Company Filing History:
14 out of 10,654 
1 out of 1 Years Active: 1996-2015
Title: The Innovations of Norman Pietruska
Introduction
Norman Pietruska, a distinguished inventor based in Durham, CT, has made remarkable contributions to the field of materials engineering. With an impressive portfolio of 15 patents, he has developed innovative solutions that cater to the needs of high-performance applications, particularly in aerospace and turbine engine technologies.
Latest Patents
Among his latest innovations are two significant patents that demonstrate his expertise. The first is a nickel alloy for repairs, which comprises a blend of about 40 to 60 wt % of a first nickel-based braze alloy containing boron, about 15 to 35 wt % of a first nickel-based filler material, and the remainder consisting of a blend of a second nickel-based filler material and a low melting eutectic braze nickel-based alloy. This invention aims to enhance the repairing capabilities of components subjected to harsh conditions.
The second patent is focused on a low temperature diffusion braze repair of single crystal components. This process addresses the challenge of repairing cracks in turbine engine components made from single crystal nickel-based material. It involves applying a repair alloy composition to the cracks and subjecting the component to a thermal cycle to facilitate the diffusion of the alloy into the cracks, thus ensuring structural integrity.
Career Highlights
Throughout his career, Norman has worked with leading firms, particularly at United Technologies Corporation. His experiences at this renowned organization have allowed him to leverage cutting-edge technologies and contribute to significant advancements in the engineering domain.
Collaborations
Norman Pietruska has collaborated with various professionals during his career, including talented colleagues like Peter J. Draghi and S. Michael Kurpaska. These collaborations have enriched his work, leading to the innovative patents that he possesses today.
Conclusion
Norman Pietruska's impact on the field of materials engineering is notable, with a strong record of patents that reflect his innovative thinking and dedication to solving complex engineering challenges. His work continues to influence advancements in turbine engine technology and beyond, showcasing the importance of creativity and collaboration in driving progress.