Location History:
- Coumbia, SC (US) (2011)
- Columbia, SC (US) (1984 - 2024)
Company Filing History:
28 out of 32 
1 out of 662 
3 out of 832,912 Years Active: 1984-2025
Title: F. David Doty: Pioneering Innovations in Terahertz Technologies
Introduction
F. David Doty is a distinguished inventor based in Columbia, SC, renowned for his innovative contributions to the fields of terahertz waveguides and gas supply systems. Over the course of his career, he has secured a remarkable 31 patents, showcasing his dedication to advancing technology and science.
Latest Patents
Among his latest inventions, Doty's patent for a terahertz waveguide stands out for its unique design and performance advantages. The waveguide comprises an outer copper layer laminated with an inner dielectric layer, forming a rolled guide tube encased by a support tube. This design offers significant cost and size advantages over traditional corrugated waveguides and enhances performance compared to prior dielectric-lined waveguides. Additionally, it provides improved coupling, bandwidth, and cost advantages relative to micro-structured-fiber waveguides.
Another noteworthy patent focuses on stabilizing control of a saturated cold gas stream. This innovative method supplies pressurized cold gas, predominantly nitrogen and helium, at a low flow rate with a specific liquid fraction. By cooling pressurized ultra-dry nitrogen gas in fine coils bathed in liquid nitrogen, Doty can maintain a vapor fraction under 20%, delivering gas needed for various instruments requiring cold gas supply.
Career Highlights
Throughout his career, F. David Doty has played a pivotal role in developing cutting-edge technologies. His work at Doty Scientific, Inc. has been particularly instrumental in the realm of terahertz applications. His dedication to research and development has led to numerous innovations that have a profound impact on technology as we know it.
Collaborations
Doty's collaborations with talented professionals, such as Jonathan B. Spitzmesser and Siddarth Shevgoor, have further enriched his research endeavors. Together, they have pooled their expertise to push the boundaries of what's possible in their respective fields.
Conclusion
F. David Doty remains a dynamic force in the world of innovations and technology. His extensive portfolio of patents not only highlights his creativity and ingenuity but also reflects his commitment to improving the efficiency and functionality of modern scientific instruments. As his work continues to evolve, it is evident that Doty will remain a key player in pioneering technological advancements.