Location History:
- Caruthers, CA (US) (1988 - 2000)
- Glendora, CA (US) (1991 - 2000)
- Portland, OR (US) (2016 - 2020)
Company Filing History:
2 out of 12 
1 out of 1 
1 out of 3 Years Active: 1988-2020
Title: David L Walker: Innovator in Zirconium Alloy Technologies
Introduction
David L Walker is a notable inventor based in Caruthers, CA (US). He has made significant contributions to the field of materials science, particularly in the development of methods for forming oxide layers on metal bodies. With a total of 12 patents to his name, Walker's work has advanced the understanding and application of zirconium alloys in various industries.
Latest Patents
Among his latest patents, Walker has developed innovative methods for forming an oxide layer on a Metal Injection Molded (MIM) body. This process involves several steps, including hot isostatic pressing, heat treating, machining, polishing, and oxidizing the surface of the MIM body. In some embodiments, the polishing step includes two vibratory finishing steps to ensure a high-quality surface finish.
Another significant patent focuses on preparing the surface of a cast zirconium alloy substrate for oxidation. This method includes hot isostatic pressing, heating, machining, and surface treatment to accept an oxide layer. The treatment may involve polishing, peening, and finishing the surface to enhance its properties. Additionally, heat treating the cast substrate helps define a homogenized grain structure, which is crucial for improving the material's performance.
Career Highlights
Throughout his career, David L Walker has worked with various companies, including Sun-Maid Growers of California. His experience in the industry has allowed him to apply his innovative ideas and contribute to advancements in material processing and technology.
Collaborations
Walker has collaborated with notable individuals in his field, including Steven A Spears and Ray Austin, Jr. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
David L Walker's contributions to the field of zirconium alloy technologies are significant and impactful. His innovative patents and collaborative efforts highlight his dedication to advancing materials science. Walker's work continues to influence the industry and inspire future innovations.
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.