Willich, Germany

Johann Dochnahl

This inventor holds 1 USPTO granted patent. Top assignee: Draftex Development A.g.. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johann Dochnahl. Retrieved from https://idiyas.com/inventor/johann-dochnahl

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 1

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Johann Dochnahl

Introduction

Johann Dochnahl is a notable inventor based in Willich, Germany. He has made significant contributions to the field of automotive design, particularly in the area of window glass retention and sealing. His innovative approach has led to the development of a unique patent that enhances the functionality and aesthetics of vehicle windshields.

Latest Patents

Johann Dochnahl holds a patent for "Arrangements for retaining and sealing window glass." This invention involves a sealing member designed to hold windshield glass securely in position on a vehicle. The sealing member features two parallel side-by-side channels, one of which fits over a flange around the opening, while the other grips the periphery of the window glass. A stiff metal retaining member, shaped generally like a channel, is removably fixed to the window surround using threaded bolts or pins and wedges, effectively holding the sealing member in place. To complete the design, a decorative beading is fixed to the retaining member, enhancing the overall appearance of the vehicle.

Career Highlights

Johann Dochnahl is associated with Draftex Development AG, where he has applied his expertise in automotive design and engineering. His work at Draftex Development AG has allowed him to focus on innovative solutions that improve vehicle safety and aesthetics. His patent reflects his commitment to advancing technology in the automotive industry.

Collaborations

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Conclusion

Johann Dochnahl's contributions to the field of automotive design through his innovative patent demonstrate his dedication to enhancing vehicle functionality and safety. His work continues to influence the industry and showcases the importance of innovation in automotive engineering.

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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