Transvaal, South Africa

Donald R Macrae

This inventor holds 1 USPTO granted patent. Top assignee: Elektro-Thermit Gmbh. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald R Macrae. Retrieved from https://idiyas.com/inventor/donald-r-macrae-t60asp2q

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 = 2.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: The Innovations of Donald R Macrae

Introduction

Donald R Macrae is a notable inventor based in Transvaal, South Africa. He has made significant contributions to the field of welding, particularly in the railway industry. His innovative approach has led to the development of a unique process that enhances the efficiency and effectiveness of welding railway rails.

Latest Patents

Donald R Macrae holds a patent for a process related to welding railway rails. This patent, which is titled "Aluminothermic heating blocks for use in heating metal objects, such as rails, and methods for their manufacture," outlines a method for creating aluminothermic heating blocks. These blocks are produced by combining a mass of particulate aluminum, iron oxide, heat-absorbing material, alkali metal silicate binder, and water. This invention is crucial for improving the welding process in the railway sector.

Career Highlights

Throughout his career, Donald R Macrae has been associated with Elektro-Thermit GmbH, a company that specializes in welding technology. His work has focused on developing innovative solutions that address the challenges faced in metal welding, particularly in the context of railway infrastructure.

Collaborations

Donald R Macrae has collaborated with Johannes Guntermann, a fellow professional in the field. Their partnership has contributed to advancements in welding techniques and technologies.

Conclusion

Donald R Macrae's contributions to the field of welding, particularly through his patented process for aluminothermic heating blocks, demonstrate his commitment to innovation in the railway industry. His work continues to influence the methods used in metal welding today.

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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