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Stuart Energy awarded patent on cost reducing hydrogen technology

TORONTO, Feb. 23, 2001 (CNW) – Stuart Energy Systems (TSE: HHO), a developer of hydrogen generation and supply systems, announced today the allowance of U.S. Patent Number 6,187,155 B1 Electrode Cell Separator Assembly.

The patent covers improvement in separator/membrane design and assembly, which allow for low cost automated manufacturing of Stuart’s proprietary water electrolysis cells.

“This is a significant step for us in enabling automatic manufacturing of the cell stack technology. The patented technology will allow us to manufacture certain cell stack configurations faster and at a lower cost than before,” commented Dr. Steven Thorpe, Vice President of Technology at Stuart Energy Systems. “It also demonstrates continued progress in building our intellectual property portfolio.” The new patent allows for greater ease of assembly through a reduction in part count and in the number of sub-assembly processes required to produce the cell stack.

The separator/membrane is a core component of the Stuart DEP™ water electrolysis cell stack and is used in all Fuel Appliances produced by Stuart.

Stuart Energy Systems
Stuart Energy Systems Corporation (TSE: HHO) is a developer and supplier of hydrogen generation and supply systems, with offices in Canada and the United States.

These systems incorporate proprietary water electrolysis technology designed to serve the industrial hydrogen market and the emerging hydrogen fuel market for transportation and regenerative electric power applications.

The market for hydrogen fuel infrastructure has been enabled by the development of electric power technologies such as the hydrogen fuel cell. The Company’s Web site address is www.stuartenergy.com.