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For the Inventor, By the Inventor

Troy, MI, United States of America

Samuel C DuBois

This inventor holds 6 USPTO granted patents. Top assignees: Wall Colmonoy Corporation, Wall Comonoy Corporation. Active years: 1988-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Samuel C DuBois. Retrieved from https://idiyas.com/inventor/samuel-c-dubois

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 4

Forward Citations = 67(Granted Patents)


Location History:

  • Britton, MI (US) (1988)
  • Troy, MI (US) (1992 - 1995)
  • Madison Heights, MI (US) (2001)

Company Filing History:

goldMedal5 out of 9 
 
Wall Colmonoy Corporation
 patents
silverMedal1 out of 1 
 
Wall Comonoy Corporation
 patent

Years Active: 1988-2001

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6 patents (USPTO):Explore Patents
1. 6197437 - Casting alloys and method of making composite barrels used in extrusion and injection molding (2001-03-06),
2. 5387294 - Hard surfacing alloy with precipitated metal carbides and process (1995-02-07),
3. 5234510 - Surfacing nickel alloy with interdendritic phases (1993-08-10),
4. 5183636 - Braze filler metal with enhanced corrosion resistance (1993-02-02),
5. 5141571 - Hard surfacing alloy with precipitated bi-metallic tungsten chromium (1992-08-25),
6. 4731253 - Wear resistant coating and process (1988-03-15),

Title: Innovations by Samuel C DuBois

Introduction

Samuel C DuBois is a notable inventor based in Troy, MI (US). He holds a total of 6 patents that showcase his contributions to the field of materials science and engineering. His work primarily focuses on advanced alloys and composite materials used in manufacturing processes.

Latest Patents

One of his latest patents is for a composite barrel used in extrusion and injection molding. This innovative design features an outer housing with a cylindrical bore and a wear-resistant lining made from a specialized alloy. The alloy includes a base metal, such as nickel or cobalt, combined with phosphorus and hard abrasion-resistant particulates like tungsten carbide. This composite barrel can be produced at a lower cost compared to traditional linings that require vacuum casting.

Another significant patent involves a hard surfacing alloy that boasts a Rockwell C hardness of over 50. This alloy incorporates tungsten carbide, chromium carbide, and bi-metallic mixtures of chromium and tungsten carbide crystals. The composition includes 12% to 20% tungsten and 13% to 30% chromium, along with nickel as the balance. The resulting alloys have low porosities, making them ideal for applications requiring durability and strength.

Career Highlights

Throughout his career, Samuel C DuBois has worked with Wall Colmonoy Corporation, where he contributed to the development of advanced materials. His expertise in alloy formulation and processing has made a significant impact in the industry.

Collaborations

Samuel has collaborated with notable professionals in his field, including David Martin Bielec and Subramaniam Rangaswamy. Their combined efforts have led to advancements in material science and engineering.

Conclusion

Samuel C DuBois is a distinguished inventor whose work in composite materials and alloys has paved the way for innovations in manufacturing processes. His patents reflect a commitment to enhancing material performance and cost-effectiveness in various applications.

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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