John T Graef

Title: The Innovations of John T. Graef

Introduction

John T. Graef is a notable inventor based in Erwinna, PA (US). He has made significant contributions to the field of lighting control technology. With a total of 3 patents to his name, Graef has demonstrated a commitment to innovation and practical design.

Latest Patents

Among his latest inventions is the Selectable Level Lighting Control Faceplate. This innovative device allows users to adjust lighting levels with ease. Another notable invention is the Twist-off Knob, which features a unique design that mounts on one end of a shaft. The other end of the shaft guides a slidable element, such as the wiper of a slide potentiometer. The shaft has an elongated cross-section, and the knob includes a pair of generally parallel raised ribs on each of two facing interior sides. These ribs serve to guide and secure the shaft into the knob. If the knob is twisted rather than slid, it can be removed with minimal deformation of the ribs and/or shaft, allowing for reuse. This knob is particularly adapted for use with a notched, split shaft.

Career Highlights

John T. Graef is currently employed at Lutron Electronics Company, Inc., a leader in lighting control solutions. His work at Lutron has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for quality and innovation in the industry.

Collaborations

Throughout his career, Graef has collaborated with notable colleagues such as Elliot G. Jacoby and Joel S. Spira. These collaborations have fostered an environment of creativity and innovation, leading to the development of cutting-edge technologies in lighting control.

Conclusion

John T. Graef's contributions to the field of lighting control technology exemplify the spirit of innovation. His patents reflect a deep understanding of user needs and practical design. As he continues to work at Lutron Electronics Company, Inc., Graef remains a key figure in advancing lighting technology.