Joensuu, Finland

Vesa Kärkkäinen

This inventor holds 2 USPTO granted patents. Top assignee: Abloy Oy. Active years: 2003-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Vesa Kärkkäinen. Retrieved from https://idiyas.com/inventor/vesa-kandaumlrkkandaumlinen

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 2003-2004

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2 patents (USPTO):Explore Patents

Title: Vesa Kärkkäinen: Innovator in Closure Sequence Control

Introduction

Vesa Kärkkäinen is a notable inventor based in Joensuu, Finland. He has made significant contributions to the field of door closure technology, holding 2 patents that showcase his innovative approach to enhancing the functionality of double doors. His work is primarily associated with Abloy Oy, a company renowned for its security solutions.

Latest Patents

Kärkkäinen's latest patents include a "Closure Sequence Control Arrangement for Double Doors" and a "Door Closing Arrangement for a Double Door." The first patent describes a closure sequence controller designed for a pair of door leaves that pivot with respect to a door frame. This invention features an elongate guide rail, a sliding bar connected to the first door leaf, and a sequence control unit that ensures the proper closing sequence of the doors. The second patent outlines a closure sequence controller that integrates a first and second door closer, ensuring that the doors close in a coordinated manner. This innovative design prevents the second door from moving until the first door has exerted the necessary pulling force.

Career Highlights

Throughout his career, Vesa Kärkkäinen has focused on developing solutions that improve the efficiency and safety of door mechanisms. His work at Abloy Oy has positioned him as a key player in the industry, contributing to advancements in security and accessibility.

Collaborations

Kärkkäinen collaborates with Harri Juntunen, leveraging their combined expertise to drive innovation within their projects.

Conclusion

Vesa Kärkkäinen's contributions to door closure technology reflect his commitment to innovation and safety. His patents not only enhance the functionality of double doors but also demonstrate the importance of thoughtful engineering in everyday applications.

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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