This inventor holds 5 USPTO granted patents. Top assignees: 3M Innovative Properties Company, Eastman-Kodak Company. Active years: 1984-2005.
Location History:
- Saint Paul, MN (US) (1984 - 1985)
- Maplewood, MN (US) (1993 - 2005)
Company Filing History:
3 out of 22,379 
2 out of 21,604 
Years Active: 1984-2005
Title: The Innovative Contributions of John A. Harrington
Introduction
John A. Harrington is a notable inventor based in Maplewood, MN (US). He has made significant contributions to the field of temperature control systems, holding a total of 5 patents. His work has been instrumental in developing technologies that enhance the efficiency and effectiveness of electrical heating systems.
Latest Patents
Harrington's latest patents include innovative solutions such as "Logical Flicker Suppression for a Temperature Controlled Heater Load." This patent describes a temperature control system designed to reduce flicker in electrical resistance heaters. The system comprises an electrical resistance heater divided into at least two electrical loads, with a power source that supplies electrical power to each load at different time intervals. This ensures that the total power supplied remains consistent throughout the predetermined time period.
Another significant patent is the "Apparatus for Controlling Temperature of Moveable Electrically Heated Objects/Drums." This invention features a temperature-controlled apparatus that includes a rotatable object with a surface, an electrical heater assembly, and a temperature sensor assembly. The microprocessor, which is non-rotatably mounted, processes temperature signals to control the flow of electrical power to the heater, ensuring optimal temperature management.
Career Highlights
Throughout his career, John A. Harrington has worked with prominent companies such as 3M Innovative Properties Company and Eastman Kodak Company. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Harrington has collaborated with notable coworkers, including Steven W. Tanamachi and Dennis J. Kluy. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
John A. Harrington's contributions to the field of temperature control systems exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving electrical heating systems, making him a significant figure in the realm of inventions.