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Richmond, VA, United States of America

Ethyl Corporation

Calculating rank

USPTO Granted Patents = 1,362

% Expired Patents = 0.29

CIPO Patents = 10

EPO Patents = 3

Trademarks = 6

Forward Citations = 13,341

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558 inventors (with patents filed for the assignee):

Kim R Smith (56 out of 171 patents)

James E Borland (50 out of 53 patents)

Joe D Sauer (45 out of 70 patents)

4. Leonard M Niebylski (43 out of 44 patents)

5. G Patrick Stahly (39 out of 40 patents)

6. Bonnie G McKinnie (32 out of 50 patents)

7. Gunner E Nelson (32 out of 32 patents)

8. Robert N Sanders (31 out of 31 patents)

9. Edwin D Hornbaker (26 out of 26 patents)

10. Thomas H Hayes (26 out of 35 patents)

11. Everett M Marlett (25 out of 25 patents)

12. Vincent James Gatto (24 out of 47 patents)

13. Sebastian M Laurent (23 out of 23 patents)

14. Paul F Ranken (23 out of 23 patents)

15. Venkataraman Ramachandran (21 out of 25 patents)

Core Competencies:

Lubricant Additives

Emissions Control

Fuel Compositions

Molybdenum Compounds

Friction Modifiers

Dispersants

Oxidation Control

Transmission Fluids

Pour Point Depressants

Antioxidant Systems

Clean Gear Oils

Enhanced Lubricity

1,362 patents: Sort by Forward Citations

1. 6971337 - Emissions control system for diesel fuel combustion after treatment system (2005-12-06),

2. 6941743 - Lean burn emissions system protectant composition and method (2005-09-13),

3. 6914037 - Molybdenum-containing lubricant additive compositions and processes for making and using same (2005-07-05),

4. 6866690 - Friction modifier additives for fuel compositions and methods of use thereof (2005-03-15),

5. 6852680 - Dithiocarbamates containing alkylthio and hydroxy substituents (2005-02-08),

6. 6844300 - Low phosphorus clean gear formulations (2005-01-18),

7. 6821932 - Delivering molybdenum from a lubricant source into a fuel combustion system (2004-11-23),

8. 6800103 - Secondary amine mannich detergents (2004-10-05),

9. 6767871 - Diesel engine lubricants (2004-07-27),

10. 6753381 - Polymer blends and their application as viscosity index improvers (2004-06-22),

11. 6645921 - Molybdenum-containing lubricant additive compositions, and processes for making and using same (2003-11-11),

12. 6629407 - Lean burn emissions system protectant composition and method (2003-10-07),

13. 6627584 - Automatic transmission fluid additive comprising reaction product of hydrocarbyl acrylates and dihydrocarbyldithiophosphoric acids (2003-09-30),

14. 6611735 - Method of predicting and optimizing production (2003-08-26),

15. 6599865 - Effective antioxidant combination for oxidation and deposit control in crankcase lubricants (2003-07-29),

Company Overview

Ethyl Corporation, headquartered in Richmond, VA, specializes in the development and manufacturing of lubricant additives that enhance performance and efficiency in various applications. The company focuses on core technology areas including emissions control, fuel compositions, and advanced friction modifiers. Ethyl's innovative solutions also encompass molybdenum compounds, dispersants, and oxidation control, catering to the automotive and industrial sectors. Through its expertise, Ethyl contributes significantly to improving engine performance and reducing environmental impact.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

1,362 Patents

#2 in Richmond, VA

#8 in Virginia

#377 in US

#736 in the World

Richmond, VA, United States of America

Ethyl Corporation

Forward Citations = 13,341

558 inventors:

Kim R Smith (56 out of 171 patents)

James E Borland (50 out of 53 patents)

Joe D Sauer (45 out of 70 patents)

4. Leonard M Niebylski (43 out of 44 patents)

5. G Patrick Stahly (39 out of 40 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ethyl Corporation. Retrieved from https://idiyas.com/company/ethyl

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

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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