Ann Arbor, MI, United States of America

Douglas Robert Hennigar

This inventor holds 9 USPTO granted patents. Top assignees: Nustep, Inc., Beep-It Corporation. Active years: 1998-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas Robert Hennigar. Retrieved from https://idiyas.com/inventor/douglas-robert-hennigar

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 = 4.0

ph-index = 5

Forward Citations = 233(Granted Patents)


Company Filing History:


Years Active: 1998-2021

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9 patents (USPTO):Explore Patents

Title: Innovations of Douglas Robert Hennigar

Introduction

Douglas Robert Hennigar is an accomplished inventor based in Ann Arbor, MI (US). He holds a total of nine patents, showcasing his contributions to the field of exercise equipment and fitness technology. His innovative designs focus on enhancing user experience and functionality in physical exercise devices.

Latest Patents

One of Hennigar's latest patents is a locking device for a recumbent stepper. This device includes a locking member that can move between two positions. In the first position, the locking member does not engage with the resistance mechanism, allowing movement of the assembly. In the second position, it engages with the resistance mechanism, preventing movement. Another significant patent is for an instrumented total body recumbent cross trainer system. This device features foot pedals and arms that provide a stepper-like motion for users while seated. It includes a pedal and arm lock mechanism, as well as computational units for data acquisition and signal recording.

Career Highlights

Hennigar has worked with notable companies such as Nustep, Inc. and Beep-it Corporation. His experience in these organizations has contributed to his expertise in developing innovative exercise solutions.

Collaborations

Some of his coworkers include Matthew Paul Weber and Neil M. Cole. Their collaboration has likely fostered a creative environment that encourages innovation in fitness technology.

Conclusion

Douglas Robert Hennigar's contributions to exercise equipment through his patents reflect his dedication to improving fitness solutions. His work continues to influence the industry and enhance user experiences in physical exercise.

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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