Location History:
- Bismarck, ND (US) (1989)
- Morristown, NJ (US) (2005)
- Ephrata, PA (US) (1985 - 2010)
Company Filing History:
2 out of 2 
18 out of 832,880 Years Active: 1985-2010
Title: Harold M. Zimmerman: Innovating Asphalt Production
Introduction: Harold M. Zimmerman, an inventive force located in Ephrata, PA, has made significant contributions to the field of asphalt production. With a remarkable portfolio of 20 patents, Zimmerman has demonstrated a consistent commitment to innovation and efficiency in construction technologies.
Latest Patents: One of his latest inventions is the mobile asphalt production machine. This innovative device allows for the mixing of bituminous concrete directly at the job site using a cutting-edge mixing auger mechanism housed in an insulated container. Propane burners are employed to generate heat within both the mixing auger and the housing, supporting the production of hot-mix bituminous concrete in various batch sizes. The machine features multiple bins for storing components of the asphalt mixture, providing a continuous supply on-site. Hot liquid bitumen is carefully added to warmed aggregates during the mixing process, with the option to integrate recycled asphalt through a dedicated port. The system also includes advanced controls that allow for precise variation in the flow rate of each component, facilitating customized recipes while ensuring optimal performance.
Career Highlights: Throughout his career, Harold M. Zimmerman has worked with several companies, including Zimmerman Industries, Inc. His expertise in asphalt technology has positioned him as a leader in innovation within the industry.
Collaborations: Notably, he has collaborated with Keith L. Offenhauer, enhancing the development of revolutionary solutions in asphalt production. Their teamwork has contributed significantly to advancements in the technology and efficiency of the construction process.
Conclusion: Harold M. Zimmerman’s continued dedication to innovation has established him as an important figure in the asphalt industry. With his extensive patent portfolio and collaborative spirit, he is well-equipped to address the evolving challenges in construction technology, ensuring that his impact is felt for years to come.