North Olmsted, OH, United States of America

Philip S Sprague

This inventor holds 4 USPTO granted patents. Top assignee: C.a. Litzler Co., Inc.. Active years: 2000-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Philip S Sprague. Retrieved from https://idiyas.com/inventor/philip-s-sprague

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 = 1.2

ph-index = 2

Forward Citations = 38(Granted Patents)


Location History:

  • N. Olmstead, OH (US) (2000)
  • N. Olmsted, OH (US) (2001)
  • North Olmsted, OH (US) (2004)
  • North Ridgeville, OH (US) (2016)

Company Filing History:


Years Active: 2000-2016

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4 patents (USPTO):Explore Patents

Title: The Innovations of Philip S. Sprague

Introduction

Philip S. Sprague is a notable inventor based in North Olmsted, OH (US). He has made significant contributions to the field of engineering, particularly in the design of oxidation ovens. With a total of 4 patents to his name, Sprague's work has had a considerable impact on the production processes of carbon fibers.

Latest Patents

One of his latest patents is for an "End seal for oxidation oven." This invention includes an oven chamber with walls that define apertures for product entry and exit during treatment. A vestibule chamber is adjacent to the oven wall, enclosing a return air duct that draws in ambient air and process gas from the oven chamber. The design features a nozzle that directs the gas toward the apertures, creating an air curtain to enhance efficiency.

Another significant patent is the "Oxidation oven," which is specifically designed for producing carbon fibers from polyacrylonitrile precursor fibers. This oven features an oven chamber with openings for product treatment. It includes nozzles and diffusers that work together to induce a positive pressure airflow, ensuring safety by preventing the elution of dangerous gases during manufacturing.

Career Highlights

Philip S. Sprague is currently associated with C.A. Litzler Co., Inc., where he continues to innovate and develop advanced technologies in the field of oxidation ovens. His expertise and inventions have contributed to the efficiency and safety of carbon fiber production.

Collaborations

Throughout his career, Sprague has collaborated with notable colleagues, including James H. Rogers and Edward T. Albus. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Philip S. Sprague's contributions to the field of engineering, particularly in oxidation oven technology, demonstrate his innovative spirit and commitment to advancing manufacturing processes. His patents reflect a deep understanding of the complexities involved in carbon fiber production, making him a valuable figure in the 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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