ClassID:

142816

F04B19/24 - CPC Classification

Classification description:

Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups  - ; Other positive-displacement pumps Pumping by heat expansion of pumped fluid

Recent Application in this class:
#1
20220349629
2022-11-03

System and method of pumped heat energy storage

#2
20220178359
2022-06-09

Hybrid thermodynamic compressor

#3
20210123090
2021-04-29

MOVING MICRODROPLETS IN A MICROFLUIDIC DEVICE

#4
20210071918
2021-03-11

System and method of pumped heat energy storage

#5
20210023852
2021-01-28

Fluid ejection device including recirculation system

#6
20200392811
2020-12-17

Electric/hydraulic safety valve

#7
20200363134
2020-11-19

Gravity loop thermosyphon and heat dissipation device comprising the same

#8
20200332783
2020-10-22

Hydrogen compressor with metal hydride

#9
20200217310
2020-07-09

Pulse laser-driven plasma capacitor

#10
20200109722
2020-04-09

Vapor-pressure driven pump

#11
20200025191
2020-01-23

Electrochemically actuated pump

#12
20200011271
2020-01-09

Heat engine with a dynamically controllable hydraulic outlet

#13
20190242628
2019-08-08

Heat transfer device

#14
20190145392
2019-05-16

Cryogenic pump

#15
20190128248
2019-05-02

Microfluidic devices

#16
20190120219
2019-04-25

Pulse laser-driven plasma capacitor

#17
20190111698
2019-04-18

Fluid ejection device including recirculation system

#18
20180100492
2018-04-12

Magnetic fluid drive unit and magnetic fluid driving method

#19
20180031286
2018-02-01

Closed loop solar refrigeration system

#20
20170361274
2017-12-21

Nanoscale gaseous material filtering and pumping systems and methods of use thereof

#21
20170314541
2017-11-02

Ultrashort pulse laser-driven shock wave gas compressor

#22
20170275173
2017-09-28

Method and apparatus on halting global warming

#23
20170191473
2017-07-06

Microfluidic pump with thermal control

#24
20170175722
2017-06-22

Method and apparatus for metering and vaporizing fluids

#25
20170173579
2017-06-22

Method and apparatus for metering and vaporizing a fluid

#26
20170172206
2017-06-22

Method and apparatus for metering and vaporizing a fluid

#27
20170151807
2017-06-01

Fluid ejection device including recirculation system

#28
20160341337
2016-11-24

Microfluidic valve

#29
20160333872
2016-11-17

Electrochemically actuated pump

#30
20160318015
2016-11-03

Microfluidic systems and networks

#31
20160298615
2016-10-13

Steam operated, self cycling, diaphragm water pump

#32
20160235912
2016-08-18

Miniaturized electrothermal flow induced infusion pump

#33
20160230751
2016-08-11

Microfabricated gas flow structure

#34
20160208791
2016-07-21

Apparatus for pumping fluid

#35
20160201658
2016-07-14

THERMAL COMPRESSOR

#36
20160131122
2016-05-12

Convection pump and method of operation

#37
20160095465
2016-04-07

Pumping system and method for a beverage production apparatus

#38
20160083187
2016-03-24

Solid particulate pump having flexible seal

#39
20160061197
2016-03-03

Thermal-operated pump

#40
20150369231
2015-12-24

MAGNETOCALORIC DRIVING DEVICES

#41
20150353284
2015-12-10

Duct having oscillatory side wall

#42
20150337815
2015-11-26

A METHOD AND APPARATUS FOR PUMPING A LIQUID

#43
20150260173
2015-09-17

Thermal pumping via in situ pipes and apparatus including the same

#44
20150247492
2015-09-03

Nanomolecular solid state electrodynamic thruster

#45
20150235719
2015-08-20

Leidenpump

#46
20150037175
2015-02-05

Micro-fluidic pump

#47
20140298762
2014-10-09

Nano Filter Pump

#48
20140199184
2014-07-17

Energy-saving pump and control system for the pump

#49
20140119952
2014-05-01

Pump and method for operating pump

#50
20140117670
2014-05-01

System and method for generating electric power

#51
20140037468
2014-02-06

Gas micropump

#52
20130243621
2013-09-19

Miniature pumps

#53
20130202453
2013-08-08

MICRO-FLUIDIC PUMP

#54
20130202278
2013-08-08

Micro-fluidic pump

#55
20130011322
2013-01-10

Method and apparatus on halting global warming

#56
20120237364
2012-09-20

Nanomolecular solid state electrodynamic thruster

#57
20120207625
2012-08-16

Thermally driven Knudsen pump

#58
20110315252
2011-12-29

POWERLESS HOT WATER PUMPING APPARATUS

#59
20110286493
2011-11-24

Microcalorimeter systems

#60
20110247919
2011-10-13

Multiple moving wall dry coal extrusion pump

#61
20110240622
2011-10-06

Method and device for creating a temperature gradient among a plurality of temperature gradient structures

