Location History:
- North Huntingdon, PA (US) (1984)
- North Huntingdon Township, Westmoreland County, PA (US) (1980 - 1987)
Company Filing History:
Years Active: 1980-1987
Title: Innovations of John L Howell
Introduction
John L Howell is a notable inventor based in North Huntingdon, PA (US). He has made significant contributions to the field of metallurgy and gas processing, holding a total of 4 patents. His work focuses on improving processes that enhance efficiency and reduce environmental impact.
Latest Patents
One of Howell's latest patents is titled "Desulfurizing of reducing gas stream using a recycle calcium oxide system." This innovative process involves contacting a sulfur-bearing hot reducing gas stream with a desulfurizing agent, which comprises a fixed bed of solid particles made of calcium oxide. The result is a low-sulfur content hot reducing gas stream and a calcium sulfide composition. The process further includes regenerating the calcium oxide and avoiding the formation of calcium sulfate during regeneration.
Another significant patent is the "Method of furnace operation with high pellet burdens." This method describes a technique for producing metals, such as iron, in a shaft furnace where over 80 percent of the ore is in pellet form. The improvement involves adding fine ore material adjacent to the furnace walls to reduce gas flow and protect the lining. This method enhances the efficiency of the furnace operation.
Career Highlights
John L Howell is associated with the United States Steel Corporation, where he applies his expertise in metallurgy and gas processing. His innovative approaches have contributed to advancements in the industry, particularly in the production of metals and the management of gas emissions.
Collaborations
Throughout his career, Howell has collaborated with notable colleagues, including Joseph E McGreal and Edward J Nemeth. These collaborations have fostered a productive environment for innovation and development within the company.
Conclusion
John L Howell's contributions to the field of metallurgy and gas processing are noteworthy. His patents reflect a commitment to innovation and efficiency, making a significant impact on the industry.