Petaluma, CA, United States of America

William Loh

This inventor holds 19 USPTO granted patents and 1 published patent application, primarily in Lubricating Oils. Top assignees: Chevron Research Company, Chevron U.s.a. Inc., Chevron Research & Technology Company. Active years: 1984-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Loh. Retrieved from https://idiyas.com/inventor/william-loh-hirosanl

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

USPTO Granted Patents = 19 

% Patents Active = 68.4

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 102(Granted Patents)


Company Filing History:


Years Active: 1984-2012

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Areas of Expertise:
Hydraulic Fluid
Lubricating Oil
Oxidation Stability
Ashless Compositions
Surfactant Composition
Herbicides
Chemical Control
Steam-Foaming
Paper Machine Oil
Multivalent Ion Tolerance
Oil Preparation
Tobacco Control
19 patents (USPTO):Explore Patents

Title: **William Loh: Innovator in Lubrication Technology**

Introduction

William Loh is a distinguished inventor located in Petaluma, CA, with a remarkable portfolio of 19 patents. His contributions to lubrication technology have significantly influenced industries requiring state-of-the-art hydraulic fluids and lubricants. Loh's innovative approach combines scientific research with practical applications to enhance the performance and efficiency of hydraulic systems.

Latest Patents

Among his latest innovations, Loh has developed an ashless hydraulic fluid or paper machine oil, which features a unique ashless lubricating oil. This formulation includes a base oil with a viscosity index greater than 150, crafted from a blend of petroleum-based wax and Fischer-Tropsch derived wax. Another notable patent focuses on hydraulic fluid compositions and their preparation, offering excellent seal compatibility. This composition is made from an isomerized base oil and includes specific criteria for lubricating base oil and optional components that improve performance under rigorous conditions.

Career Highlights

William Loh has made significant strides in his career, notably working for Chevron Research Company and Chevron U.S.A. Inc. His experience in these renowned companies has provided him with a platform to explore and enhance lubrication technologies, contributing to the development of advanced oils and fluids used in various applications across industries.

Collaborations

Throughout his career, Loh has collaborated with respected colleagues, including John Michael Rosenbaum and Nancy J. Bertrand. These partnerships have allowed him to leverage diverse expertise, driving innovation and further enriching his contributions to patentable technologies.

Conclusion

William Loh's dedication to advancing lubrication technologies through his innovative patents illustrates his commitment to improving industrial processes. His work in the field not only demonstrates his prowess as an inventor but also enhances the quality and efficiency of hydraulic systems worldwide. With continued collaboration and research, Loh remains a vital figure in the evolution of lubrication technology.

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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