Location History:
- Huntsville Madison, AL (US) (1997)
- Huntsville, AL (US) (1977 - 2021)
Company Filing History:
10 out of 8,684 
1 out of 2,546 
1 out of 2,449 
Years Active: 1977-2021
Title: Innovations and Contributions of Inventor Don A. Gregory
Introduction
Don A. Gregory, an accomplished inventor based in Huntsville, Alabama, has made significant strides in the field of optical technologies and sensors. With a portfolio of 13 patents, Gregory's contributions have revolutionized the way we approach optical filtering and fluid measurement through innovative methodologies.
Latest Patents
Don A. Gregory's latest patents showcase his ingenuity and focus on cutting-edge solutions. Notable among these is the invention of "Electrically-tunable optical filters and methods," where an optical cavity creates an absorption peak for incident light. This filter utilizes a high electro-optic coefficient material, allowing for changes in the index of refraction in response to applied voltage. This innovative feature lets users tune the absorption peak without altering the filter's physical structure.
Another significant patent by Gregory is the "Fiber optic liquid mass flow sensor and method," which provides a technique for measuring the mass flow rate of fluid in a pipe. In this invention, a light beam containing multiple wavelengths is projected across the pipe's width, passing through the fluid under examination. Fiber optic couplers strategically positioned on the opposite side detect the light beam, enabling precise measurement of the fluid's mass flow rate based on the comparative strengths of the wavelengths.
Career Highlights
Throughout his career, Don A. Gregory has worked with esteemed organizations, including the United States of America as represented by the Secretary of the Army and the United States of America as represented by the Administrator of the National Aeronautics and Space Administration (NASA). His work with these governmental bodies highlights his commitment to advancing technology in significant sectors.
Collaborations
Gregory has collaborated with notable colleagues, including professionals such as James C. Kirsch and Amy Sue Kransteuber. These partnerships have enhanced the innovative spirit in his projects, allowing for a fusion of ideas and expertise in the development of groundbreaking technologies.
Conclusion
Don A. Gregory has proven to be a frontrunner in innovation, with an impressive record of patents that reflect his dedication to advancing optical technologies and fluid measurement methods. His contributions are foundational to ongoing research and development, which continues to benefit various industries.