Stuttgart, Germany

Helmut Moeder

This inventor holds 1 USPTO granted patent. Top assignee: Robert Bosch. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Helmut Moeder. Retrieved from https://idiyas.com/inventor/helmut-moeder

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 = 2.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: Helmut Moeder and Electric Motor Speed Control

Introduction

Helmut Moeder is an inventor associated with Stuttgart, Germany, and Robert Bosch. His work includes an invention for regulating the speed of a series-wound electric motor.

Latest Patents

Moeder is credited with 1 patent: “Series-wound electric motor and control system for governing the speed.” The patent describes placing a triac or thyristor in series with the armature winding and one of the field coils. Control voltages and a reference voltage are tapped from points in the motor, and suitable circuitry switches current in the armature winding while allowing current to continue through the field coils. This approach enables accurate speed regulation within a permitted operating range while aiming to preserve efficiency comparable to that of an unregulated series-wound motor.

Career Highlights

Moeder’s listed company affiliation is Robert Bosch. His patent reflects an engineering focus on motor control, speed regulation, and efficient operation.

Collaborations

Guenter Schirmer is identified as Moeder’s coworker.

Conclusion

Helmut Moeder’s patent documents a motor-control approach designed to regulate speed while maintaining the efficiency of a series-wound electric motor.

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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