Mechanicsville, VA, United States of America

Joseph W Roos

This inventor holds 29 USPTO granted patents and 8 published patent applications, plus 2 CIPO patents and 3 EPO patents, primarily in Emissions Control Technology. Top assignees: Afton Chemical Corporation, Ethyl Corporation, Afton Chemical Intangibles LLC. Active years: 1991-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph W Roos. Retrieved from https://idiyas.com/inventor/joseph-w-roos

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

USPTO Granted Patents = 29 (Patent Applications = 8)

% Patents Active = 62.1

CIPO Patents = 2 (Patent Applications = 2)

EPO Patents = 3 (Patent Applications = 9)

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 82(Granted Patents)

Location History:

Baton Rouge, LA (US) (1991 - 1996)
Glen Allen, VA (US) (2009)
Mechanicsville, VA (US) (2003 - 2023)

Company Filing History:

17 out of 346

Afton Chemical Corporation

Afton Chemical Intangibles LLC

patents

4. 2 out of 98

Ethyl Petroleum Additives, Inc.

patents

Years Active: 1991-2023

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Areas of Expertise:

Lubricant Formulations

Gasoline Particulate Filters

Emissions Control Systems

Copolymers

Dispersants

Biomass Gasification

Nanoalloy Additives

Combustion Improvers

Thermal Degradation

Mixed Metal Catalyst

Fuel Composition

Exhaust Emissions

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11584897 - Lubricant formulations with silicon-containing compounds (2023-02-21),

2. 11441458 - Gasoline particulate filters with high initial filtering efficiency and methods of making same (2022-09-13),

3. 11401855 - Predictive methods for emissions control systems performance (2022-08-02),

4. 11091613 - Microstructure-controlled copolymers of ethylene and C-Calpha-olefins (2021-08-17),

5. 10774722 - Predictive methods for emissions control systems performance (2020-09-15),

6. 10774708 - Gasoline particulate filters with high initial filtering efficiency and methods of making same (2020-09-15),

7. 10584297 - Polyolefin-derived dispersants (2020-03-10),

8. 10221267 - [object Object] (2019-03-05),

9. 9587190 - Fuel composition and method of formulating a fuel composition to reduce real-world driving cycle particulate emissions (2017-03-07),

10. 8603200 - Compositions comprising combustion improvers and methods of use thereof (2013-12-10),

11. 8404155 - Nanoparticle catalyst compounds and/or volatile organometallic compounds and method of using the same for biomass gasification (2013-03-26),

12. 8241599 - Method of using volatile organometallics as biomass gasification catalysts (2012-08-14),

13. 8006652 - Emissions control system for diesel fuel combustion after treatment system (2011-08-30),

14. 7878160 - Surface passivation and to methods for the reduction of fuel thermal degradation deposits (2011-02-01),

15. 7862628 - Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion system (2011-01-04),

Title: Joseph W. Roos: An Innovator in Lubricant and Emission Control Technologies

Introduction

Joseph W. Roos, a prolific inventor based in Mechanicsville, VA, holds an impressive portfolio of 29 patents. His work predominantly focuses on lubricant formulations and gasoline particulate filter technologies, which play crucial roles in enhancing engine efficiency and reducing emissions.

Latest Patents

Among his latest patents, Joseph has developed lubricant formulations that include silicon-containing compounds. These compositions consist of a major amount of a base oil and one or more calcium-containing detergents to provide at least 1000 ppmw of calcium. Furthermore, they incorporate silicon-containing compounds to provide at least 50 ppmw of silicon, ensuring optimal performance in lubricating oil compositions. The interconnected ratio of silicon to calcium is pivotal for the effectiveness of these formulations.

Another significant patent addresses the challenges faced by Gasoline Direct Injection (GDI) engines, particularly regarding gasoline particulate filters (GPFs). These filters are essential for controlling emissions and often suffer from poor initial performance. Joseph's innovative solutions and methodologies aim to improve filtration efficiency in fresh or low mileage GPFs, thereby facilitating better emissions performance assessments for vehicle certification.

Career Highlights

Joseph's career has been marked by key contributions through his work at Afton Chemical Corporation and Ethyl Corporation. His roles in these esteemed companies have allowed him to develop groundbreaking technologies that are critical in the automotive and lubrication industries.

Collaborations

Throughout his career, Joseph has collaborated with professionals like Allen A. Aradi and Gregory Guinther. These partnerships have enriched his inventions and expanded the impact of his work on the industry, showcasing the importance of teamwork in driving innovation.

Conclusion

Joseph W. Roos stands out as a significant figure in the realm of innovations related to lubricants and emission control technologies. With a wealth of patents to his name, his work continues to influence advancements in engine performance and environmental sustainability, demonstrating the vital role of inventors in shaping the future of technology.

Profile summary based on public USPTO records.