Company Filing History:
Years Active: 1977-1983
Title: The Innovative Contributions of David R Hazen
Introduction
David R Hazen is a notable inventor based in McMurray, PA, who has made significant contributions to the field of mining technology. With a total of four patents to his name, Hazen has developed innovative systems that enhance the efficiency and effectiveness of material handling in mining operations.
Latest Patents
Hazen's latest patents include the "Cascading Conveyor System" and the "Support System for a Unitized Pair of Auger Conveyors." The Cascading Conveyor System features a series of individual conveyor assemblies, each equipped with an independent endless belt conveyor. These assemblies are designed to operate in overlapping relationships, allowing for smooth material transfer as they navigate curved paths through mines. The system is supported by a beam secured to the mine roof, ensuring stability and efficiency in conveying mined materials.
The Support System for a Unitized Pair of Auger Conveyors is designed for auger mining systems that create cylindrical openings in the earth. This system includes side-by-side conveyors, each with a shaft and flight, which are supported by a skid extending to the bottom of the opening. This innovative design allows for effective material handling while maintaining structural integrity.
Career Highlights
Throughout his career, David R Hazen has worked with prominent companies such as Consolidation Coal Company and Continental Oil Company. His experience in these organizations has contributed to his expertise in mining technology and innovation.