This inventor holds 3 USPTO granted patents and 3 published patent applications. Top assignees: Becton Dickinson and Company Limited, Bilge Sense LLC, Tower Manufacturing Corporation. Active years: 2016-2021.
Company Filing History:
1 out of 5,390 
1 out of 2 
1 out of 101 Years Active: 2016-2021
Title: David A. Durfee: Innovator in Fluid Sensing and Circuit Interruption Technologies
Introduction
David A. Durfee is a notable inventor based in Scituate, Rhode Island. He has made significant contributions to the fields of fluid sensing and electrical safety through his innovative patents. With a total of 3 patents to his name, Durfee's work reflects a commitment to enhancing technology for practical applications.
Latest Patents
One of Durfee's latest inventions is a fluid sensing switch. This device comprises a flex sensor with multiple conductive sensing areas and an energizing conductive area. It features a synchronous detector that identifies the presence and content of a bilge, producing a signal that activates a pump when necessary. Another significant patent is the programmable arc fault circuit interrupter (AFCI). This device includes a dual resistive shunt array that develops inputs for an analog front end, which in turn generates trigger quantities for a programmable processor. The processor assesses whether these quantities exceed predetermined thresholds and issues a command to disconnect AC mains power from a load if necessary.
Career Highlights
Throughout his career, David A. Durfee has worked with various companies, including Bilge Sense LLC and Tower Manufacturing Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects that enhance safety and efficiency.
Collaborations
Durfee has collaborated with talented individuals such as Petar Horvatic and Courtney Pauline Medeiros. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
David A. Durfee's contributions to fluid sensing and circuit interruption technologies demonstrate his innovative spirit and dedication to improving safety and functionality in electrical systems. His patents reflect a blend of creativity and technical expertise that continues to influence the industry.