Phillips, WI, United States of America

Carl R Marschke

This inventor holds 76 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Corrugated Paperboard Technology (CPC class 1564). Top assignees: Marquip, LLC, Converex, Inc., Marguip, Inc.. Active years: 1978-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Carl R Marschke. Retrieved from https://idiyas.com/inventor/carl-r-marschke

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

USPTO Granted Patents = 76 

% Patents Active = 90.8


Average Co-Inventor Count = 1.3

ph-index = 15

Forward Citations = 739(Granted Patents)

Forward Citations (Not Self Cited) = 698(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 1978-2014

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Areas of Expertise:
Waterproof Paperboard
Hollow Core Construction
Single Facer
Corrugating Rolls
Vacuum Distribution
Ink Supply
Heating Module
Web Holddown
Double Backer
Sheet Material
Composite Web
76 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Carl R. Marschke in Waterproof Corrugated Paperboard Technologies

Introduction: Carl R. Marschke, a prolific inventor based in Phillips, Wisconsin, has made significant strides in the field of packaging materials, particularly in the development of waterproof structural corrugated paperboard. With an impressive portfolio of 76 patents to his name, Marschke's work has greatly influenced the industry and contributed to advancements in material science.

Latest Patents: Among his notable inventions are two patents for an apparatus and method for producing waterproof structural corrugated paperboard. The first patent describes a process where two paper webs are saturated with A-phase phenolic resins and dried to a B-phase. These webs are then conveyed through separate low melting point metal alloy baths, one after being corrugated, to convert the resin into a fully cured C-phase. The final result is the joining of these webs to create a waterproof single face corrugated web. The second patent utilizes a similar method, using B-phase phenolic resin, where the two paper webs, after being corrugated, pass through the baths, resulting in a structurally rigid waterproof single face corrugated web.

Career Highlights: Marschke has had a dynamic career marked by his innovative approaches to packaging solutions. His tenure with Marquip, LLC, among other companies, has highlighted his ability to integrate advanced materials and manufacturing techniques to solve real-world challenges in the packaging industry.

Collaborations: Throughout his career, Marschke has worked alongside significant figures in the field, including Harold D. Welch and James A. Cummings. These collaborations have fostered an environment of creativity and innovation, further driving the evolution of packaging technologies.

Conclusion: Carl R. Marschke's contributions to the industry are a testament to his ingenuity and dedication to advancing packaging solutions. His latest patents underscore the importance of waterproof structural corrugated paperboard, setting new standards for durability and efficiency in the field. As innovation continues to shape the future, Marschke's work will undoubtedly leave a lasting impact.

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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