St. Charles, IL, United States of America

John T Clarke

This inventor holds 19 USPTO granted patents, plus 2 CIPO patents, primarily in Composite Materials. Top assignee: Masonite Corporation. Active years: 1977-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John T Clarke. Retrieved from https://idiyas.com/inventor/john-t-clarke-kxvkv2v4

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 = 3.2

ph-index = 10

Forward Citations = 432(Granted Patents)


Company Filing History:


Years Active: 1977-1998

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Areas of Expertise:
Fiberboard
Composite Structure
Molding Techniques
High Density Skins
Low Density Core
Contoured Furniture
Mineral Wool
Post-Press Embossing
Strand Board
19 patents (USPTO):Explore Patents

Title: **John T. Clarke: Innovator in Oriented Strand Board Technology**

Introduction

John T. Clarke is a prominent inventor based in St. Charles, IL, who has made significant contributions to the field of composite materials, particularly in the development of oriented strand board (OSB) technology. With a remarkable portfolio of 19 patents, Clarke's innovations have paved the way for advancements in the manufacturing of engineered wood products.

Latest Patents

Two of Clarke's latest patents focus on the development of a novel flat oriented strand board-fiberboard composite structure. The first patent describes a unique composite structure comprised of a baseboard with three wood strand layers. The wood strands are oriented strategically in relation to a board-forming machine. In this design, the core layer consists of strands that are oriented generally in a random direction, while the adjacent layers feature coarse and fine wood strands aligned predominantly in the machine direction. A key aspect of this invention is the specification that the coarsest strands are positioned closest to the core layer, with finer strands nearer to the outer surfaces. This structure is engineered to be free from warping, achieved through specific thicknesses of the OSB layers. The second patent builds upon this innovation by outlining an OSB product that incorporates a dry felted wood fiber overlay on one surface, further enhancing its performance and aesthetic qualities.

Career Highlights

John T. Clarke has established a commendable career at Masonite Corporation, where he has utilized his expertise in materials science to lead innovative projects in engineered wood products. His extensive knowledge and experience have not only contributed to the company's success but have also positively impacted the broader industry.

Collaborations

Throughout his career, Clarke has collaborated with notable coworkers such as Allan J. Luck and Michael R. Hoffman. These partnerships highlight a team-oriented approach to innovation, fostering an environment that encourages creative solutions and the development of cutting-edge technologies.

Conclusion

In conclusion, John T. Clarke's contributions to the field of oriented strand board technology demonstrate his commitment to innovation and excellence. With a strong patent portfolio and a collaborative spirit, Clarke continues to influence the industry, paving the way for future advancements in composite materials.

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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