This inventor holds 58 USPTO granted patents and 15 published patent applications, plus 36 CIPO patents and 45 EPO patents, primarily in Metal Casting Technology. Top assignees: Novelis, Inc., Wagstaff, Inc., Alcan International Limited. Active years: 1992-2025.
Location History:
- Veradale, WA (US) (1992 - 2003)
- Spokane Valley, WA (US) (2011 - 2012)
- Greenacres, WA (US) (2009 - 2024)
Company Filing History:
48 out of 263 
7 out of 43 
1 out of 495 Years Active: 1992-2025
Areas of Expertise:
Title: Robert Bruce Wagstaff: A Pioneer in Casting Innovations
Introduction
Robert Bruce Wagstaff, hailing from Greenacres, WA, has made significant strides in the field of metal casting. With an impressive portfolio of 47 patents, he continues to innovate and enhance the processes associated with metal production. His work exemplifies the spirit of invention, focusing on improving techniques that benefit the casting industry.
Latest Patents
Wagstaff’s latest patents demonstrate his commitment to advancing casting technology. One of his notable innovations is the "Mold corner heating during casting," which proposes systems and methods utilizing magnetic rotors to heat molten metal specifically in the corners of a mold. By ensuring that the molten metal in the corners is raised to optimal temperatures, this method minimizes the formation of intermetallics, ultimately leading to higher-quality metal products.
Moreover, his patent on "Reduced final grain size of unrecrystallized wrought material produced via the direct chill (DC) route" elaborates on improving the grain size of metal products through recrystallization-suppressing dispersoids. This enhancement is achieved by reheating the outer regions of a direct chill cast ingot, which permits the formation of dispersoids crucial for producing fine grain sizes as-cast.
Career Highlights
Wagstaff's extensive career at Novelis, Inc. has solidified his reputation as a leading innovator in the metal casting sector. His tireless efforts have not only resulted in numerous patents but have also contributed to the development of advanced technologies that improve product performance and reliability.
Collaborations
In his journey as an inventor, Wagstaff has collaborated with esteemed colleagues such as Wayne J. Fenton and Eric W. Reeves. These professional relationships have undoubtedly facilitated the exchange of ideas and fostered an environment of creativity, resulting in groundbreaking inventions in their field.
Conclusion
In conclusion, Robert Bruce Wagstaff stands out as a vital contributor to innovations in the casting industry. With a robust portfolio of 47 patents, his efforts at Novelis, Inc., combined with his collaborative spirit, continue to pave the way for future advancements in this critical manufacturing sector. His work not only reflects his ingenuity but also his dedication to enhancing metal casting technologies for better efficiency and quality.