ClassID:

217631

H02K44/085 - CPC Classification

Classification description:

Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or; Magnetohydrodynamic [MHD] generators with conducting liquids

Recent Application in this class:
#1
20250350180
2025-11-13

BIASED MOLTEN METAL CIRCUITS

#2
20250277481
2025-09-04

INERTIAL HYDRODYNAMIC PUMP AND WAVE ENGINE

#3
20250211080
2025-06-26

Tubular Hydro-Voltaic Device

#4
20240171055
2024-05-23

LOW TEMPERATURE MAGNETOHYDRODYNAMICS POWER SYSTEM

#5
20240022158
2024-01-18

ELECTRICITY GENERATOR

#6
20230387774
2023-11-30

Electric generator

#7
20230250796
2023-08-10

Inertial hydrodynamic pump and wave engine

#8
20230246535
2023-08-03

BLADELESS UNDERWATER ELECTRICITY GENERATOR

#9
20230216392
2023-07-06

Power generation device using conductive plasma or ionic solutions

#10
20230187092
2023-06-15

Magnetohydrodynamic Cavitation Fusion Energy Generator

#11
20230107844
2023-04-06

MAGNETOHYDRODYNAMIC HELICITY AND LAMINAR FLOW KINEMATIC DYNAMO GENERATORS

#12
20230020187
2023-01-19

COMPACT ANNULAR LINEAR INDUCTION PUMP

#13
20220360158
2022-11-10

Ocean current and tidal power electric generator

#14
20220341387
2022-10-27

Inertial hydrodynamic pump and wave engine

#15
20220170440
2022-06-02

Inertial hydrodynamic pump and wave engine

#16
20220045592
2022-02-10

Liquid heat exchanger for electronic device

#17
20220021290
2022-01-20

MAGNETOHYDRODYNAMIC HYDROGEN ELECTRICAL POWER GENERATOR

#18
20210372363
2021-12-02

Inertial hydrodynamic pump and wave engine

#19
20210175789
2021-06-10

Osmotic energy conversion with MXene lamellar membrane-based system and method

#20
20210135559
2021-05-06

Systems and methods to harvest energy and determine water holdup using the magnetohydrodynamic principle

#21
20200389081
2020-12-10

Magnetic lubricant

#22
20200366180
2020-11-19

MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR

#23
20200212788
2020-07-02

System for generating electrical energy by efficient movement of a specialized inductive medium

#24
20200182218
2020-06-11

Inertial hydrodynamic pump and wave engine

#25
20200056578
2020-02-20

Inertial hydrodynamic pump and wave engine

#26
20200044550
2020-02-06

Devices and methods for clearing and molecular labeling of intact tissues

#27
20190372449
2019-12-05

MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR

#28
20190372448
2019-12-05

Ocean current and tidal power electric generator

#29
20190368464
2019-12-05

Submerged Water Column Power Generation System

#30
20180375417
2018-12-27

Systems and methods to harvest energy and determine water holdup using the magnetohydrodynamic principle

#31
20180328282
2018-11-15

EXHAUST SECTION FOR AN AIRCRAFT GAS TURBINE ENGINE

#32
20180235065
2018-08-16

Plasma flow interaction simulator

#33
20180123429
2018-05-03

Mechanical energy harvesting utilizing liquid rotor homopolar generator

#34
20180106243
2018-04-19

Charge separation mechanism

#35
20180091033
2018-03-29

In-Body Power Harvesting Using Flowing Fluids

#36
20170120253
2017-05-04

System and method for transportation and desalination of a liquid

#37
20170079127
2017-03-16

Plasma flow interaction simulator

#38
20170033676
2017-02-02

Vertical pipe structure for water and energy harvesting

#39
20160172955
2016-06-16

Fluid ferfereh

#40
20160160845
2016-06-09

Submersible power generators and method of operating thereof

#41
20160138800
2016-05-19

Combustion-powered electrodynamic combustion system

#42
20160079830
2016-03-17

Compressed air energy storage unit with induction pump and method for the production of such a compressed air energy storage unit

#43
20150163891
2015-06-11

Plasma flow interaction simulator

#44
20150027244
2015-01-29

Magnetohydrodynamic inertial actuator

#45
20130259186
2013-10-03

Nuclear energy, metal fuel, H/ O from HO, with MHD power and propulsion for one month astronaut rocket voyages to Mars

#46
20130076158
2013-03-28

Magnetic Fluid Power Generator Device

#47
20130042594
2013-02-21

Terrestrial power and propulsion from nuclear or renewable metal fuels with magnetohydrodynamics

#48
20120223643
2012-09-06

Plasma flow interaction simulator

#49
20120032526
2012-02-09

Methods, Systems and Devices for Dissipating Kinetic Energy from Shock Waves with Electrical Loads

#50
20110241448
2011-10-06

High efficiency magnetohydrodynamic power generation using ultra-high magnetic fields and novel cooling

#51
20100328000
2010-12-30

Device and method for stimulation of magnetohydrodynamics

#52
20100176596
2010-07-15

Electrical energy generation using hydro-voltaic (HV) cells

#53
20090108682
2009-04-30

Device and method for simulation of magnetohydrodynamics

#54
20080297290
2008-12-04

Thermodynamic cycles

#55
20080072597
2008-03-27

ELECTRICALLY CONDUCTIVE LIQUID PISTON ENGINE

#56
20070246365
2007-10-25

Liquid moving apparatus

#57
20050167987
2005-08-04

Electric generator having a magnetohydrodynamic effect

#58
20050166869
2005-08-04

Liquid piston internal combustion power system

#59
20050146140
2005-07-07

Modular liquid-metal magnetohydrodynamic (LMMHD) power generation cell

#60
18424722
2025-06-03

Inertial hydrodynamic pump and wave engine