John L Schrag

Title: The Innovations of John L Schrag

Introduction

John L Schrag is an accomplished inventor based in Madison, Wisconsin. He is known for his significant contributions to the field of rheology, particularly through his innovative patent that addresses the viscoelasticity of liquids. His work has implications in both laboratory measurements and process control, showcasing the practical applications of his inventions.

Latest Patents

John L Schrag holds a patent for an "Apparatus and method for determining the viscoelasticity of liquids." This invention involves a rheometer designed to measure the viscoelasticity of a liquid by analyzing the mechanical impedance presented by the liquid to an oscillating surface. The device determines the incremental power required to maintain a fixed amplitude of oscillation and the differential shift in oscillation frequency when immersed in the liquid. By correlating these measurements, the viscoelastic properties of the liquid can be accurately assessed.

Career Highlights

Schrag is associated with the National Metal and Refining Company, Ltd., where he applies his expertise in rheology. His work has contributed to advancements in understanding liquid behavior, which is crucial for various industrial applications. His innovative approach has positioned him as a notable figure in his field.

Collaborations

Throughout his career, John L Schrag has collaborated with esteemed colleagues, including J Vincent Fitzgerald and Frank J Matusik. These partnerships have fostered a collaborative environment that enhances the development of innovative solutions in rheology.

Conclusion

John L Schrag's contributions to the field of rheology through his patent on viscoelasticity measurement exemplify the impact of innovation in scientific research and industrial applications. His work continues to influence the understanding of liquid properties, making significant strides in both laboratory and process control settings.