Essen, Germany

Stefan Hackel

This inventor holds 1 USPTO granted patent. Top assignee: Robert Schroder Gmbh & Co.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Hackel. Retrieved from https://idiyas.com/inventor/stefan-hackel

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 = 15(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Stefan Hackel

Introduction

Stefan Hackel is a notable inventor based in Essen, Germany. He has made significant contributions to the field of tool design, particularly with his innovative screwing tool. His work exemplifies the spirit of innovation and practicality in modern engineering.

Latest Patents

Stefan Hackel holds a patent for a unique screwing tool that features a ratchet mechanism. This tool includes a handle, a tool holding fixture, and a ratchet that is equipped with a pivotally mounted ratchet element. The design incorporates several catch cams and two stop bolts that allow the handle to turn in both directions while providing a locking mechanism. This innovative design enhances the efficiency and usability of the tool, making it a valuable addition to any toolbox.

Career Highlights

Stefan Hackel is associated with Robert Schroder GmbH & Co., where he has been instrumental in developing new tools and technologies. His dedication to innovation has led to the creation of practical solutions that address everyday challenges faced by users of hand tools.

Collaborations

Stefan has worked alongside his coworker, Herbert Casel, contributing to the development of innovative tools and enhancing the capabilities of their team. Their collaboration has fostered an environment of creativity and technical advancement.

Conclusion

Stefan Hackel's contributions to tool design, particularly with his patented screwing tool, highlight his innovative spirit and commitment to improving user experience. His work continues to inspire future advancements in the field of engineering and tool design.

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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