Eberstadt, Germany

Martin Engelhardt

This inventor holds 1 USPTO granted patent. Top assignee: Itt Manufacturing Enterprises, Inc.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Martin Engelhardt. Retrieved from https://idiyas.com/inventor/martin-engelhardt-prjnpzgk

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 = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Martin Engelhardt and His Patent for a Spring-Tongue Switch

Introduction

Martin Engelhardt is an inventor associated with Eberstadt, Germany. His recorded patent concerns a switch that uses moving contact makers shaped as spring tongues.

Latest Patents

Engelhardt is credited with 1 patent: “Switch with Moving Contact Makers in the Form of Spring Tongues.” The invention describes a switch design in which spring tongues serve as moving electrical contacts.

Career Highlights

The available information associates Engelhardt with Itt Manufacturing Enterprises, Inc. His recorded patent reflects his contribution to switch technology.

Collaborations

Engelhardt’s listed coworkers include Rudolf Klein and Walter Hecht. The available details do not specify their roles in the patent or their working relationship with him.

Conclusion

Martin Engelhardt’s recorded invention is a spring-tongue switch, documenting his contribution to electrical switching technology.

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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