John A MacDougall

Title: Innovations by John A. MacDougall

Introduction

John A. MacDougall is a notable inventor based in Pittsburgh, PA, who has made significant contributions to the field of furnace technology. With a total of 2 patents to his name, MacDougall's work focuses on improving the efficiency and functionality of furnace systems.

Latest Patents

MacDougall's latest patents include a "Conveying Screw for Furnace" and an improvement in "Furnacing." The conveying screw patent describes a countercurrent fluid-cooled conveying screw designed for furnace applications. This innovative screw features an outer shaft that spatially circumscribes an inner tube, with a series of hollow, fluid-cooled flights affixed to the outer shaft. These flights are in fluid flow communication with coolant that courses through the screw, first directed through the flights and then back through the outer shaft before exiting through the inner tube. The furnacing patent discloses an enhancement in furnacing objects on the top surface of an impervious rotating hearth in a directly fired rotary hearth furnace, utilizing fuel that burns with a luminous flame, such as coal.

Career Highlights

MacDougall is currently employed at the International Metals Reclamation Company, Inc., where he continues to innovate and develop new technologies in the field of metal reclamation and furnace operations. His work has been instrumental in advancing the efficiency of furnace systems.

Collaborations

Throughout his career, MacDougall has collaborated with notable colleagues, including John K. Pargeter and Francisco Olano, contributing to various projects and innovations in the industry.

Conclusion

John A. MacDougall's contributions to furnace technology through his patents and work at the International Metals Reclamation Company, Inc. highlight his role as a significant inventor in the field. His innovative approaches continue to influence the industry and improve furnace operations.