Berlin, Germany

Rens Douma

This inventor holds 6 USPTO granted patents. Top assignees: Rolls-Royce Deutschland Ltd & Co. Kg, Rolls-Royce Corporation. Active years: 2023-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rens Douma. Retrieved from https://idiyas.com/inventor/rens-douma

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2023-2025

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6 patents (USPTO):Explore Patents

Title: Rens Douma: Innovator in Friction Bearing Technology

Introduction

Rens Douma is a notable inventor based in Berlin, Germany. He has made significant contributions to the field of friction bearing technology, holding a total of 6 patents. His innovative work focuses on improving the efficiency and functionality of friction bearings in planetary gearboxes.

Latest Patents

Among his latest patents, Douma has developed a friction bearing and method for lubricating and cooling a friction bearing. This invention involves a friction bearing of a planetary gearbox, which consists of first and second rotatably connected components. The design directs oil adjacent to an oil feed pocket of the first component into the bearing clearance between the components. The oil is supplied at a defined pressure, ensuring optimal lubrication and cooling. The unique profile of the oil supply line and its angle relative to the bearing clearance enhances the efficiency of oil delivery, significantly improving the performance of the gearbox.

Career Highlights

Rens Douma has worked with prestigious companies such as Rolls-Royce Deutschland Ltd & Co KG and Rolls-Royce Corporation. His experience in these organizations has allowed him to refine his expertise in mechanical engineering and innovation.

Collaborations

Throughout his career, Douma has collaborated with talented individuals, including Stephan Uhkötter and Uwe Kracht. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Rens Douma's contributions to friction bearing technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to enhancing the performance of mechanical systems, making him a significant figure in his field.

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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