James J MacDonald, Jr

Title: The Innovative Contributions of James J MacDonald, Jr.

Introduction

James J MacDonald, Jr. is a notable inventor based in Dedham, MA (US). He has made significant contributions to the field of appliance technology, particularly with his innovative designs that enhance user experience and safety.

Latest Patents

One of his key patents is for an "Appliance control knob providing illuminated setting indication." This invention features a rotary switch shaft that incorporates an LED at the end. The LED projects light laterally from the shaft, providing a clear indication of the rotary position of the corresponding knob in relation to printed indicia on a console. The design includes slip rings that power the LED directly from line power, controlled by a limiting resistor. Additionally, the shaft is designed with a controlled breakage feature, which recesses the LED conductors within the shaft to minimize the risk of operator contact with line voltage in the event of breakage.

Career Highlights

James J MacDonald, Jr. is currently employed at Illinois Tool Works Inc., where he continues to innovate and develop new technologies. His work has had a lasting impact on the appliance industry, particularly in enhancing the functionality and safety of control mechanisms.

Collaborations

Throughout his career, he has collaborated with talented individuals such as Eric K Larson and Juan J Barrena. These partnerships have contributed to the successful development of his inventions and have fostered a collaborative environment for innovation.

Conclusion

James J MacDonald, Jr. is a distinguished inventor whose work in appliance control technology has made significant strides in user safety and functionality. His innovative designs continue to influence the industry and improve the user experience.