This inventor holds 1 USPTO granted patent. Top assignee: Pennsylvania Crusher Corporation. Active years: 1991.
Company Filing History:
Years Active: 1991
Title: An Insight into the Innovations of John D. Duke, Jr.
Introduction
John D. Duke, Jr. is an accomplished inventor based in Collingdale, Pennsylvania. With a focus on engineering innovations, he has significantly contributed to the field with his patent for a unique comminutor design. His work prioritizes efficiency and effectiveness in material processing, especially in the coal industry.
Latest Patents
Duke holds a patent for the "Comminutor with impact, shear and screening sections." This invention showcases a reversible hammermill recognized for its breaker blocks or plates. It features adjustable cages equipped with distinct shearing and screening sections, including a shearing section that is unusually long, beginning above the 3 o'clock position. This design is particularly useful for reducing sub-bituminous coal and similar materials to finer particles while minimizing horsepower requirements and throughput penalties.
Career Highlights
Throughout his career, John D. Duke, Jr. has been associated with the Pennsylvania Crusher Corporation. His innovative spirit and dedication to enhancing material processing technologies have set him apart in the engineering field.
Collaborations
Duke collaborates closely with his colleague, Edward J. Barnabie. This partnership reflects a mutual commitment to advancing technologies that promote efficiency in coal processing and other related materials.
Conclusion
John D. Duke, Jr. exemplifies innovation in engineering through his significant contributions, particularly in the coal processing industry. His patent highlights his ability to address industry challenges, ensuring a future focused on efficiency and innovation. His work at Pennsylvania Crusher Corporation continues to inspire advancements within the field.