Bethel Park, PA, United States of America

David Hartwich

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignees: Harbisonwalker International Holdings, Inc., Harbisonwalker International, Inc.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Hartwich. Retrieved from https://idiyas.com/inventor/david-hartwich

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: David Hartwich: Innovator in Refractory Lining Design

Introduction

David Hartwich is an accomplished inventor based in Bethel Park, PA (US). He has made significant contributions to the field of refractory materials, particularly in the design and method of reclaiming refractory material from linings. His innovative approach has led to the development of a unique patent that enhances the efficiency of magnetic separation processes.

Latest Patents

David Hartwich holds a patent for a "Refractory lining design for magnetic separation." This invention involves a device and method for reclaiming refractory material from a lining. The process includes assembling a first refractory component with a first refractory product and a second refractory component with a different second refractory product that contains magnetic material. Once the lining reaches the end of its service life, it is demolished to create a mixture of component pieces. Magnetic separation is then performed to effectively separate the second refractory component pieces from the first.

Career Highlights

David is currently employed at Harbisonwalker International Holdings, Inc., where he continues to innovate in the field of refractory materials. His work focuses on improving the efficiency and effectiveness of refractory linings, which are crucial in various industrial applications.

Collaborations

David collaborates with his coworker, Joshua Sayre, to further enhance their research and development efforts in refractory technology.

Conclusion

David Hartwich's contributions to refractory lining design demonstrate his commitment to innovation and efficiency in material reclamation processes. His patent reflects a significant advancement in the field, showcasing his expertise and dedication to improving industrial practices.

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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