Livermore, CA, United States of America

John W Vorpahl

This inventor holds 5 USPTO granted patents. Top assignees: Syntex (u.s.a.) Inc., Dade Behring Marburg Gmbh. Active years: 1990-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John W Vorpahl. Retrieved from https://idiyas.com/inventor/john-w-vorpahl

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 = 1.7

ph-index = 5

Forward Citations = 265(Granted Patents)


Company Filing History:


Years Active: 1990-1998

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5 patents (USPTO):Explore Patents

Title: Celebrating the Innovations of John W. Vorpahl

Introduction: John W. Vorpahl, an esteemed inventor based in Livermore, California, has made significant contributions to the field of separation technologies. With a total of five patents to his name, he has demonstrated remarkable ingenuity in developing methods that enhance efficiency and accuracy in various applications.

Latest Patents: Vorpahl's latest invention, titled "Method of separation employing magnetic particles and second medium," presents a novel technique for isolating a component of interest from a mixture containing various elements. This method involves the strategic interaction between a first liquid medium, which houses the component of interest, and a second liquid medium that differs in density and/or viscosity. By minimizing the mixing of these two media and utilizing a magnetic field gradient, Vorpahl’s approach enables the magnetic particles to migrate into the second liquid medium, effectively separating the desired component. Additionally, this patent outlines the development of assays and kits that facilitate the implementation of this method, providing further utility in research and industry.

Career Highlights: Vorpahl's professional journey includes influential roles at notable companies such as Syntex Inc. and Dade Behring Marburg GmbH. His work has continuously pushed the boundaries of scientific understanding and practical applications, helping to generate solutions that are integral to various fields.

Collaborations: Throughout his career, Vorpahl has collaborated with esteemed colleagues, including Richard P. Watts and Wylie I. Lee. These partnerships have not only enriched his research endeavors but have also contributed to advancing innovation within their shared fields.

Conclusion: John W. Vorpahl stands out as a significant figure in the arena of inventions, particularly in the realm of separation technology. His commitment to innovation and collaboration has led to substantial advancements, marking him as a notable inventor whose work will continue to impact various industries. As he moves forward, the scientific community eagerly anticipates his future contributions and the potential applications of his inventions.

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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