John S Hoelzer

Title: The Innovations of John S. Hoelzer

Introduction

John S. Hoelzer is a notable inventor based in Wauwatosa, WI (US). He has made significant contributions to the field of control circuitry and electronic timing systems. With a total of 3 patents to his name, Hoelzer's work reflects a commitment to advancing technology in practical applications.

Latest Patents

Hoelzer's latest patents include a "Control circuitry including phase failure relay." This innovative system is designed to sense the phase of a three-phase AC system, detecting phase reversal, undervoltage, and phase unbalance. It provides a switching function when the system is not functioning properly. Another significant invention is the "Electronic delay timer." This machine tool timing relay is immune to electrical noise on a control signal. It features an oscillator capable of generating pulses at a predetermined frequency, with adjustable frequency over a continuous range. The device includes a counter that counts the pulses and generates an output signal after a predetermined number of pulses are counted. An optical isolator circuit is also included, which generates a light signal to initiate the counting process while isolating the counter from electrical noise.

Career Highlights

Hoelzer is currently employed at Square D Company, where he continues to innovate and develop new technologies. His work has had a lasting impact on the industry, particularly in the areas of electrical control systems and timing mechanisms.

Collaborations

Throughout his career, Hoelzer has collaborated with notable coworkers such as James T. Libert and Roger C. Wojtak. These partnerships have contributed to the successful development of various projects and patents.

Conclusion

John S. Hoelzer's contributions to innovation in control circuitry and electronic timing systems highlight his expertise and dedication to advancing technology. His patents reflect a deep understanding of electrical systems and their applications in real-world scenarios.