Arlington, TX, United States of America

Robert J Deffeyes

This inventor holds 22 USPTO granted patents, primarily in Metal Powder Technologies. Top assignees: Graham Magnetics Incorporated, Carlisle Memory Products Group Incorporated, Other. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert J Deffeyes. Retrieved from https://idiyas.com/inventor/robert-j-deffeyes

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 12

Forward Citations = 479(Granted Patents)


Location History:

  • Graham, TX (US) (1977)
  • Arlington, TX (US) (1976 - 1990)

Company Filing History:


Years Active: 1976-1990

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Areas of Expertise:
Stainless Steel Compositions
MLC Capacitors
Silver Powder Composition
Conductive Metal Pattern
Metal Powder Paint
Magnetic Recording Media
Acicular Metal Crystals
Porous Powders
Coated Particles
Powder Products
Iron-Nickel-Cobalt Powders
Dessicant Composition
22 patents (USPTO):Explore Patents

Title: **Robert J Deffeyes: Innovator in Metallization Technologies**

Introduction

Robert J Deffeyes, an accomplished inventor based in Arlington, TX, has made significant contributions to the field of metallization compositions, securing an impressive total of 22 patents. His innovative approaches have advanced multiple technologies, particularly in the realm of electrical components.

Latest Patents

Among his latest patents are groundbreaking inventions like the "Stainless Steel Silver Compositions," which describe metallization compositions utilizing a relatively refractory flake product, such as flake-shaped powder of stainless steel, combined with a conductive metal, notably silver. This composition, upon melting, creates an excellent and cost-effective conductor held within a flake-type matrix. Additionally, he developed processes related to the formation of terminations for multi-layer capacitors, which employ a high-intensity heat source to fuse terminal materials to the capacitor blank while preventing silver migration from the body electrodes.

Career Highlights

Throughout his career, Robert has made substantial contributions to the field while working at Graham Magnetics Incorporated, where he honed his skills and furthered his innovative ideas. His work has consistently focused on creating advanced solutions for metallization and capacitor technologies, demonstrating his expertise and commitment to innovation.

Collaborations

Robert has collaborated with notable professionals in the industry, including Harris W Armstrong and Wesley R Tyler. These collaborations have fostered an environment of shared knowledge and innovation, allowing them to produce cutting-edge inventions that address modern technological challenges.

Conclusion

Robert J Deffeyes's work continues to influence the field of metallization and electrical components significantly. With 22 patents to his name, his innovative spirit exemplifies the impact that dedication and expertise can have on technological advancement. His contributions are a testament to the potential of inventive thinking in shaping the future of electrical engineering and materials science.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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