Ralph C Lumbra

Title: Ralph C. Lumbra: Innovator in Mining Technology

Introduction

Ralph C. Lumbra is a notable inventor based in Claremont, NH (US), recognized for his contributions to mining technology. He holds 2 patents that showcase his innovative approach to improving mining operations. His work has significantly impacted the efficiency and safety of underground mining processes.

Latest Patents

Lumbra's latest patents include the "Mine Roof Driller-Bolter Apparatus and Method" and the "Midpoint Centralizer." The Mine Roof Driller-Bolter is an advanced apparatus designed for bolting the roof of underground mines. It features a mobile frame, a boom, and a housing that supports a stinger and drilling mechanism. This invention allows for the efficient delivery of roof bolting anchoring media into drilled holes, enhancing the safety and stability of mine roofs. The Midpoint Centralizer is a method and apparatus that maintains the alignment of drill steel or drill rod in drilling machines. It utilizes an indicator ring to help operators adjust for misalignment, thereby reducing noise transmission and frictional losses.

Career Highlights

Ralph C. Lumbra has made significant strides in his career, working with Joy Manufacturing Company, a leader in mining equipment. His innovative designs and methods have contributed to the advancement of mining technology, making operations safer and more efficient.

Collaborations

Throughout his career, Lumbra has collaborated with notable coworkers such as Ward D. Morrison and George A. Hibbard. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the mining sector.

Conclusion

Ralph C. Lumbra's contributions to mining technology through his patents and collaborations have made a lasting impact on the industry. His innovative spirit continues to inspire advancements in mining safety and efficiency.