This inventor holds 3 USPTO granted patents. Top assignee: Johnson Service Company. Active years: 1988-1991.
Location History:
- Shorewood, WI (US) (1988)
- Milwaukee, WI (US) (1990 - 1991)
Company Filing History:
Years Active: 1988-1991
Title: Innovations by Thomas S Sanfelippo
Introduction
Thomas S Sanfelippo is an accomplished inventor based in Milwaukee, WI (US). He has made significant contributions to the field of sensor technology, holding a total of 3 patents. His work focuses on developing advanced sensors that can operate effectively in various environmental conditions.
Latest Patents
One of his latest patents is an acoustic wave H₂O phase-change sensor capable of self-cleaning. This innovative sensor can distinguish between air, water, dew, frost, and ice, as well as various frost thicknesses. It is designed to fit in small spaces, such as between the fins of an evaporator, and is fabricated on a strong piezoelectric substrate. The sensor experiences large changes in insertion loss and impedance upon the deposition of water in different phases. Additionally, it features a hydrophobic surface treatment that allows it to self-clean during refrigeration defrost cycles.
Another notable patent is a flow sensing device that utilizes surface acoustic waves. This sensor employs a SAW oscillator that is heated above ambient temperature by converting RF energy to heat. The design includes energy absorbers located outside the path of propagation, which results in low insertion loss. The device measures fluid flow by directing the fluid across the SAW delay line, which lowers the substrate temperature and changes the oscillator frequency, indicating gas velocity. It can also detect gas or vapor contaminants using chemically sensitive coatings on the substrate.
Career Highlights
Thomas S Sanfelippo is currently employed at Johnson Service Company, where he continues to innovate in the field of sensor technology. His work has significantly advanced the capabilities of sensors used in various applications, enhancing their efficiency and reliability.
Collaborations
He collaborates with John G Brace, contributing to the development of cutting-edge technologies in their field.
Conclusion
Thomas S Sanfelippo's contributions to sensor technology through his innovative patents demonstrate his expertise and commitment to advancing this field. His work continues to impact various industries, showcasing the importance of innovation in technology.