Location History:
- Saint Paul, MN (US) (1984 - 1994)
- Forest Lake, MN (US) (1994)
Company Filing History:
4 out of 5 
1 out of 1 
1 out of 32 
Years Active: 1984-1994
Title: The Innovations of Frederick D. Heavey
Introduction
Frederick D. Heavey is a notable inventor based in Saint Paul, MN (US). He has made significant contributions to the field of power supply and battery charging technologies. With a total of 6 patents to his name, Heavey's work reflects a commitment to innovation and practical solutions.
Latest Patents
One of Heavey's latest patents is the "Co-inverter apparatus." This power supply apparatus includes a first and second apparatus for supplying power, along with a load monitoring apparatus that oversees a third power output. The load monitoring apparatus is designed to enhance efficiency by connecting to a switching apparatus that responds to the monitor output.
Another significant invention is the "Battery charging method and apparatus." This battery charger utilizes the gassing point of a lead-acid battery to determine the end of charge time and voltage. It features a charging level sensor that samples voltage over a predetermined period to assess the change in voltage rate. If the change exceeds a specific threshold, the batteries are considered to be gassing, prompting further charging for a set duration. This invention also includes a load management control function to ensure safe charging conditions.
Career Highlights
Throughout his career, Frederick D. Heavey has worked with various companies, including Dimensions Unlimited, Inc. and American Monarch Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Heavey has collaborated with notable individuals in his field, including Rudolph Engleman and Dennis L. Getter. These partnerships have likely fostered a creative environment that has led to the development of his patents.
Conclusion
Frederick D. Heavey's contributions to power supply and battery technology demonstrate his innovative spirit and dedication to improving existing systems. His patents reflect a deep understanding of electrical engineering and a commitment to advancing technology for practical applications.