Bremerhaven, Germany

Konrad Welfonder

This inventor holds 20 USPTO granted patents and 3 EPO patents, primarily in Window Blind Mechanisms. Top assignees: Hunter Douglas Industries B.v., Hunter Douglas International N.v.. Active years: 2000-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Konrad Welfonder. Retrieved from https://idiyas.com/inventor/konrad-welfonder

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

Calculating rank

% Patents Active = 85.0

 

Average Co-Inventor Count = 1.1

ph-index = 9

Forward Citations = 299(Granted Patents)


Company Filing History:


Years Active: 2000-2009

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Areas of Expertise:
Vertical Blind Vane
Cord Tensioner
Winding Mechanism
Drive Mechanism
End Cap
Mounting Support
Carrier Assembly
Spacer Assembly
Locking Device
Fabric Blind
Holder
Corner Assembly
20 patents (USPTO):Explore Patents

Title: The Innovative Mind of Konrad Welfonder

Introduction

Konrad Welfonder, located in Bremerhaven, Germany, is a prominent inventor with an impressive portfolio of 20 patents. His work primarily focuses on advancements in vertical blind technologies, showcasing his commitment to enhancing architectural design and functionality through innovation.

Latest Patents

Among his recent contributions to the field are two significant patents. The first, titled "Spindle-type holder for a vertical blind vane," describes a vertically adjustable holder that connects a carrier in a control system for a vertical vane covering. This innovative design features two component parts that can rotate relative to each other, enabling users to adjust the length of the holder and control the spacing between the carrier and the suspended vane effectively.

The second patent, "Ratchet-type holder for a vertical blind vane," presents a solution for interconnecting a carrier with a suspended vane. It consists of first and second parts with horizontally oriented engagement portions, allowing for vertical adjustments between several positions. This innovation enhances the versatility in spacing between the suspended vane and its associated carrier, further improving usability in architectural applications.

Career Highlights

Konrad has made significant strides in his career, having worked with reputable companies such as Hunter Douglas Industries B.V. and Hunter Douglas International N.V. His experiences in these organizations have not only honed his skills as an inventor but have also allowed him to contribute to the evolution of products that improve architectural design.

Collaborations

Throughout his career, Konrad has collaborated with other talented professionals, including Jorg Bohlen and Lars Koop. These partnerships have facilitated the exchange of ideas and fostered an environment that embraces creativity and innovation.

Conclusion

In summary, Konrad Welfonder’s inventive spirit and dedication to creating functional solutions for vertical blind systems reflect his significant contributions to the field. His patents continue to shape the industry, demonstrating the importance of innovation in enhancing the functionality and aesthetics of architectural designs.

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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