Ess reinforces leadership position in long-duration energy storage with over 20 additional patents awarded

Wilsonville, ore.--(business wire)--ess tech, inc. (“ess”) (nyse:gwh), a leading manufacturer of long-duration energy storage systems for commercial and utility-scale applications, has been awarded over 20 additional patents for the company's industry-leading iron flow battery (ifb) technology since the beginning of 2022. this brings the total number of patents held by the company to 62 worldwide with a further 225 applications filed. founded in 2011, ess has built an extensive portfolio of pat.
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