San Rafael, CA, United States of America

Timothy R Erdman

This inventor holds 17 USPTO granted patents, primarily in Lubricating Oil Technologies. Top assignee: Chevron Research Company. Active years: 1981-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Timothy R Erdman. Retrieved from https://idiyas.com/inventor/timothy-r-erdman

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 10

Forward Citations = 374(Granted Patents)

Company Filing History:

17 out of 1,860

Chevron Research Company

patents

Years Active: 1981-1990

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Areas of Expertise:

Lubricating Oil

Fuel Economy

Dispersant Additives

Modified Succinimides

Hydrocarbon Soluble

Braking Noise Reduction

Amine Substituted

Fuel-Efficient

Internal Combustion Engines

Oil Compositions

Carboxylic Amide

Nitrogen Containing

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4927551 - Lubricating oil compositions containing a combination of a modified (1990-05-22),

2. 4840744 - Modified succinimides and lubricating oil compositions containing the (1989-06-20),

3. 4747971 - Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric (1988-05-31),

4. 4746446 - Modified succinimides (1988-05-24),

5. 4713190 - Modified carboxylic amide dispersants (1987-12-15),

6. 4648980 - Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric (1987-03-10),

7. 4615826 - Hydrocarbon soluble nitrogen containing dispersant-fluorophosphoric acid (1986-10-07),

8. 4612132 - Modified succinimides (1986-09-16),

9. 4584112 - Fuel-efficient lubricating oil (1986-04-22),

10. 4548722 - Dispersant lubricating oil additives (1985-10-22),

11. 4521319 - Dispersant lubricating oil additives (1985-06-04),

12. 4410437 - Amine substituted hydrocarbon polymer dispersant lubricating oil (1983-10-18),

13. 4406803 - Method for improving fuel economy of internal combustion engines (1983-09-27),

14. 4376056 - Fuel economy in internal combustion engines (1983-03-08),

15. 4336149 - Fuel economy in internal combustion engines (1982-06-22),

Title: The Innovations of Timothy R. Erdman

Introduction

Timothy R. Erdman is a notable inventor based in San Rafael, California. He has made significant contributions to the field of lubricating oil compositions, holding a total of 17 patents. His work focuses on enhancing the performance and compatibility of lubricants used in various engines.

Latest Patents

Erdman's latest patents include innovative lubricating oil compositions that combine modified polyamino alkenyl or alkyl succinimides with carbamate functionalities. These compositions demonstrate minimal adverse compatibility effects on deposits in diesel engines when compared to traditional lubricating oil compositions. Additionally, he has disclosed additives that serve as effective dispersants in lubricating oils, gasolines, marine crankcase oils, and hydraulic oils.

Career Highlights

Timothy R. Erdman has built a successful career at Chevron Research Company, where he has been instrumental in developing advanced lubricating oil technologies. His expertise in the field has led to numerous innovations that improve engine performance and efficiency.

Collaborations

Throughout his career, Erdman has collaborated with esteemed colleagues such as Robert H. Wollenberg and Frank Plavac. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Timothy R. Erdman's contributions to the field of lubricating oil compositions have significantly advanced the industry. His innovative patents and collaborative efforts continue to influence the development of high-performance lubricants.

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]