Madison, WI, United States of America

Andrew R Ralston

This inventor holds 1 USPTO granted patent. Top assignee: Johnson Service Company. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andrew R Ralston. Retrieved from https://idiyas.com/inventor/andrew-r-ralston

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 = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: The Innovations of Andrew R. Ralston

Introduction

Andrew R. Ralston is an accomplished inventor based in Madison, WI (US). He is known for his significant contributions to the field of humidity sensing technology. With a focus on innovative materials and designs, Ralston has developed a unique capacitance humidity sensor that showcases his expertise and creativity.

Latest Patents

Ralston holds a patent for a capacitance humidity sensor. This invention features a film core that is in contact with a pair of conductive layers bonded to opposite faces of the core. The core is made of a polyimide that has a dielectric constant which varies substantially linearly with humidity. Additionally, the polyimide includes at least one ether linkage in the dianhydride portion. It may also contain ether linkages in the diamine portion and/or fluorine atoms in either the diamine, dianhydride, or both portions. This innovative design enhances the sensor's performance and reliability.

Career Highlights

Andrew R. Ralston is currently employed at Johnson Service Company, where he continues to apply his knowledge and skills in developing advanced technologies. His work has contributed to the company's reputation for innovation and excellence in the industry.

Collaborations

Ralston has collaborated with notable colleagues, including Paul E. Thoma and Carl F. Klein. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Andrew R. Ralston's contributions to the field of humidity sensing technology exemplify his dedication to innovation. His patent for a capacitance humidity sensor highlights his ability to combine advanced materials with practical applications. Ralston's work continues to influence the industry and inspire future innovations.

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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