Company Filing History:
2 out of 8,373 
2 out of 2,446 Years Active: 2014-2017
Title: Donald Bryan Freeman: Innovator in Thermal Actuation Technology
Introduction
Donald Bryan Freeman is a notable inventor based in Houston, TX (US). He has made significant contributions to the field of thermal actuation technology, holding 2 patents that showcase his innovative approach to valve actuation.
Latest Patents
Freeman's latest patents include the "Sharp-phase change shape memory alloy thermal actuator" and the "Thermally-actuated gas lift safety valve." The sharp-phase change shape memory alloy thermal actuator is designed to facilitate the movement of a valve between two positions in response to temperature changes. This actuator incorporates a shape memory alloy element that is attachable to a valve body, enhancing the efficiency of valve operation. Additionally, the thermally-actuated gas lift safety valve features a fluid flow restraining member that pivots between open and closed positions, driven by a shape memory alloy element that responds to temperature variations.
Career Highlights
Throughout his career, Freeman has worked with prestigious organizations such as the Massachusetts Institute of Technology and Chevron U.S.A. Inc. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking advancements in valve technology.
Collaborations
Freeman has collaborated with notable individuals in his field, including Eric Wright Gilbertson and Franz Hover. These partnerships have further enriched his work and expanded the impact of his inventions.
Conclusion
Donald Bryan Freeman's innovative contributions to thermal actuation technology demonstrate his expertise and commitment to advancing engineering solutions. His patents reflect a deep understanding of the mechanics involved in valve operation, positioning him as a key figure in this specialized field.