Baton Rouge, LA, United States of America

Donald G Campbell

This inventor holds 3 USPTO granted patents. Top assignee: Ethyl Petroleum Additives, Inc.. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald G Campbell. Retrieved from https://idiyas.com/inventor/donald-g-campbell-hrmplqs4

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 61(Granted Patents)


Location History:

  • St. Louis, MO (US) (1993)
  • Baton Rouge, LA (US) (1993 - 1999)

Company Filing History:


Years Active: 1993-1999

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Donald G. Campbell

Introduction

Donald G. Campbell is a notable inventor based in Baton Rouge, LA (US). He has made significant contributions to the field of lubricant compositions, particularly in gear oils and additives. With a total of 3 patents to his name, Campbell's work has had a considerable impact on the automotive and lubrication industries.

Latest Patents

Campbell's latest patents focus on enhancing the performance of gear oils. One of his notable inventions involves lubricant compositions that include a combination of oil-soluble sulfur-containing extreme pressure agents, amine salts of partial esters of phosphorus acids, and oil-soluble succinimides. These compositions are designed to improve positraction performance in gear oils. Another patent addresses gear oil additive concentrates that minimize noise and vibration in limited slip axles. This invention utilizes a combination of oil-soluble succinimides and boronated or non-boronated carboxylic derivative compositions, ensuring that the lubricant compositions are devoid of any metal-containing components.

Career Highlights

Donald G. Campbell has built a successful career at Ethyl Petroleum Additives, Inc. His expertise in lubricant technology has positioned him as a key figure in the development of advanced gear oil formulations. His innovative approach to solving lubrication challenges has garnered recognition within the industry.

Collaborations

Throughout his career, Campbell has collaborated with talented individuals such as Stephen Norman and Gregory S. Conary. These partnerships have contributed to the advancement of lubricant technologies and the successful development of his patented inventions.

Conclusion

Donald G. Campbell's contributions to lubricant compositions and gear oils demonstrate his innovative spirit and dedication to improving automotive performance. His patents reflect a deep understanding of the complexities involved in lubrication technology.

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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