Stephen Roby

This inventor holds 16 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents, primarily in Biodiesel Fuels. Top assignees: Chevron U.s.a. Inc., The Lubrizol Corporation, Chevron Oronite Company LLC. Active years: 1997-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen Roby. Retrieved from https://idiyas.com/inventor/stephen-roby

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

Calculating rank

USPTO Granted Patents = 16

% Patents Active = 56.3

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 2

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 209(Granted Patents)

Location History:

Chesterland, OH (US) (1997 - 1999)
Hercules, CA (US) (2008 - 2015)

Company Filing History:

The Lubrizol Corporation

patents

4 out of 301

Chevron Oronite Company LLC

patents

Years Active: 1997-2015

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Areas of Expertise:

Biodiesel

Low Pour Point

Heavy Metals Removal

Combustion Improver

Engine Oil

Lubricants

Fuel Economy

Additive Compositions

Low-Viscosity Oil

Functional Fluids

Polysulfides

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9006501 - Low pour point renewable fuel blend (2015-04-14),

2. 8992769 - Process, method, and system for removing heavy metals from fluids (2015-03-31),

3. 8147567 - Enhanced biodiesel fuel having improved low-temperature properties and methods of making same (2012-04-03),

4. 8142524 - Biodiesel-derived combustion improver (2012-03-27),

5. 8057558 - Enhanced biodiesel fuel having improved low-temperature properties and methods of making same (2011-11-15),

6. 7931703 - Methods for improving low-temperature properties of biodiesel fuel (2011-04-26),

7. 7926453 - Engine oil compositions (2011-04-19),

8. 7678747 - Engine oil compositions (2010-03-16),

9. 7465696 - Lubricating base oil compositions and methods for improving fuel economy in an internal combustion engine using same (2008-12-16),

10. 7454947 - Method of determining diesel engine valve train wear using a carbon black particle mixture (2008-11-25),

11. 6001783 - Mixed polysulfides and lubricants and functional fluids containing the (1999-12-14),

12. 5726132 - Oil composition for improving fuel economy in internal combustion engines (1998-03-10),

13. 5712230 - Additive compositions having reduced sulfur contents for lubricants and (1998-01-27),

14. 5705458 - Additive compositions for lubricants and functional fluids (1998-01-06),

15. 5693598 - Low-viscosity lubricating oil and functional fluid compositions (1997-12-02),

Title: The Innovations of Stephen Roby

Introduction

Stephen Roby, an accomplished inventor based in Hercules, California, has made significant strides in the field of renewable energy and environmental remediation. With a remarkable portfolio that boasts 10 patents, Roby exemplifies the innovative spirit and dedication necessary for addressing complex challenges in modern science.

Latest Patents

Among his most recent inventions is a patent for a **Low Pour Point Renewable Fuel Blend**. This innovative blend is designed to feature biologically derived Cto C normal paraffins, which are provided in such quantities that no additional pour point reducing treatment is needed to achieve a low pour point. The efficiency of this blend is enhanced through a hydrotreating process.

Another significant patent is for a **Process, Method, and System for Removing Heavy Metals from Fluids**. This invention focuses on reducing trace levels of heavy metals, such as mercury, from crude oil. By utilizing a reducing agent, the method helps convert non-volatile mercury into a volatile form, facilitating its removal through techniques like stripping and adsorption. Some embodiments of this patent boast removal rates as high as 99%, showcasing Roby’s commitment to environmental sustainability.

Career Highlights

Stephen Roby has built an impressive career with key positions at prominent companies, including Chevron U.S.A. Inc. and Chevron Oronite Company LLC. His time at these companies has allowed him to focus on innovations that not only meet industrial demands but also align with environmental best practices.

Collaborations

Throughout his career, Roby has collaborated with talented individuals, including Guangci Zhou and Susanne G. Ruelas. These partnerships have contributed to the development of his innovative projects and have fostered a collaborative atmosphere where creative solutions can thrive.

Conclusion

Stephen Roby is a noteworthy figure in the landscape of modern invention, particularly in the domains of renewable energy and ecological remediation. His contributions, through his patents and collaborative efforts, demonstrate the powerful impact that dedicated inventors can have on addressing environmental challenges and promoting sustainable practices. As he continues to innovate, Roby exemplifies the potential for inventions to shape a better future.

Profile summary based on public USPTO records.