Vermont Patent of the Month – February 2021

With the advent of clean renewable energy, wind turbines are an increasingly popular option. They produce an endless supply of clean energy and provide a potential alternative to coal and oil energy sources. They are not without issues though. They present an obstruction to bats and birds, often resulting in death from collision. Many wind farms are also developed in areas that are native to threatened bat species, endangering them further. NRG Systems has designed a bat deterrent method so that they will steer clear of the turbines, providing a compromise between species health and clean energy access. 

The product will deter bats from entering into a wind turbine’s rotor-swept zone, so the wind turbine can remain operational without harming the bats. The deterrent comes in the form of multiple transducer boxes which emit an ultrasonic frequency. Different transducers emit different frequencies. The frequencies are based on the frequencies used by bats in echolocation, which might differ between species. They can also be set to emit in different patterns – continuous noise, pulses of noise, sweeping and so on. These different patterns and frequencies cover a broad range of bat species and also prevent them from getting used to a specific sound, so the deterrent system will continue to work.

About NRG Systems

NRG Systems is a subsidiary of ESCO Technologies Inc., a global provider of highly-engineered products and solutions to a variety of end-markets, including the aerospace, electric utility, and renewable energy industries. It is our shared belief that a multi-segment approach enhances the strength and stability of sales and earnings growth by providing lower risk through diversification. We also believe that innovation is essential to this strategy.

Are you developing new technology? Did you know your development work could be eligible for the R&D Tax Credit and you can receive up to 14% back on your expenses? Even if your development isn’t successful your work may still qualify for R&D credits (i.e. you don’t need to have a patent to qualify). To find out more, please contact a Swanson Reed R&D Specialist today or check out our free online eligibility test.

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Swanson Reed is one of the U.S.’ largest Specialist R&D tax advisory firms. We manage all facets of the R&D tax credit program, from claim preparation and audit compliance to claim disputes.

Swanson Reed regularly hosts free webinars and provides free IRS CE and CPE credits for CPAs. For more information please visit us at or contact your usual Swanson Reed representative.

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