Sheboygan, WI, United States of America

Robert S Frank

This inventor holds 1 USPTO granted patent. Top assignee: Plymouth Products, Inc.. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert S Frank. Retrieved from https://idiyas.com/inventor/robert-s-frank-5k1yvrue

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 = 2.0

ph-index = 1

Forward Citations = 74(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Robert S. Frank

Introduction

Robert S. Frank is an accomplished inventor based in Sheboygan, Wisconsin. He is known for his innovative contributions to the field of filtration technology. With a focus on practical solutions, Frank has developed inventions that address everyday challenges.

Latest Patents

One of his notable patents is for a demountable filter designed for a bottle or similar container. This small filter cartridge is specifically adapted to attach to the neck of a conventional plastic soft drink bottle. It effectively filters contaminated water contained in the bottle by allowing the water to pass through the filter as it is discharged. The design incorporates flexible bottle walls that can be squeezed to pressurize the water, facilitating flow through the filter element. Additionally, the filter features a uniquely positioned check valve that enables pressure equalization within the bottle in a simple and efficient manner. This innovative approach allows for both internal and external mounting of the filter element.

Career Highlights

Robert S. Frank is currently associated with Plymouth Products, Inc., where he continues to develop and refine his inventions. His work has significantly contributed to advancements in water filtration technology.

Collaborations

Frank collaborates with Gary L. Hatch, leveraging their combined expertise to enhance product development and innovation.

Conclusion

Robert S. Frank's inventive spirit and practical solutions have made a lasting impact in the field of filtration technology. His work exemplifies the importance of innovation in addressing real-world problems.

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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