Donald Ivan Hirsch

Title: Innovations by Donald Ivan Hirsch

Introduction

Donald Ivan Hirsch is a notable inventor based in Cottage Grove, MN (US). He has made significant contributions to the field of technology, particularly in the area of polymer electrolyte membrane fuel cells. With a total of 5 patents to his name, Hirsch has demonstrated a commitment to advancing innovative solutions in his field.

Latest Patents

Hirsch's latest patents focus on lamination apparatus and methods for the manufacture of polymer electrolyte membrane fuel cells. These patents provide components and automatable methods for their manufacture through rotary die cutting and lamination of various layers to form membrane electrode assemblies. The method and apparatus he developed involve die-cutting webs of catalyst decal materials or electrode materials to create workpieces at rotary die stations. The die-cut workpieces are held by sub-ambient air pressure to an endless perforated belt of vacuum conveyors, allowing for efficient transportation to a laminating station. This innovative approach enables the concurrent feeding of workpieces into the laminating nip adjacent to the membrane, resulting in effective lamination.

Career Highlights

Hirsch is associated with 3M Innovative Properties Company, where he has been able to apply his expertise in developing cutting-edge technologies. His work has contributed to the advancement of manufacturing processes in the energy sector, particularly in fuel cell technology.

Collaborations

Throughout his career, Hirsch has collaborated with notable colleagues, including Scott Alan Ripley and William Frederic Bader. These collaborations have further enhanced the innovative projects he has been involved in.

Conclusion

Donald Ivan Hirsch's contributions to the field of polymer electrolyte membrane fuel cells exemplify his dedication to innovation and technology. His patents and work at 3M Innovative Properties Company highlight his role as a significant inventor in the industry.