Berlin, Germany

Francis-Jurjen Ladru

This inventor holds 8 USPTO granted patents and 14 published patent applications and 15 EPO patents. Top assignee: Siemens Aktiengesellschaft. Active years: 2010-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis-Jurjen Ladru. Retrieved from https://idiyas.com/inventor/francis-jurjen-ladru

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 25.0

 

Average Co-Inventor Count = 3.2

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2010-2015

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8 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Francis-Jurjen Ladru

Introduction

Francis-Jurjen Ladru is a notable inventor based in Berlin, Germany. He has made significant contributions to the field of engineering, particularly in the area of coating processes for components with cooling-air holes. With a total of 8 patents to his name, Ladru's work has advanced the technology used in turbine blades and vanes.

Latest Patents

Ladru's latest patents include a process for coating a component having partially closed holes and a process for opening the holes. This innovative process ensures that during the coating of a component, the correct alignment of the cooling-air row is maintained. By keeping at least two cooling-air holes clear with a masking material during the coating, the alignment is effectively determined based on these unclosed holes. Another significant patent involves setting the quantity of cooling air for a turbine blade or vane by controlled overspray. This process allows for the coating of an edge within a hole in a coated component, ensuring that both outer and inner coatings are applied at different angles for optimal performance.

Career Highlights

Throughout his career, Francis-Jurjen Ladru has worked with prominent companies such as Siemens Aktiengesellschaft and Chromalloy Gas Turbine Corporation. His experience in these organizations has contributed to his expertise in the field and has allowed him to develop innovative solutions for complex engineering challenges.

Collaborations

Ladru has collaborated with several professionals in his field, including Ralf Motzkus and Helge Reymann. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Francis-Jurjen Ladru's contributions to the field of engineering through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements in coating processes.

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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