North Harrow, United Kingdom

Karel L Petrak

This inventor holds 4 USPTO granted patents. Top assignee: Eastman-Kodak Company. Active years: 1980-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karel L Petrak. Retrieved from https://idiyas.com/inventor/karel-l-petrak

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 = 1.6

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • North Harrow, GB (1980 - 1982)
  • Middlesex, GB (1988)

Company Filing History:


Years Active: 1980-1988

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Karel L. Petrak

Introduction

Karel L. Petrak, an inventive mind based in North Harrow, Great Britain, has made significant strides in the field of electrochemistry and polymer science. With a portfolio that includes four patents, Karel's work has paved the way for advancements in ion detection and photographic technology.

Latest Patents

Among his latest patents, Karel developed an ion-sensitive electrochemical sensor that includes an electrode body with a polymeric membrane. This advanced sensor is designed to determine ion concentration in solutions by measuring the potential of the electrode when in contact with the test solution. Additionally, he developed a photographic element containing a novel polymer that utilizes metal ions, which is particularly useful in diffusion transfer processes, enhancing the quality and capabilities of photographic images.

Career Highlights

Karel's career includes a substantial tenure at Eastman Kodak Company, where he applied his expertise to innovate and refine products in the realm of imaging. His four patents exemplify his commitment to pushing the boundaries of technology, specifically in the areas of sensors and photographic elements.

Collaborations

Throughout his career, Karel has collaborated with notable colleagues such as Malcolm D. Purbrick and Derek A. Thomason. These partnerships have been instrumental in advancing his research and broadening the impact of his inventions in various applications.

Conclusion

Karel L. Petrak stands out as a prominent inventor whose contributions to the fields of electrochemistry and polymer science have the potential to influence both scientific research and practical applications. His patents not only reflect his ingenuity but also resonate with the evolving needs of technology and industry.

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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