Johannesburg, South Africa

Robert James Holdcroft

This inventor holds 2 USPTO granted patents. Top assignees: Ael Mining Services Limited, African Explosives Limited. Active years: 2011-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert James Holdcroft. Retrieved from https://idiyas.com/inventor/robert-james-holdcroft

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2011-2013

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2 patents (USPTO):Explore Patents

Title: The Innovative Mind of Robert James Holdcroft

Introduction

Robert James Holdcroft is a notable inventor based in Johannesburg, South Africa. He has made significant contributions to the field of mining through his innovative patents. With a total of 2 patents, Holdcroft's work focuses on enhancing safety and efficiency in mining operations.

Latest Patents

One of Holdcroft's latest patents is a mining method that involves an open cast mining technique. This method includes sinking a blasting borehole to receive an explosive charge into the ground body designated for mining. The process begins with taking initial measurements of various borehole conditions, including temperature within the borehole. The borehole is only loaded with a base explosive charge if these measurements fall within predefined limits, ensuring that there is no risk of uncontrolled detonation. Furthermore, the borehole conditions are continuously monitored after loading the explosive charge, with an alarm signal activated if any conditions deviate from the safe limits.

Career Highlights

Throughout his career, Robert James Holdcroft has worked with prominent companies in the mining sector. Notably, he has been associated with African Explosives Limited and Ael Mining Services Limited. His experience in these organizations has contributed to his expertise in developing innovative mining solutions.

Collaborations

Holdcroft has collaborated with several professionals in the industry, including Neville Robert Marillier and Pieter Etienne Dreyer. These collaborations have likely enriched his work and led to advancements in mining technology.

Conclusion

Robert James Holdcroft stands out as an influential inventor in the mining industry. His innovative patents and career achievements reflect his commitment to improving safety and efficiency in mining operations. His contributions continue to impact the field positively.

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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