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For the Inventor, By the Inventor

Midland, MI, United States of America

Donald R Beaman

This inventor holds 12 USPTO granted patents. Top assignee: The Dow Chemical Company. Active years: 1989-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald R Beaman. Retrieved from https://idiyas.com/inventor/donald-r-beaman

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 8

Forward Citations = 166(Granted Patents)


Company Filing History:

goldMedal12 out of 7,680 
 
The Dow Chemical Company
 patents

Years Active: 1989-1997

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12 patents (USPTO):Explore Patents
1. 5643843 - Silicon nitride/silicon carbide composite densified materials prepared (1997-07-01),
2. 5595622 - Method of making a boron carbide cermet with an aluminum oxide layer (1997-01-21),
3. 5538675 - Method for producing silicon nitride/silicon carbide composite (1996-07-23),
4. 5525556 - Silicon nitride/silicon carbide composite powders (1996-06-11),
5. 5508120 - Boron carbide cermet structural materials with high flexure strength at (1996-04-16),
6. 5413972 - SiAlON composites and method of preparing the same (1995-05-09),
7. 5227346 - Sialon composites and method of preparing the same (1993-07-13),
8. 5160508 - Self-reinforced silicon nitride ceramic of high fracture toughness (1992-11-03),
9. 5118645 - Self-reinforced silicon nitride ceramic of high fracture toughness and a (1992-06-02),
10. 5021372 - Method of preparing a self-reinforced silicon nitride ceramic of high (1991-06-04),
11. 4919689 - Self-reinforced silicon nitride ceramic of high fracture toughness (1990-04-24),
12. 4883776 - Self-reinforced silicon nitride ceramic of high fracture toughness and a (1989-11-28),

Title: The Innovative Contributions of Donald R. Beaman

Introduction

Donald R. Beaman is a notable inventor based in Midland, MI, who has made significant contributions to the field of materials science. With a total of 12 patents to his name, Beaman has focused on developing advanced composite materials that have practical applications in various industries.

Latest Patents

Among his latest patents is the invention of silicon nitride/silicon carbide composite densified materials. This innovation involves preparing silicon nitride-silicon carbide composite powders through the carbothermal reduction of crystalline silica powder, carbon powder, and optionally, crystalline silicon nitride powder. The resulting composite powders, characterized by a mean number diameter of less than about 700 nanometers and containing nitrogen, can be utilized to create sintered ceramic bodies and self-reinforced silicon nitride ceramic bodies. Another significant patent is the method of making a boron carbide cermet with an aluminum oxide layer. This process entails infiltrating molten aluminum or aluminum alloy into a porous preform to form a densified cermet, which can withstand prolonged exposure to high temperatures without degrading its physical properties.

Career Highlights

Donald R. Beaman is currently employed at The Dow Chemical Company, where he continues to innovate and develop new materials. His work has not only advanced the field of materials science but has also contributed to the practical applications of these materials in various industries.

Collaborations

Beaman has collaborated with several esteemed colleagues, including Aleksander Jozef Pyzik and William J. Dubensky. These collaborations have further enhanced the research and development efforts in the field of composite materials.

Conclusion

Donald R. Beaman's contributions to materials science through his innovative patents and collaborations highlight his significant role in advancing technology. His work continues to impact various industries, showcasing the importance of innovation in material development.

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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