Patents-Review.com
ClassID:

142814 ⎘

F04B19/20 - CPC Classification

Classification description:

Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups  -  Other positive-displacement pumps

Sub-classes:
Recent Application in this class:
#1
20220305495
2022-09-29

CONTROL SYSTEM AND METHOD

 #2
20220154734
2022-05-19

Fluid pump having actuators including movable elements for pumping fluid in a pumping direction

 #3
20210023852
2021-01-28

Fluid ejection device including recirculation system

 #4
20200102942
2020-04-02

Solid particulate pump

 #5
20190145396
2019-05-16

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

 #6
20190111698
2019-04-18

Fluid ejection device including recirculation system

 #7
20180345288
2018-12-06

Microfluidic systems

 #8
20180258935
2018-09-13

Electrically driven compressor mounted on a vehicle engine having a weight inside to shift the resonance frequency of the compressor from that of the engine

 #9
20180214899
2018-08-02

Dispensing pump with skirt spring

 #10
20180209410
2018-07-26

FLUID TRANSPORTATION DEVICE

 #11
20180202422
2018-07-19

Self-pumping structures and methods of using self-pumping structures

 #12
20170292506
2017-10-12

Paint sprayer pump cartridge

 #13
20170234308
2017-08-17

TRANSMISSION FOR PUMP SUCH AS HYDRAULIC FRACTURING PUMP

 #14
20170198685
2017-07-13

Pusher pump resistant to corrosion by molten aluminum and having an improved flow profile

 #15
20170151807
2017-06-01

Fluid ejection device including recirculation system

 #16
20170095604
2017-04-06

Dialysate supply device and blood dialyzing apparatus having the same

 #17
20160318053
2016-11-03

Dispensing pump with skirt spring

 #18
20160318015
2016-11-03

Microfluidic systems and networks

 #19
20160305412
2016-10-20

Adjustable pumping apparatus

 #20
20160221562
2016-08-04

Electrically-driven pressure regulator and volume-delivery unit

 #21
20160123316
2016-05-05

Pipe pump system

 #22
20160083187
2016-03-24

Solid particulate pump having flexible seal

 #23
20150353284
2015-12-10

Duct having oscillatory side wall

 #24
20150241091
2015-08-27

Electrochemical system with real time modification of composition and use of complex wave form in same

 #25
20150235719
2015-08-20

Leidenpump

 #26
20150050124
2015-02-19

Device for pumping a fluid at low flows

 #27
20140294633
2014-10-02

Peristaltic pump having a leaking tube detecting chamber

 #28
20140199162
2014-07-17

Positive Displacement Pump Including Detectable Composite Non-Metallic Components

 #29
20140138457
2014-05-22

Thermoelectric pumping apparatus

 #30
20140039172
2014-02-06

Devices and systems for isolating biomolecules and associated methods thereof

 #31
20140010697
2014-01-09

Polyetherimide pump

 #32
20130336806
2013-12-19

ROTATING RADIAL TUBE PUMP

 #33
20130287595
2013-10-31

Cooling system for use in a portable communication device

 #34
20130220074
2013-08-29

Undulatory structures

 #35
20130202460
2013-08-08

FLUIDICS PUMPING DEVICE

 #36
20130075259
2013-03-28

Microfluidic pumping based on dielectrophoresis

 #37
20130039779
2013-02-14

Electrochemical motive device

 #38
20120321444
2012-12-20

Pump apparatus including deconsolidator

 #39
20120315163
2012-12-13

Air-driven hydraulic pump with pressure control

 #40
20120275941
2012-11-01

Ultrasonic fluid pressure generator

 #41
20120186946
2012-07-26

Load beam unit replaceable inserts for dry coal extrusion pumps

 #42
20120097506
2012-04-26

Balanced link for dry coal extrusion pumps

 #43
20120087809
2012-04-12

Pipe pump system

 #44
20120042855
2012-02-23

ULTRA LOW POWER MARINE FUEL POSLISHING SYSTEM

 #45
20110247919
2011-10-13

Multiple moving wall dry coal extrusion pump

 #46
20110240752
2011-10-06

Self-pumping structures and methods of using self-pumping structures

 #47
20110129392
2011-06-02

Micropump device

 #48
20110114053
2011-05-19

Actuator powered by fluid and method of forming the same

 #49
20110073412
2011-03-31

AXIAL FAN COMPACT BEARING VISCOUS PUMP

 #50
20100320061
2010-12-23

Track with overlapping links for dry coal extrusion pumps

 #51
20090155091
2009-06-18

Ultrasonic waveguide pump and method of pumping liquid

 #52
20090095630
2009-04-16

Microfluidic pumping based on dielectrophoresis

 #53
20080060914
2008-03-13

Linear tractor dry coal extrusion pump

 #54
20060120879
2006-06-08

Pump, liquid transporting apparatus provided with the same, and liquid moving apparatus

 #55
20060037895
2006-02-23

Pressure exchange apparatus with integral pump

 #56
20050230251
2005-10-20

Actuator in a microfluidic system for inducing electroosmotic liquid movement in a micro channel

 #57
20050223483
2005-10-13

Floating wave making apparatus

 #58
16803405
2021-11-30

Plunger tool for reciprocation pump

 #59
16251329
2019-11-26

Methods for creating an undulating structure

 #60
15986601
2020-05-19

Plunger tool for reciprocation pump