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Portland, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electrolyte health management for redox flow battery
Patent number
12,087,981
Issue date
Sep 10, 2024
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated hydrogen recycle system using pressurized multichamber tank
Patent number
12,080,930
Issue date
Sep 3, 2024
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for determining state of charge for an electric e...
Patent number
11,811,110
Issue date
Nov 7, 2023
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrolyte health management for redox flow battery
Patent number
11,764,380
Issue date
Sep 19, 2023
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for iron preformation in redox flow batteries
Patent number
11,749,827
Issue date
Sep 5, 2023
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multi-stage rebalancing reactor for redox flow battery system
Patent number
11,728,497
Issue date
Aug 15, 2023
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods and system for redox flow battery idle state
Patent number
11,664,512
Issue date
May 30, 2023
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for determining state of charge for an electric e...
Patent number
11,631,872
Issue date
Apr 18, 2023
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods and systems for redox flow battery electrolyte hydration
Patent number
11,594,750
Issue date
Feb 28, 2023
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrolyte health management for redox flow battery
Patent number
11,545,688
Issue date
Jan 3, 2023
ESSTECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated hydrogen recycle system using pressurized multichamber tank
Patent number
11,228,052
Issue date
Jan 18, 2022
ESS Tech, Inc.
Yang Song
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Electrolyte health management for redox flow battery
Patent number
11,201,343
Issue date
Dec 14, 2021
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for determining state of charge for an electric e...
Patent number
10,879,544
Issue date
Dec 29, 2020
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR MAINTAINING ELECTROLYTE HEALTH
Publication number
20240243328
Publication date
Jul 18, 2024
ESS TECH, INC.
Joseph Brindle
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REBALANCING CELL SYSTEM FOR REDOX FLOW BATTERY
Publication number
20240194921
Publication date
Jun 13, 2024
ESS TECH, INC.
Sean Kissick
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER BALANCE IN BATTERY SYSTEMS
Publication number
20240162722
Publication date
May 16, 2024
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REBALANCING CELL SYSTEM FOR REDOX FLOW BATTERY
Publication number
20240063416
Publication date
Feb 22, 2024
ESS TECH, INC.
Sean Kissick
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NEGATIVE ELECTROLYTE MANAGEMENT SYSTEM
Publication number
20240055643
Publication date
Feb 15, 2024
ESS TECH, INC.
Sean Kissick
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
NEGATIVE ELECTROLYTE MANAGEMENT SYSTEM
Publication number
20240055642
Publication date
Feb 15, 2024
ESS TECH, INC.
Sean Kissick
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROLYTE HEALTH MANAGEMENT FOR REDOX FLOW BATTERY
Publication number
20230378505
Publication date
Nov 23, 2023
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR IRON PREFORMATION IN REDOX FLOW BATTERIES
Publication number
20230361331
Publication date
Nov 9, 2023
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTI-STAGE REBALANCING REACTOR FOR REDOX FLOW BATTERY SYSTEM
Publication number
20230299318
Publication date
Sep 21, 2023
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS AND SYSTEM FOR REDOX FLOW BATTERY IDLE STATE
Publication number
20230253583
Publication date
Aug 10, 2023
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS AND SYSTEM FOR REDOX FLOW BATTERY IDLE STATE
Publication number
20230253584
Publication date
Aug 10, 2023
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR DETERMINING STATE OF CHARGE FOR AN ELECTRIC E...
Publication number
20230216072
Publication date
Jul 6, 2023
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS AND SYSTEMS FOR REDOX FLOW BATTERY ELECTROLYTE HYDRATION
Publication number
20230155155
Publication date
May 18, 2023
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS AND SYSTEMS FOR REDOX FLOW BATTERY ELECTROLYTE HYDRATION
Publication number
20230021439
Publication date
Jan 26, 2023
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROLYTE HEALTH MANAGEMENT FOR REDOX FLOW BATTERY
Publication number
20220123339
Publication date
Apr 21, 2022
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
INTEGRATED HYDROGEN RECYCLE SYSTEM USING PRESSURIZED MULTICHAMBER TANK
Publication number
20220123344
Publication date
Apr 21, 2022
ESS TECH, INC.
Yang Song
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHODS AND SYSTEM FOR REDOX FLOW BATTERY IDLE STATE
Publication number
20210359315
Publication date
Nov 18, 2021
ESS Tech, Inc.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROLYTE HEALTH MANAGEMENT FOR REDOX FLOW BATTERY
Publication number
20210242479
Publication date
Aug 5, 2021
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTI-STAGE REBALANCING REACTOR FOR REDOX FLOW BATTERY SYSTEM
Publication number
20210143455
Publication date
May 13, 2021
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR IRON PREFORMATION IN REDOX FLOW BATTERIES
Publication number
20210135270
Publication date
May 6, 2021
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR DETERMINING STATE OF CHARGE FOR AN ELECTRIC E...
Publication number
20210075039
Publication date
Mar 11, 2021
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROLYTE HEALTH MANAGEMENT FOR REDOX FLOW BATTERY
Publication number
20200161685
Publication date
May 21, 2020
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR DETERMINING STATE OF CHARGE FOR AN ELECTRIC E...
Publication number
20200144641
Publication date
May 7, 2020
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS AND SYSTEMS FOR REDOX FLOW BATTERY ELECTROLYTE HYDRATION
Publication number
20180316036
Publication date
Nov 1, 2018
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
INTEGRATED HYDROGEN RECYCLE SYSTEM USING PRESSURIZED MULTICHAMBER TANK
Publication number
20180316035
Publication date
Nov 1, 2018
ESS TECH, INC.
Yang Song
H01 - BASIC ELECTRIC ELEMENTS