Company Filing History:
2 out of 3,345 
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1 out of 382 
Years Active: 1976-1992
Title: **The Innovations of Anthony T D'Annessa**
Introduction
Anthony T D'Annessa, based in Marietta, GA, is a prominent inventor known for his contributions to the field of optical fiber technology. With a total of four patents to his name, D'Annessa has played a pivotal role in advancing methods related to heating elongated glass substrates and the manufacturing of optical fiber preform rods.
Latest Patents
D'Annessa's latest patents reflect his expertise and innovative approach in his field. One significant invention is focused on the "Methods for heating elongated glass substrate." This method introduces a unique torch assembly that utilizes multiple nozzles to heat a glass tube while minimizing contamination risks caused by thermal degradation. By positioning the nozzles correctly, the invention ensures efficient heating and enhances the reaction of materials flowed into the glass tube.
Another notable patent is the "Method and apparatus for making optical fiber preform rods." This invention describes a manufacturing process where chemical materials are introduced into a rotating preform tube under a moving zone of heat, ultimately collapsing the tube to create a preform rod. This technology not only emphasizes the importance of preventing contamination but also addresses the challenges related to thermal expansion during production.
Career Highlights
D'Annessa's career boasts significant contributions while working at renowned institutions. He held positions at AT&T Bell Laboratories and American Telephone & Telegraph Company, where he honed his skills and developed pioneering technologies. His work has had lasting impacts on the telecommunications industry.
Collaborations
Throughout his career, D'Annessa has collaborated with notable figures, including Ray S. Elliott and Jerry W. Baumgart. These partnerships have facilitated the exchange of ideas and led to innovative solutions in the realm of optical fiber technology and production.
Conclusion
Anthony T D'Annessa's contributions to optical fiber technology exemplify the spirit of innovation and the importance of collaboration in the field. With his robust patent portfolio and experience in prestigious companies, he continues to inspire future inventors and innovators in the industry.