This inventor holds 1 USPTO granted patent. Top assignee: The Foxboro Company. Active years: 1976.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976
Title: The Innovations of John P. Callahan
Introduction
John P. Callahan is a notable inventor based in Hanson, MA (US). He is recognized for his contributions to the field of flame ionization detection technology. With a focus on enhancing safety and sensitivity in hazardous environments, Callahan's work has made a significant impact in various applications.
Latest Patents
John P. Callahan holds 1 patent for his invention of a flame ionization detector. This innovative device is designed for use in hazardous areas and can be mounted in any orientation. It is capable of utilizing a small flame that can be dependably maintained. The design features a thin-walled small diameter tubular electrode within a long open-ended cylindrical collector. This arrangement maximizes the detector's sensitivity to organic vapors while maintaining excess air at a predetermined minimum. The collector's inside diameter is approximately twice the visible diameter of the flame's widest point. A curtain of air flows at a predetermined rate through the annular passage, ensuring contact with the flame and maintaining a dense ion-bearing layer of gases at the collector's surface. Additionally, a catalytic ignitor is included, equipped with an externally operated manual switch for cleaning.
Career Highlights
Throughout his career, John P. Callahan has been associated with The Foxboro Company, where he has contributed to advancements in detection technology. His work has been instrumental in developing devices that enhance safety in various industrial applications.
Collaborations
John P. Callahan has collaborated with notable coworkers, including Edwin L. Karas and Earl E. Whitamore. Their combined expertise has fostered innovation and development in their respective fields.
Conclusion
John P. Callahan's contributions to flame ionization detection technology exemplify the importance of innovation in enhancing safety and sensitivity in hazardous environments. His work continues to influence the industry and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile