Patents-Review.com
ClassID:

142799 ⎘

F04B19/00 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20250142789
2025-05-01

LIQUID PUMPING UNITS, AND RELATED SYSTEMS AND METHODS

 #2
20240203218
2024-06-20

FLUID PUMP WITH WHISTLE

 #3
20230235730
2023-07-27

Retainer assembly for pump and methods

 #4
20230204020
2023-06-29

Electroosmotic pump and fluid-pumping system comprising the same

 #5
20230141878
2023-05-11

Modular suction gland assembly

 #6
20230086466
2023-03-23

Fluid pump with whistle

 #7
20230077910
2023-03-16

ELECTROOSMOTIC PUMP

 #8
20220354025
2022-11-03

Liquid pumping units, and related systems and methods

 #9
20220268529
2022-08-25

Thermal control system

 #10
20220170447
2022-06-02

Electroosmotic pump

 #11
20210352830
2021-11-11

Liquid pumping units, and related systems and methods

 #12
20210239102
2021-08-05

Electroosmotic pump and fluid-pumping system comprising the same

 #13
20210215127
2021-07-15

METHOD FOR MANUFACTURING ASSEMBLY, PARTS SET, METHOD FOR MANUFACTURING FUEL INJECTION PUMP, AND FUEL INJECTION PUMP

 #14
20210082786
2021-03-18

Electrohydrodynamic control device

 #15
20200096009
2020-03-26

Surface for directional fluid transport including against external pressure

 #16
20200063734
2020-02-27

Flow locking system and method

 #17
20190311587
2019-10-10

Fluid pump with whistle

 #18
20190184095
2019-06-20

Electroosmotic pump

 #19
20190176111
2019-06-13

Microfluidic device for fluid mixture

 #20
20190168832
2019-06-06

System for transferring rotational, mechanical motion into sinusoidal wave-like motion

 #21
20190154011
2019-05-23

Electroosmotic pump and fluid-pumping system comprising the same

 #22
20190101109
2019-04-04

VALVE STOP

 #23
20180369814
2018-12-27

EWOD device with holdback feature for fluid loading

 #24
20180230962
2018-08-16

Fresh water transport method utilizing anchored buoyant units powered by the changing height of a local tide

 #25
20180135613
2018-05-17

Microfluidic fan

 #26
20180114701
2018-04-26

System and method for removing foreign substances by using electric field adsorption method

 #27
20150275930
2015-10-01

Pump device and hydraulic actuator

 #28
20150159676
2015-06-11

Intermittent fluid pump

 #29
20150004004
2015-01-01

Downhole electromagnetic pump and methods of use

 #30
20140234122
2014-08-21

ROD-PUMPING SYSTEM

 #31
20140205436
2014-07-24

Sealed Rotor Valve Engine

 #32
20140203625
2014-07-24

Slip control braking pump having a high pressure sealing structure

 #33
20140147290
2014-05-29

System and method for controlling plasma induced flow

 #34
20140099224
2014-04-10

Variable volume bore piston pump

 #35
20140079568
2014-03-20

Overheat control mechanism for electrical vacuum pumps

 #36
20140000450
2014-01-02

Gas Spring

 #37
20130336809
2013-12-19

FASTENER-DRIVING DEVICE AND CONTROLLING METHOD

 #38
20130333552
2013-12-19

Device for receiving and dispensing hydraulic fluid, in particular for a hybrid or electric vehicle, and braking system for a hybrid or electric vehicle

 #39
20130323102
2013-12-05

Gaseous fluid compression device

 #40
20130323086
2013-12-05

Hydraulic gravity ram pump

 #41
20130309112
2013-11-21

Reciprocating pump with high-pressure seal

 #42
20130291952
2013-11-07

System and method to detect accumulator loss of precharge

 #43
20130149177
2013-06-13

Mechanism for restraining fuel pressure pulsation and high pressure fuel supply pump of internal combustion engine with such mechanism

 #44
20130129536
2013-05-23

Flow locking system and method

 #45
20130121847
2013-05-16

Thermodynamic cycle and heat engine

 #46
20130091840
2013-04-18

SHOCKWAVE-ACTUATED POWER DEVICE

 #47
20120292190
2012-11-22

Apparatus for fragmenting nucleic acids

 #48
20120282111
2012-11-08

SYSTEM AND METHOD OF DIFFERENTIAL PRESSURE CONTROL OF A RECIPROCATING ELECTROKINETIC PUMP

 #49
20120219430
2012-08-30

Electrokinetic pump having capacitive electrodes

 #50
20120080378
2012-04-05

Thin film composite membranes for forward osmosis, and their preparation methods

 #51
20110255997
2011-10-20

Hydraulic gravity ramp pump

 #52
20110165001
2011-07-07

Helically actuated positive-displacement pump and method

 #53
20110114492
2011-05-19

Electrokinetic pump having capacitive electrodes

 #54
20100187115
2010-07-29

Electroosmotic pump with improved gas management

 #55
20080173545
2008-07-24

Electrokinetic Pump Having Capacitive Electrodes

 #56
20070172364
2007-07-26

Hydraulic gravity ram pump

 #57
20070144909
2007-06-28

Electrokinetic pump having capacitive electrodes

 #58
20070048160
2007-03-01

Heat activated nanometer-scale pump

 #59
20060216173
2006-09-28

Helically actuated positive-displacement pump and method

 #60
20050169776
2005-08-04

Hydraulic gravity ram pump