Rentricity Inc., a leader in recovering clean energy from water infrastructure, proudly announces the issuance of U.S. Patent No. 12,454,761 B1, titled “Systems and Methods for Producing Hydrogen Gas from a Water Distribution System.” This groundbreaking innovation expands Rentricity’s suite of clean energy technologies by enabling point-of-use hydrogen generation, directly within pressurized water distribution networks — marking a new frontier in sustainable energy recovery and water management under the brand name: HydroCosm®.
The patent represents more than a decade of research and development led by Frank Zammataro, President and Founder of Rentricity. It builds upon the company’s 13-year commercial mission to harness “Flow-to-Wire™” in-conduit hydropower systems — turning excess water pressure into clean, renewable electricity. With this new capability, Rentricity moves beyond electricity generation to decentralized hydrogen production, supporting the nation’s transition to carbon-free energy and resilient utility infrastructure.
From Pressure to Power — and Now Hydrogen
Traditional water systems dissipate pressure through valves, wasting valuable energy potential. Rentricity’s patented systems convert that wasted pressure into electricity using compact turbines and generators — a technology already deployed in water utilities across the U.S.
With the issuance of this new patent, Rentricity can now leverage that same pressure to produce hydrogen gas onsite through integrated electrolysis. The patented system combines a turbine-generator with an electrolyzer to extract hydrogen and oxygen from water under controlled flow and pressure conditions. The hydrogen can then be stored, used for on-site energy needs, or distributed for broader use in fuel cells, water treatment processes, or emerging hydrogen vehicles and networks.
“This patent represents the next evolution of water-energy integration,” said Frank Zammataro, inventor and CEO of Rentricity. “For over a decade, our focus has been on energy recovery within the nation’s water systems. Now, with this hydrogen innovation, we can help utilities participate directly in the clean energy economy — producing renewable energy where it’s most needed.”
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