HydroGraph Clean Power Inc (HGRAF)

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NEWS:.....HydroGraph Awarded New U.S. Patent for Graphene-Based Actuator Technology
Electrothermal actuator leverages Fractal Graphene™ to deliver silent, scalable, high-force motion
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 proprietary Fractal Graphene™, to generate controlled mechanical force.

This marks the first U.S. patent granted for an invention developed in HydroGraph’s laboratories, part of the Company’s strategy to expand its intellectual property portfolio beyond its foundational graphene synthesis patents licensed from Kansas State University. Additionally, HydroGraph now has 11 additional patent applications pending covering various material innovations and applications.

The patented design harnesses the fractal, highly porous structure of HydroGraph’s Fractal Graphene™ to create an electrothermal actuator. By applying a small voltage, Joule heating expands the enclosed air within the material, generating motion and force. Unlike conventional actuators , HydroGraph’s device delivers rapid, silent, and scalable force generation. A unit the size of a finger can generate approximately one newton of force, with designs scalable to larger outputs.

The global actuators market was estimated at USD 66.95 billion in 2024 and is projected to reach USD 71.22 billion in 2025 to approximately 100.41 billion by 2030, reflecting a compound annual growth rate of about 7.1 percent. This steady growth highlights the expanding demand for actuator technologies that can deliver greater efficiency, lower noise, and improved adaptability across sectors including automotive, manufacturing, robotics, and consumer appliances.

“Fractal Graphene™ is unique in that its structure is more than 95 percent air, giving it an extraordinary ability to generate force when heated electrically,” said Dr. Ranjith Divigalpitiya, HydroGraph’s Chief Science Officer and co-inventor of the patent. “In effect, it is essentially electrically conducting air. This patent demonstrates how the intrinsic properties of our material can be translated into new types of actuators. While further validation and development are required, the scientific foundation laid here opens a pathway to motion technologies that are lightweight, quiet, and adaptable across scales.”

The invention has broad claims covering porous carbon materials such as carbon black, graphite, carbon nanotubes, and graphene foams. Potential applications include:

HVAC and building systems: replacement for wax or PTC-based hydronic valve actuators.
Consumer appliances: silent, low-voltage actuators for dishwashers, coffee/steam machines, and other household goods.
Automotive thermal management: compact, EMI-immune actuators for EV and ICE cooling loops.
Microfluidics and diagnostics: lab-on-chip devices where small, fast actuators are critical.
Aerospace and robotics: lightweight, scalable, and silent actuation in environments where motors are impractical.

“Securing this patent is an important milestone in broadening HydroGraph’s intellectual property portfolio,” said Kjirstin Breure, CEO of HydroGraph. “While our core focus remains on the commercialization of high-purity graphene, this achievement underscores the versatility of our technology platform. Intellectual property of this nature strengthens our long-term position and provides optionality as we evaluate applications where our materials can create measurable value. We look forward to working with potential partners to explore the most suitable avenues for this innovation.”

The patent positions HydroGraph to explore development of a family of actuators ranging from cost-sensitive carbon black versions to premium graphene foam designs.

About Hydrograph
HydroGraph is a leading producer of pristine graphene using an “explosion synthesis” process, which allows for exceptional purity, low energy use, and identical batches. The quality, performance, and consistency of HydroGraph’s graphene follow the Graphene Council’s Verified Graphene Producer® standards, of which very few graphene producers are able to meet. For more information or to learn about the HydroGraph story, visit: https://hydrograph.com/ . For company updates, please follow HydroGraph on LinkedIn and X.

Trademarks: HydroGraph™ and Fractal Graphene™