Company Filing History:
Years Active: 1977-1986
Title: Innovations by David S. Duvall: Pioneering Coatings for Superalloys
Introduction
David S. Duvall, an accomplished inventor based in Cobalt, CT, has made significant contributions to the field of protective coatings, specifically for superalloys. With a commendable portfolio of 10 patents, his innovations are characterized by enhanced performance at elevated temperatures, which is crucial for various high-tech applications.
Latest Patents
Among his latest inventions, Duvall has developed two notable patents focusing on overlay coatings with high yttrium contents. His first patent describes improved coating compositions designed to protect superalloys at elevated temperatures. These enhanced coatings, specifically of the NiCrAlY or NiCoCrAlY type, leverage higher levels of yttrium to provide superior protection. The second patent addresses overlay coatings for superalloys, where improvements are achieved by incorporating 0.1-7% silicon and 0.1-2% hafnium into MCrAlY type coatings, with M representing nickel or cobalt. Remarkably, these coatings are primarily applied using plasma spraying, a method that Duvall has found to yield substantially more effective results compared to previous technologies.
Career Highlights
David S. Duvall's career is anchored at United Technologies Corporation, where he has been instrumental in developing advanced materials for the aerospace and industrial sectors. His focus on innovation has led to the creation of high-performance coating solutions that enhance the durability and efficiency of superalloys, which are critical for components exposed to extreme temperatures and corrosive environments.
Collaborations
Throughout his career, Duvall has collaborated with esteemed colleagues such as Daniel F. Paulonis and Dinesh K. Gupta. These partnerships have fostered a rich environment of research and development, allowing for the exchange of ideas and expertise that propel the advancement of coating technologies.
Conclusion
David S. Duvall exemplifies the spirit of innovation in material sciences, particularly through his impactful work on superalloy coatings. His developments not only enhance the performance of industrial applications but also pave the way for future advancements in the field. With ten patents to his name, Duvall continues to inspire the next generation of inventors and engineers in pursuit of excellence.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.