Location History:
- Malverne, PA (US) (1989 - 1994)
- Malvern, PA (US) (1978 - 1999)
Company Filing History:
4 out of 45 
2 out of 1,404 
2 out of 97 
Years Active: 1978-1999
Title: Innovations of Geoffrey S. Hedrick
Introduction
Geoffrey S. Hedrick, an accomplished inventor based in Malvern, PA, holds an impressive portfolio of 13 patents. His work primarily focuses on advancements in aircraft technology, particularly in the realm of air data measurement and altitude sensor calibration.
Latest Patents
Hedrick's latest innovations include two noteworthy patents. The first is an "Air Data Measurement System with Circuit for Linearizing Pressure." This system comprises a device for sensing external air pressure on an aircraft, featuring a pressure transducer in fluid communication with the sensing device. The transducer employs a piezoresistive bridge attached to a flexible diaphragm, which allows for variations in electrical resistance in response to sensed air pressure. The system also includes a current supply that adjusts the excitation current to optimize sensitivity relative to the aircraft's airspeed.
The second patent is a "Method for Calibrating Aircraft Altitude Sensors." This method involves calibrating a pressure-sensing altitude sensor while the aircraft is in flight. It includes obtaining reference atmospheric pressures via a balloon equipped with a reference pressure sensor, which transmits data back to a base station while its height is measured with ground-based radar. This innovative approach allows for precise calibration of the aircraft’s sensors by providing comparative atmospheric pressure values.
Career Highlights
Throughout his career, Hedrick has been associated with Innovative Solutions & Support, Inc., where he contributed significantly to the field of aviation technology. His work has been pivotal in enhancing the reliability of aircraft instruments and systems, thereby improving safety and performance.
Collaborations
One of Hedrick's prominent collaborators is Steven L. Tomlinson, with whom he has shared professional endeavors to advance the technology in their field. Their teamwork exemplifies successful partnerships in research and innovation.
Conclusion
Geoffrey S. Hedrick’s ingenuity has made notable contributions to aviation technology, confirming his status as a leading inventor. With his array of patents, he continues to impact the industry, paving the way for future innovations in aircraft systems and safety.