Company Filing History:
Years Active: 1981-1998
Title: The Innovations of Philip C. Harwood
Introduction
Philip C. Harwood is a notable inventor based in Elgin, Illinois. He has made significant contributions to the field of ultrasonic technology, holding two patents that showcase his innovative spirit and technical expertise. His work primarily focuses on enhancing the efficiency and functionality of ultrasonic transducer assemblies.
Latest Patents
Harwood's latest patents include an "Ultrasonic transducer assembly using crush foils" and a "Control circuit for piezoelectric ultrasonic generators." The ultrasonic transducer assembly features a pre-stressed, sandwich-type design that incorporates alternating piezoelectric and electrode members. This design utilizes thin, soft aluminum foil washers to fill inter-element voids created by surface irregularities, enhancing the overall performance of the transducer. The control circuit for piezoelectric ultrasonic generators is designed to drive a transducer/horn assembly with a high power output. It includes a transistor bridge inverter power output circuit and a pulse generating circuit that ensures efficient operation while protecting against overloads.
Career Highlights
Harwood has dedicated his career to advancing ultrasonic technology, working at Dukane Corporation, where he has been able to apply his innovative ideas in a practical setting. His contributions have not only improved existing technologies but have also paved the way for new applications in various industries.
Collaborations
Throughout his career, Harwood has collaborated with various professionals, including his coworker George H. Johnson. These collaborations have allowed for the exchange of ideas and the development of cutting-edge technologies in the field of ultrasonics.
Conclusion
Philip C. Harwood's work exemplifies the spirit of innovation in the field of ultrasonic technology. His patents reflect a commitment to improving the efficiency and effectiveness of ultrasonic devices, making a lasting impact on the industry.
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