Company Filing History:
9 out of 9 
2 out of 3 
1 out of 1 Years Active: 1986-1994
Title: The Innovations of Howard R Harker
Introduction
Howard R Harker is a notable inventor based in Malvern, PA (US), recognized for his contributions to the field of metal casting and refining. With a total of 12 patents to his name, Harker has made significant advancements in the technology surrounding vacuum casting and electron beam furnaces.
Latest Patents
Harker's latest patents include innovative methods for static vacuum casting of ingots. In this process, metal is melted in a hearth and directed through an outlet to mold segments on a rotatable drum. An energy beam from an electron or plasma gun is used to control the solidification of the ingot, ensuring a smooth surface. Another notable patent is for an intermediate pressure electron beam furnace, which maintains a specific pressure range to enhance the refining process. This technology reduces degassing time and condenses volatilized metal into powder form, improving efficiency in metal processing.
Career Highlights
Throughout his career, Harker has worked with several companies, including Axel Johnson Metals, Inc. and A. Johnson Metals Corporation. His work has focused on improving metal casting techniques and refining processes, contributing to advancements in the industry.
Collaborations
Harker has collaborated with notable professionals in his field, including Charles H Entrekin and Carlos E Aguirre. These collaborations have furthered his research and development efforts, leading to innovative solutions in metal processing.
Conclusion
Howard R Harker's contributions to the field of metal casting and refining are significant, with a focus on innovative technologies that enhance efficiency and quality. His work continues to influence the industry and inspire future advancements.