Location History:
- Saint Paul, MN (US) (2001)
- Autsin, TX (US) (2002)
- Austin, TX (US) (1990 - 2021)
Company Filing History:
8 out of 14,084 
3 out of 7,865 
2 out of 832,880 Years Active: 1990-2025
Title: Innovations of Ziyad Hanna Doany
Introduction
Ziyad Hanna Doany is a notable inventor based in Austin, Texas, recognized for his contributions to technology and engineering. He holds a total of 13 patents, showcasing his innovative spirit and technical expertise. His work primarily focuses on devices that enhance the detection and functionality of underground infrastructure.
Latest Patents
One of his latest inventions is a marker device for underground infrastructure. This device comprises a cover, a marker detectable underground by a magnetic field detecting locating device, and a holder made from a compliant material. The marker is designed to have a diameter smaller than the inner diameter of the cover, ensuring it is securely positioned between the cover and the holder. This innovative design allows for efficient attachment to the outer surface of a utility valve cap of an underground valve.
Another significant patent is the magneto-mechanical marker with enhanced frequency stability and signal strength. This device features a ferromagnetic resonator element that has a length equal to an integer multiple of a wavelength of its resonant frequency. The resonator is constructed from an amorphous metal material, and it includes at least one bias magnetic element positioned along its lateral side. This invention aims to improve the performance and reliability of magnetic detection systems.
Career Highlights
Ziyad has worked with prominent companies such as 3M Innovative Properties Company and Minnesota Mining and Manufacturing Company. His experience in these organizations has contributed to his development as an inventor and has provided him with a platform to innovate and create impactful technologies.
Collaborations
Throughout his career, Ziyad has collaborated with talented individuals, including Timothy A. Parkinson and Dean M. Dowdle. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Ziyad Hanna Doany is a distinguished inventor whose work in underground infrastructure technology has led to significant advancements. His patents reflect a commitment to innovation and problem-solving in the field. His contributions continue to influence the industry and inspire future inventors.