Leftwich, United Kingdom

Elizabeth J Jumeau

This inventor holds 2 USPTO granted patents. Top assignee: Vg Instruments Group Limited. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Elizabeth J Jumeau. Retrieved from https://idiyas.com/inventor/elizabeth-j-jumeau

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 = 5.5

ph-index = 2

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 1989-1990

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2 patents (USPTO):Explore Patents

Title: Celebrating the Innovations of Elizabeth J Jumeau

Introduction: Elizabeth J Jumeau is an esteemed inventor based in Leftwich, GB, known for her groundbreaking contributions to the field of mass spectrometry. With two patents to her name, she has made significant strides in the determination of isotopic composition, showcasing her expertise and dedication to advancing scientific research.

Latest Patents: Jumeau's latest patents include innovative methods and apparatus for the mass spectrometric determination of isotopic composition. The first patent introduces a method where an element in a sample is converted to an analysis gas by a gas chromatograph and admitted into the mass spectrometer in a specific time interval. This strategic timing minimizes interference during the analysis, resulting in more accurate measurements. The second patent also addresses similar methods by simultaneously passing first and second flows of carrier gas into the mass spectrometer, allowing for precise isolation of signals from analysis gas and reference gas samples. Both inventions exemplify her commitment to enhancing analytical techniques in gas chromatography and mass spectrometry.

Career Highlights: Throughout her career at Vg Instruments Group Limited, Elizabeth J Jumeau has been instrumental in developing state-of-the-art technologies for chemical analysis. Her expertise in isotopic analysis has garnered recognition among peers and has important implications for various scientific fields, including environmental studies and biomedical research.

Collaborations: In her endeavors, Jumeau has collaborated with talented professionals such as Keith Hall and Philip A Freedman. These partnerships have been pivotal in advancing her research and expanding the impact of her inventions.

Conclusion: Elizabeth J Jumeau stands out as a notable inventor whose work in isotopic composition determination has revolutionized techniques in mass spectrometry. Her innovative approaches have not only established her reputation in the scientific community but have also paved the way for future advancements in analytical chemistry.

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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