Leutenbach, Germany

Manfred Bortfeld

This inventor holds 2 USPTO granted patents. Top assignees: Andreas Stihl, Other. Active years: 1985-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Manfred Bortfeld. Retrieved from https://idiyas.com/inventor/manfred-bortfeld-anho2699

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 = 3.0

ph-index = 2

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1985-1987

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2 patents (USPTO):Explore Patents

Title: Manfred Bortfeld: Innovator in Power-Driven Tools

Introduction

Manfred Bortfeld is a notable inventor based in Leutenbach, Germany. He has made significant contributions to the field of power-driven tools, particularly in enhancing safety and functionality. With a total of 2 patents, Bortfeld's innovations reflect his commitment to improving user experience and safety in tool operation.

Latest Patents

Bortfeld's latest patents include a chain saw featuring a braking arrangement. This innovative design allows the chain saw to develop a reaction moment that opposes the kickback moment, thereby reducing the angle of deflection during kickback. Additionally, the compact configuration of the motor housing ensures that the braking arrangement remains free of dirt and chips. Another significant patent is a safety arrangement for a hand-held, power-driven portable tool. This safety mechanism requires the operator to engage both handles of the tool to activate the motor, enhancing safety during operation.

Career Highlights

Throughout his career, Bortfeld has worked with renowned companies, including Andreas Stihl. His experience in the industry has allowed him to develop practical solutions that address common challenges faced by users of power-driven tools.

Collaborations

Bortfeld has collaborated with notable colleagues such as Eberhard Schieber and Gunter Dietzsch. Their combined expertise has contributed to the advancement of safety features in power tools.

Conclusion

Manfred Bortfeld's contributions to the field of power-driven tools exemplify his dedication to innovation and safety. His patents not only enhance the functionality of tools but also prioritize user safety, making a lasting impact in the industry.

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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