#62
20110198408
2011-08-18

METHOD OF FUEL INJECTION (VARIANTS)

#63
20110129392
2011-06-02

Micropump device

#64
20110023973
2011-02-03

Method and system for manipulating fluid medium

#65
20100192568
2010-08-05

Phase change compressor

#66
20100008183
2010-01-14

Self-cleaning and mixing microfluidic elements

#67
20090324431
2009-12-31

Apparatus for pumping a fluid

#68
20090324206
2009-12-31

Capillary pumps for vaporization of liquids

#69
20090297371
2009-12-03

FLUID DELIVERY DEVICES

#70
20090220222
2009-09-03

Capillary force vaporizers

#71
20090175736
2009-07-09

System and method for providing a thermal transpiration gas pump using a nanoporous ceramic material

#72
20090139700
2009-06-04

HEAT EXCHANGER

#73
20090139577
2009-06-04

METHOD OF USING TRIGGERABLE PASSIVE VALVES TO CONTROL THE FLOW OF FLUID

#74
20090129946
2009-05-21

Pumping unit for delivery of liquid medium from a vessel

#75
20090060760
2009-03-05

Diaphragm pump

#76
20090021909
2009-01-22

METHOD AND SYSTEM FOR COOLING AT LEAST ON ELECTRONIC DEVICE

#77
20080307785
2008-12-18

Power Transfer

#78
20080255007
2008-10-16

Substrate Material For Handling and Analyzing Samples

#79
20080226504
2008-09-18

PUMP UNIT AND CENTRIFUGAL MICROFLUIDIC SYSTEM HAVING THE SAME

#80
20080199862
2008-08-21

Active biochip for nucleic acid analysis

#81
20080196778
2008-08-21

Microfluidic circuit having an active component

#82
20080186801
2008-08-07

BUBBLE MICRO-PUMP AND TWO-WAY FLUID-DRIVING DEVICE, PARTICLE-SORTING DEVICE, FLUID-MIXING DEVICE, RING-SHAPED FLUID-MIXING DEVICE AND COMPOUND-TYPE FLUID-MIXING DEVICE USING THE SAME

#83
20080159877
2008-07-03

Pump apparatus and pump unit thereof

#84
20080128390
2008-06-05

Fluidic MEMS device

#85
20080118790
2008-05-22

Method and apparatus for pumping liquids using directional growth and elimination bubbles

#86
20080050804
2008-02-28

Moving microdroplets in a microfluidic device

#87
20070274841
2007-11-29

Passive adsorption microvacuum pump and microsystem containing the same

#88
20070243073
2007-10-18

Thermally Driven Piston Assembly And Position Control Therefor

#89
20070209940
2007-09-13

Self-cleaning and mixing microfluidic elements

#90
20070110625
2007-05-17

Miniaturized electrothermal flow induced infusion pump

#91
20070054349
2007-03-08

Biochip

#92
20070034523
2007-02-15

Fuel-cell actuated mechanical device

#93
20060292013
2006-12-28

Magnetocaloric pump for microfluidic applications

#94
20060110262
2006-05-25

Device of micro loop thermosyphon for ferrofluid power generator

#95
20060102483
2006-05-18

Hydrogel-driven micropump

#96
20060083632
2006-04-20

Pump

#97
20060078434
2006-04-13

Thermal actuation pump

#98
20060051214
2006-03-09

Micro liquid handling device and methods for using it

#99
20060001010
2006-01-05

Volume phase transition to induce gel movement

#100
20060001008
2006-01-05

Volume phase transition to induce gel movement

#101
20050287020
2005-12-29

Micropump and micro-incubator utilizing gas generation and production method thereof

#102
20050279109
2005-12-22

Electro-active fluid cooling system

#103
20050249607
2005-11-10

Apparatus and method for pumping microfluidic devices

#104
20050223783
2005-10-13

Microfluidic system

#105
20050220644
2005-10-06

Pneumatic actuator for bolus generation in a fluid handling circuit

#106
20050220630
2005-10-06

Method of using triggerable passive valves to control the flow of fluid

#107
20050129529
2005-06-16

Device and method for pumping fluids employing the movement of gas bubbles in microscale

#108
20050095143
2005-05-05

Pumping apparatus using thermal transpiration micropumps

#109
20050069461
2005-03-31

Multi-purpose multi-function surface-tension microfluidic manipulator

#110
18210626
2024-10-29

Heat-activated pump with integrated evaporator for electronic chip heat removal

#111
17471596
2024-02-13

Heat-activated multiphase fluid-operated pump