Roseville, MN, United States of America

Karl N Ketter

This inventor holds 1 USPTO granted patent. Top assignee: Fitness Master, Inc.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl N Ketter. Retrieved from https://idiyas.com/inventor/karl-n-ketter

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 = 3.0

ph-index = 1

Forward Citations = 60(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: **Innovator Spotlight: Karl N. Ketter**

Introduction

Karl N. Ketter, an inventive mind from Roseville, Minnesota, has made significant contributions to the fitness industry through his innovative design of an exercise machine. His patented invention enhances the functionality and safety of aerobic conditioning, catering to fitness enthusiasts and professionals alike.

Latest Patents

Ketter holds a patent for an improved adjustable exercise machine. This exercise device features a unique frame assembly consisting of two elongate parallel rails made of extruded aluminum. Each rail is designed with sidewalls that contain elongate grooves, creating sidewall tracks, alongside a bottom track that allows for secure and smooth movement of foot skates equipped with rollers. The design also includes arm pole mechanisms that adjust in relation to the frame, thereby providing a customizable workout experience for users.

Career Highlights

Throughout his career, Karl Ketter has been associated with Fitness Master, Inc., where he has played a pivotal role in developing innovative fitness solutions. His expertise in designing exercise equipment has contributed to advancing the standards of ergonomics and safety in the fitness domain.

Collaborations

Ketter has collaborated with notable coworkers in the industry, including Gary R. Haaheim and Paul M. Theisen. Their combined efforts have further fueled innovations at Fitness Master, Inc., showcasing the importance of teamwork in the field of invention.

Conclusion

Karl N. Ketter stands out as a dedicated inventor whose innovative spirit has redefined aspects of the fitness industry. His commitment to improving exercise equipment not only enhances user experience but also aligns with the ongoing pursuit of safety and comfort in workout regimens.

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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