Ocean Power Technologies Receives U.S. Patent for its Power Take-Off System for use with Wave Energy Conversion Buoys
The PTO system has a mechanical efficiency of more than 90% and an expected minimum three years between service for continuous operation in the most severe environments, including the
This patent includes two different designs of the PTO system. The first design offsets the input rod and the ball-screw axes, which is currently being manufactured and deployed. The second design is based on a concentric input rod and ball-screw arrangement, which further simplifies the system and may be used in future PB3 PowerBuoy® deployments.
The newly issued patent increases the Company’s U.S. issued patent portfolio to 66 patents, of which 47 are active. The expiration dates for our issued U.S. patents run through 2037.
Outside of the U.S. we have been issued 237 patents across 13 countries with 37 of the active U.S. patents having at least one corresponding issued foreign patent. The Company’s patent portfolio includes patents and patent applications with claims directed to system design, control systems, power conversion, anchoring and mooring, and wave farm architecture.
Headquartered in Monroe Township, New Jersey, Ocean Power Technologies aspires to transform the world through durable, innovative and cost-effective ocean energy solutions. Its PB3 PowerBuoy® uses ocean waves to provide clean and reliable electric power and real-time data communications for remote offshore applications in markets such as oil and gas, defense and security, science and research, and communications. To learn more, visit www.oceanpowertechnologies.com.
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Source: Ocean Power Technologies, Inc.