Manchester, MO, United States of America

Don P Hollrah

This inventor holds 3 USPTO granted patents. Top assignees: Ethyl Corporation, Ethyl Petroleum Additives, Inc.. Active years: 1992-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Don P Hollrah. Retrieved from https://idiyas.com/inventor/don-p-hollrah

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 = 2.6

ph-index = 3

Forward Citations = 61(Granted Patents)


Location History:

  • Manchester, MO (US) (1992 - 1996)
  • Midlothian, VA (US) (1997)

Company Filing History:


Years Active: 1992-1997

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3 patents (USPTO):Explore Patents

Title: Don P Hollrah: Innovator in Fuel Additives

Introduction

Don P Hollrah is a notable inventor based in Manchester, MO (US), recognized for his contributions to the field of fuel additives. He holds a total of 3 patents that focus on improving the performance and efficiency of internal combustion engines.

Latest Patents

Hollrah's latest patents include innovative compositions for the control of induction system deposits. These fuel additives comprise a variety of components, including fuel-soluble detergents and dispersants, which enhance the cleaning of engine parts. His formulations utilize a combination of long-chain aliphatic hydrocarbons and transition metal complexes to achieve significant improvements in intake valve deposit control. The unique synergy of these components allows for a remarkable reduction in engine deposits, thereby enhancing engine performance.

Career Highlights

Throughout his career, Don P Hollrah has worked with prominent companies such as Ethyl Corporation and Ethyl Petroleum Additives, Inc. His experience in these organizations has contributed to his expertise in developing effective fuel additive solutions.

Collaborations

Hollrah has collaborated with notable professionals in the field, including Lawrence J Cunningham and Alexander M Kulinowski. These partnerships have further enriched his work and innovations in fuel technology.

Conclusion

Don P Hollrah's contributions to fuel additives have made a significant impact on the automotive industry. His innovative approaches to controlling engine deposits demonstrate his commitment to enhancing engine efficiency and performance.

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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