HydroGraph Awarded New U.S. Patent for Graphene-Based Actuator Technology
(CNSX:HG.CN),(OTC US:HGRAF),(Other OTC:HGRAF),(Frankfurt:M98), VANCOUVER, British Columbia, Oct. 08, 2025 (GLOBE NEWSWIRE) — HydroGraph Clean Power Inc. (CSE: HG) (OTCQB: HGRAF) (“HydroGraph” or the “Company”), a leading producer of ultra-pure graphene, today announced that it has been granted U.S. Patent No. 12,378,948 for a novel actuator technology that uses electrically conductive porous carbon materials, including HydroGraph's […]