Zwingenberg, Germany

Stefan Hilf

This inventor holds 6 USPTO granted patents and 1 published patent application and 17 EPO patents. Top assignee: Evonik Operations Gmbh. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Hilf. Retrieved from https://idiyas.com/inventor/stefan-hilf-j1afgfav

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

USPTO Granted Patents = 6 

% Patents Active = 83.3

 

Average Co-Inventor Count = 6.5

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2023-2026

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6 patents (USPTO):Explore Patents

Title: The Innovations of Stefan Hilf

Introduction

Stefan Hilf is a notable inventor based in Zwingenberg, Germany. He has made significant contributions to the field of high viscosity base fluids, particularly through his work at Evonik Operations GmbH. With a total of 6 patents to his name, Hilf's innovations are paving the way for advancements in lubricant compositions.

Latest Patents

Hilf's latest patents focus on high viscosity base fluids derived from oil-compatible polyesters. One of his patents describes a polyester that serves as a high viscosity base fluid, with a preparation method that includes isomerizing an alpha-olefin, epoxidizing an internal olefin, reacting an internal epoxide, and isolating the polyester. These polyesters can be utilized in various lubricant compositions, making them suitable for automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, and hydraulic oils. Another patent highlights a similar polyester, prepared from long-chain epoxides, which also finds applications in the same range of lubricant compositions.

Career Highlights

Stefan Hilf has established himself as a key figure in the development of innovative lubricant solutions at Evonik Operations GmbH. His expertise in polyester chemistry has led to the creation of products that enhance the performance and efficiency of various automotive and industrial applications.

Collaborations

Hilf collaborates with talented coworkers, including Stefan Maier and Fabian Ziegler, to drive innovation within his team. Their combined efforts contribute to the advancement of technologies in the lubricant industry.

Conclusion

Stefan Hilf's work exemplifies the impact of innovation in the field of high viscosity base fluids. His patents not only showcase his expertise but also highlight the importance of collaboration in driving technological advancements.

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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