This inventor holds 4 USPTO granted patents. Top assignees: Cm Systems, LLC, Crankshaft Machine Company, Crankshaft Machine. Active years: 1976-1988.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Freeland, MI (US) (1976 - 1978)
- Midland, MI (US) (1988)
Company Filing History:
4 out of 10 
2 out of 6 
1 out of 1 Years Active: 1976-1988
Title: Innovations by Allan J Heffron
Introduction
Allan J Heffron is a notable inventor based in Freeland, Michigan, who has made significant contributions to the field of machining technology. With a total of four patents to his name, Heffron has developed innovative solutions that enhance the efficiency and effectiveness of machining processes.
Latest Patents
One of Heffron's latest patents is the Monotonic Cutting Machine. This apparatus is designed for machining workpieces such as crankshafts, offering a superior combination of low initial and rebuilding costs, high flexibility in tool changeover, and minimal floor space and noise levels. The machine allows for the combining of several operations in a single step while optimizing cutting speeds and tool feeds. The design includes a lathe bed for mounting the crankshaft, which rotates at variable speeds, and an arbor that is parallel to the workpiece's axis of rotation. The cutter disk, fixedly mounted to the arbor, features multiple cutting tools arranged in a stepwise fashion, allowing for efficient machining of the workpiece.
Another significant patent is the Method and Apparatus for Machining Crankshafts. This invention focuses on the machining of crankshaft bearing and cheek surfaces using tungsten carbide tools for dry-cutting operations and high-speed steel tools for bearing surfaces. The sequential turning operations are performed rapidly, with the tools mounted on a common carrier that shifts between two positions, enhancing the efficiency of the machining process.
Career Highlights
Throughout his career, Allan J Heffron has worked with various companies, including Cm Systems, LLC and Crankshaft Machine Company. His experience in these organizations has contributed to his expertise in machining technologies and innovations.
Collaborations
Heffron has collaborated with notable individuals in the industry, including Arthur L Estry and William F Chalmers. These collaborations have likely influenced his work and contributed to the development of his patented technologies.
Conclusion
Allan J Heffron's contributions to machining technology through his innovative patents demonstrate his commitment to advancing the field. His work continues to impact the industry positively, showcasing the importance of innovation in engineering and manufacturing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile