Mount Prospect, IL, United States of America

Karen R Tubergen

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignee: Nalco Chemical Company. Active years: 1993-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karen R Tubergen. Retrieved from https://idiyas.com/inventor/karen-r-tubergen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 141(Granted Patents)


Location History:

  • Mount Prospect, IL (US) (1995)
  • Mt. Prospect, IL (US) (1993 - 2001)

Company Filing History:


Years Active: 1993-2001

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10 patents (USPTO):Explore Patents

Title: Innovative Contributions of Karen R. Tubergen in Industrial Water Treatment

Introduction: Karen R. Tubergen, an accomplished inventor based in Mt. Prospect, IL, has made significant strides in the field of industrial water treatment. With a remarkable portfolio of 10 patents, her innovations offer solutions that address challenges associated with water quality and recycling processes in various industries.

Latest Patents: Among her latest patents is a groundbreaking method for utilizing an all solid-state fluorometer in industrial water system applications. This solid-state fluorometry instrument, powered by diode laser or LED excitation sources, is engineered for a wide range of applications. The device effectively monitors fluorescent tracers, making it especially suitable for continuous monitoring in industrial water sample streams. The innovative design includes a photodiode detector that captures fluorescence, providing real-time measurement of concentration levels of fluorescent tracers in water samples.

Another notable invention pertains to the treatment of ink-laden water recovered from paper recycling processes. This method employs a hydrophilic dispersion polymer made from a copolymer of diallyl N,N-disubstituted ammonium halide cationic monomer and (meth)acrylamide. The process, which utilizes a dissolved air flotation method for solid-liquid separation, efficiently forms flocs that encapsulate ink and impurities, thereby improving the quality of recycled water.

Career Highlights: Karen has spent her professional career at Nalco Chemical Company, where she has leveraged her expertise to develop innovative solutions for water treatment challenges. Her work has significantly impacted both industrial applications and environmental practices, showcasing her commitment to sustainability and technological advancement.

Collaborations: Throughout her career, Karen has collaborated with esteemed colleagues such as Daniel K. Chung and David R. Cosper. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and expertise that enhance their contributions to the field.

Conclusion: Karen R. Tubergen's inventive spirit and strategic thinking have led her to create influential technologies that are shaping the future of industrial water treatment. Her numerous patents reflect her dedication to addressing real-world challenges and improving processes in water management. As she continues to innovate, her impact on the industry will undoubtedly inspire future generations of inventors.

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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