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Staff Accomplishments

PNNL Team Wins Patent for Ultrasonic Fill Device and Method

October 2005
Congratulations to ETD's Walter Weimer and James Buelt, NSD's Richard Pappas and Kayte Denslow and CISD's Don Daly and Scott Cooley for their recent U.S. patent award (#6,925,870). This invention is a method and apparatus using ultrasound transducers and a processing device to monitor liquid levels of storage containers. Unlike many ultrasonic level monitors, this invention is a reliable, accurate and non-invasive sensor that is easily installed on the exterior of storage tanks. The invention is intended to be inexpensive and easily maintained and operated. Once again, team, congratulations!

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