Company Filing History:
1 out of 2 
1 out of 1 Years Active: 2020-2021
Title: The Innovative Contributions of Daniel Coenraad Pretorius
Introduction
Daniel Coenraad Pretorius is a notable inventor based in Fochville, South Africa. He has made significant contributions to the field of boring systems, holding a total of 2 patents. His work reflects a commitment to advancing technology in the mining and drilling industries.
Latest Patents
One of his latest patents is a "Shaft enlargement arrangement for a boring system." This invention comprises a hollow column located near the lower end of the boring system. A reamer section with a downwardly tapering first cutter head arrangement is rotatably fitted to the hollow column. A first drive is provided to rotate the first cutter head arrangement relative to the hollow column, allowing it to bore a hole with a diameter that corresponds substantially to that of the first cutter head arrangement. Additionally, a boring head arrangement is fitted to the lower end, which terminates in a downwardly tapering second cutter head arrangement. This design enables the boring system to create a leading or pilot hole with a smaller diameter as it proceeds downward.
Another patent by Pretorius also focuses on a "Shaft enlargement arrangement for a boring system." This version includes a hollow column near the lower end of the boring system and a first cutter head that is rotatably fitted to the hollow column. The first drive means allows for the rotation of the first cutter head, which bores a hole with a diameter that matches the cutter head. The boring head arrangement at the lower end of the column terminates in a second cutter head, facilitating the boring of a leading hole as the system advances downward.
Career Highlights
Throughout his career, Daniel Coenraad Pretorius has worked with several companies, including Master Sinkers (Pty) Ltd and Master Drilling South Africa (Pty) Ltd. His experience in these organizations has contributed to his expertise in the field of drilling technology.
Collaborations
Pretorius has collaborated with notable coworkers such as Barend Jacobus Jordaan and Nicolaas Bodenstein Goodwin. These partnerships have likely enriched his work and led to innovative solutions in the industry.
Conclusion
Daniel Coenraad Pretorius is a distinguished inventor whose contributions to boring systems have made a significant impact in the field. His patents demonstrate a deep understanding of drilling technology and a commitment to innovation.