ESS Tech, Inc.

United States of America


 
Total IP 198
Total IP Rank # 6,517
IP Activity Score 3.1/5.0    221
IP Activity Rank # 3,160
Stock Symbol GWH (nyse)
ISIN US26916J1060
Market Cap. 64.60M  (USD)
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

125 7
0 0
62 4
0
 
Last Patent 2025 - Multi-stage rebalancing reactor ...
First Patent 2002 - Materials for reshaping of essen...
Last Trademark 2024 - ESSENTIAL PARTNER
First Trademark 2017 - ENERGY WAREHOUSE

Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Double-stack redox flow battery. Methods and systems are provided for a redox flow battery syste...
Invention Flow battery cleansing cycle to maintain electrolyte health and system performance. A method of ...
Invention Integrated hydrogen recycle system using pressurized multichamber tank. A multi-chambered electr...
Invention Electrolyte health management for redox flow battery. Methods and systems are provided for a reb...
G/S Maintenance services in the field of long-duration energy storage; installation, maintenance and ...
Invention Electrolyte tank volume rebalancing. Systems and methods are provided for a redox flow battery s...
Invention Electrolyte tank volume rebalancing. Systems and methods are provided for a redox flow battery sy...
Invention Hybrid redox fuel cell system. A hybrid redox fuel cell system includes a hybrid redox fuel cell...
Invention Composite ion-exchange membranes for flow batteries. Membranes for flow battery cells are provide...
Invention Composite ion-exchange membranes for flow batteries. Membranes for flow battery cells are provid...
Invention Method and system for redox flow battery performance recovery. A method for a redox flow battery...
Invention Negative electrode spacer for flow battery. Systems and methods are provided for an electrode as...
Invention Negative electrode spacer for flow battery. Systems and methods are provided for an electrode ass...
Invention Integrated electrolyte rebalancing with flow battery power modules. Systems and methods are prov...
Invention Integrated electrolyte rebalancing with flow battery power modules. Systems and methods are provi...
Invention Electromagnetic mixing. Systems and methods are provided for an external electromagnetic mixing s...
Invention Systems and methods for maintaining electrolyte health. Systems and methods are provided for main...
Invention Systems and methods for maintaining electrolyte health. Systems and methods are provided for mai...
Invention Electromagnetic mixing. Systems and methods are provided for an external electromagnetic mixing ...
2023 Invention Methods and systems for bipolar plate activation. Systems and methods are provided for surface p...
Invention Methods and systems for bipolar plate activation. Systems and methods are provided for surface pr...
Invention Hydrogen pump for a redox flow battery. Systems and methods are provided for actively directing h...
Invention Hydrogen pump for a redox flow battery. Systems and methods are provided for actively directing ...
Invention Co-extruded negative electrode spacer. Systems and methods are provided for an electrode assembl...
Invention Co-extruded negative electrode spacer. Systems and methods are provided for an electrode assembly...
Invention Tank enclosed injection system. Systems and methods are provided for electrolyte health managemen...
Invention Tank enclosed injection system. Systems and methods are provided for electrolyte health manageme...
Invention Method and system for rebalancing electrolytes in a redox flow battery system. A method of rebala...
Invention Power balance in battery systems. Systems and methods are provided for operating a battery power...
Invention Power balance in battery systems. Systems and methods are provided for operating a battery power ...
Invention Radial mixing manifold. Systems and methods are provided for a redox flow batter system comprisi...
Invention Magnetic fragment filter. Systems and methods are provided for an energy storage system. In one e...
Invention Magnetic fragment filter. Systems and methods are provided for an energy storage system. In one ...
Invention Power delivery system and method. Systems and methods for operating an electric energy storage d...
Invention Alternative low cost electrodes for hybrid flow batteries. A redox flow battery may include: a m...
Invention Non-contact liquid level sensor. Systems and methods are provided for a non-contact level sensor...
Invention Systems and methods for electrode assembly for redox flow battery system. Systems and methods ar...
Invention Hydrogen pump for a flow battery. Systems and methods are provided for pumping hydrogen within an...
Invention Hydrogen pump for a flow battery. Systems and methods are provided for pumping hydrogen within a...
Invention Gravity drainage subsystem for redox flow battery system. Systems and methods are provided for a...
Invention Gravity drainage subsystem for redox flow battery system. Systems and methods are provided for a ...
Invention Rebalancing cell system for redox flow battery. Systems and methods are provided for rebalancing ...
Invention Negative electrolyte management system. Systems and methods are provided for managing health of ...
Invention Negative electrolyte management system. Systems and methods are provided for managing health of e...
Invention Multi-stage rebalancing reactor for redox flow battery system. A method for a redox flow battery ...
G/S Batteries; electric batteries; iron-flow batteries. Technical research in the of field of iron-fl...
G/S Batteries; electric batteries; iron-flow batteries Technical research in the field of iron-flow b...
G/S Long-duration large format power storage batteries over 20 kW power; long-duration electrical st...
G/S Long-duration large format power storage batteries over 20kW power; long-duration electrical sto...
G/S Batteries; electric batteries; electrical storage batteries; long-duration electrical storage, m...
2022 Invention Rebalancing cell system for redox flow battery. Systems and methods are provided for rebalancing...
2021 G/S Batteries; electric batteries; electrical storage batteries; long-duration electrical storage, mo...
2017 G/S Long-duration large format power storage batteries over 20kW power; Long-duration electrical stor...
G/S Long-duration large format power storage batteries over 20 kW power; Long-duration electrical sto...