

#355
20140071623
2014-03-13

Coolant supply unit, cooling unit, and electronic device

#356
20140064990
2014-03-06

Hydraulic pressure supply system of automatic transmission

#357
20140060681
2014-03-06

Hydraulic pressure supply system of automatic transmission

#358
20140060679
2014-03-06

Hydraulic pressure supply system of automatic transmission

#359
20140060677
2014-03-06

Hydraulic pressure supply system of automatic transmission

#360
20140060676
2014-03-06

Hydraulic pressure supply system of automatic transmission

#361
20140034162
2014-02-06

Multiple pump system

#362
20140023525
2014-01-23

Fuel circuit comprising means for controlling a pump

#363
20130330210
2013-12-12

Compression device, and thermodynamic system comprising such a compression device

#364
20130330205
2013-12-12

VARIABLE FLUID FLOW TECHNIQUES FOR MACHINE FLUID SYSTEMS

#365
20130323095
2013-12-05

Oil circulation system for electric motor in a hybrid electric vehicle

#366
20130287592
2013-10-31

Compressed gas supply unit

#367
20130276430
2013-10-24

Pumping device for supplying an exhaust gas aftertreatment system of an internal combustion engine with a reductant, and method

#368
20130272900
2013-10-17

Method and device for controlling an auxiliary pump for a transmission

#369
20130251546
2013-09-26

Method and control unit for metering fuel into an exhaust gas duct

#370
20130209285
2013-08-15

Mechanical pumping hydraulic unit

#371
20130189118
2013-07-25

Torque allocating system for a variable displacement hydraulic system

#372
20130164149
2013-06-27

Energy saving green wastewater pump station design

#373
20130156604
2013-06-20

HYDRAULIC PRESSURE PRODUCING SYSTEM FOR AUTOMATIC TRANSMISSION AND CONTROL METHOD THEREOF

#374
20130121805
2013-05-16

Hydraulic power split engine with enhanced torque assist

#375
20130108473
2013-05-02

Method and controller for operating a pump system

#376
20130081381
2013-04-04

POWER DEVICE USING GAS TO DRIVE LIQUID

#377
20130064683
2013-03-14

Liquid feed pump and circulation pump with detection units to detect operating states of the pumps

#378
20130028757
2013-01-31

Vacuum pumping system

#379
20130004340
2013-01-03

System and method for monitoring operation of a pump

#380
20120301332
2012-11-29

Method and apparatus for heating a sales tank

#381
20120294731
2012-11-22

Pump System and Method of Use

#382
20120257988
2012-10-11

Apparatus for mixing and pumping manure slurries

#383
20120230846
2012-09-13

Systems and methods of controlling pressure maintenance pumps and data logging pump operations

#384
20120230840
2012-09-13

Gas compression

#385
20120156061
2012-06-21

Flow sensing dual pump switching system and method

#386
20120090710
2012-04-19

Closed nebulizing system for removing bubbles

#387
20120045348
2012-02-23

Integral plus proportional dual pump switching system

#388
20120000837
2012-01-05

Multi-stage pump system

#389
20110318195
2011-12-29

Pump arrangement with two pump units, system, use and method

#390
20110286866
2011-11-24

AC Power Unit Operating System For Emergency Vehicles

#391
20110274567
2011-11-10

LUBRICANT PUMP AND MACHINE WITH SUCH A LUBRICANT PUMP

#392
20110135510
2011-06-09

Compressor system for supplying compressed air to a commercial vehicle, and method for operating the compressor system

#393
20110098864
2011-04-28

System and method for monitoring operation of a pump

#394
20110079293
2011-04-07

Hydraulic system with leakage fluid removal

#395
20110056699
2011-03-10

Multiple electric submersible pump system

#396
20100322791
2010-12-23

Hydraulic system with supplement pump

#397
20100319786
2010-12-23

Flow cytometer system with unclogging feature

#398
20100293938
2010-11-25

Hydraulic fluid pump of a vehicle brake system having a delivery means

#399
20100287977
2010-11-18

Oil pump for a refrigeration compressor

#400
20100258196
2010-10-14

ARRANGEMENT OF MULTIPLE PUMPS FOR DELIVERY OF PROCESS MATERIALS

#401
20100116745
2010-05-13

Closed loop flow control of a HPLC constant flow pump to enable low-flow operation

#402
20100014987
2010-01-21

Control device for a power unit

#403
20100003144
2010-01-07

Pump Apparatus

#404
20090163318
2009-06-25

Engine-load control device for working vehicle

#405
20090158727
2009-06-25

Hydraulic system

#406
20090129941
2009-05-21

METHOD FOR CONTROLLING A PUMP ARRANGEMENT, AND PUMP ARRANGEMENT

#407
20090113888
2009-05-07

Charged hydraulic system

#408
20080245136
2008-10-09

Closed loop flow control of a HPLC constant flow pump to enable low-flow operation

#409
20080202285
2008-08-28

Multipurpose combined machine

#410
20080175725
2008-07-24

Rotary piston pump

#411
20080170953
2008-07-17

Combination compressor and vacuum pump apparatus and method of use

#412
20080107545
2008-05-08

Tandem Pump No-Load Operation Device

#413
20080092961
2008-04-24

Flow cytometer system with unclogging feature

#414
20070240919
2007-10-18

Dual-pump fluid distribution system for a hybrid electric vehicle

#415
20070128047
2007-06-07

System and method for monitoring operation of a pump

#416
20070128046
2007-06-07

System and method for control of fluid pressure

#417
20070022925
2007-02-01

Modular planter hydraulic system and method

#418
20060207659
2006-09-21

Pump system including host and satellite pumps and method of the same

#419
20060042700
2006-03-02

Hydraulic pressure supplying device for transmission

#420
20050263207
2005-12-01

Method and device for pouring plastic raw material liquid

#421
16946082
2020-10-27

Methods and systems for operating a fleet of pumps

#422
16376719
2020-02-11

Pumping systems and methods

#423
15670510
2019-07-30

Transmission and engine configuration

#424
14589063
2017-08-08

Transmission and engine configuration

#425
14081074
2022-10-04

Controller assembly for simultaneously managing multiple engine/pump assemblies to perform shared work

#426
14081048
2019-09-17

Controller assembly for simultaneously managing multiple engine/pump assemblies to perform shared work