Company Filing History:
Years Active: 2011-2016
Title: The Innovations of Danny Lee Appleby
Introduction
Danny Lee Appleby is an accomplished inventor based in Indianapolis, IN. He has made significant contributions to the field of materials science, particularly in the development of high purity zirconia powders and thermal barrier coatings. With a total of 6 patents to his name, Appleby has demonstrated a commitment to advancing technology in gas turbine engines.
Latest Patents
Appleby's latest patents focus on high purity powders and their applications. One notable invention relates to high purity yttria or ytterbia stabilized zirconia powders, which contain minimal impurity oxides and hafnium oxide. These powders are essential for creating thermal barrier coatings that protect components such as blades, vanes, and seal surfaces in gas turbine engines. The coatings made from these powders exhibit a density greater than 88% of the theoretical density, featuring vertical macrocracks that enhance thermal fatigue resistance. Another patent involves thermally sprayed coatings of high purity zirconia, which share similar properties and applications.
Career Highlights
Throughout his career, Danny Lee Appleby has worked with prominent companies in the industry, including Praxair S.T. Technology, Inc. and Praxair Technology, Inc. His work has significantly impacted the development of advanced materials used in high-performance applications.
Collaborations
Appleby has collaborated with notable professionals in his field, including Thomas Alan Taylor and Albert Feuerstein. These collaborations have contributed to the advancement of his research and innovations.
Conclusion
Danny Lee Appleby is a notable inventor whose work in high purity zirconia powders and thermal barrier coatings has made a lasting impact on the materials science industry. His contributions continue to influence the development of technologies in gas turbine engines.