Location History:
- Germantown, TN (US) (1980)
- Liverpool, NY (US) (1983)
Company Filing History:
Years Active: 1980-1983
Title: Innovations of Nelson R Gratzer
Introduction
Nelson R Gratzer is a notable inventor based in Germantown, TN (US). He has made significant contributions to the field of engineering, particularly in the development of methods and apparatuses that enhance manufacturing processes. With a total of two patents to his name, Gratzer's work reflects a commitment to innovation and practical solutions.
Latest Patents
Gratzer's latest patents include a "Method for Expanding Tubular Blanks" and a "Refrigerant Accumulator and Method of Manufacture Thereof." The first patent describes a method and apparatus for expanding a tubular workpiece. This process involves mounting the workpiece in a lower die, filling it with fluid, and engaging the upper portion with an upper die. The upper die is then moved downwardly to compress the workpiece physically. Additionally, the dies are designed to create an internal pressure cavity, allowing for further displacement of the upper die to force the workpiece into the desired configuration. The second patent details an accumulator used in a refrigerant circuit. It features a tube with inlet and discharge openings, and a cylindrical shell formed by metal spinning against the tube's exterior. This design includes a diverter to prevent direct flow through the tube, ensuring efficient operation.
Career Highlights
Gratzer is currently employed at Carrier Corporation, a leading company in the HVAC industry. His role involves applying his innovative ideas to improve product designs and manufacturing techniques. His work has contributed to the advancement of technologies that enhance energy efficiency and performance in heating and cooling systems.
Collaborations
Gratzer collaborates with various professionals in his field, including his coworker William E Wright. Together, they work on projects that aim to push the boundaries of engineering and manufacturing.
Conclusion
Nelson R Gratzer's contributions to innovation and engineering are evident through his patents and work at Carrier Corporation. His dedication to developing practical solutions continues to impact the industry positively.