Steven John Harrold

Title: Steven John Harrold: Innovator in Membrane Technology

Introduction

Steven John Harrold, based in Vista, California, is a notable inventor recognized for his contributions to membrane technology. With a total of five patents to his name, Harrold's work primarily focuses on enhancing the efficiency and performance of membrane systems used in various filtration applications.

Latest Patents

Harrold's latest innovations include two significant patents. The first patent delves into the material efficiency and fabrication of membrane elements. It addresses the challenge of achieving a larger active membrane area within membrane elements that utilize multiple membrane leaves. This innovative design involves permeate carriers that are strategically positioned between membrane sheets, with adhesives employed to seal the edges. Notably, by reducing the thickness of the edges of the permeate carrier, the diameter at the ends of each element can be minimized, improving overall performance.

His second patent focuses on a flux-enhancing agent designed to improve the performance of composite polyamide reverse osmosis membranes. This additive, an amino-siloxane compound, contains silicons bonded to oxygen, along with amine functional groups and potentially hydrophilic components. Its unique formulation allows it to interact with both aqueous and organic phases, resulting in the creation of a thin polyamide film on a porous substrate, thereby enhancing filtration capabilities.

Career Highlights

Throughout his career, Steven John Harrold has collaborated with renowned companies such as General Electric Company and Bl Technologies, Inc. His time at these organizations provided him with valuable experiences and insights, further shaping his innovative approaches to membrane technology.

Collaborations

In his professional journey, Harrold has worked alongside esteemed colleagues, including Lawrence Charles Costa and Prashant Vishwanath Shrikhande. These collaborations reflect a strong network of expertise that has contributed to the development and refinement of his patented technologies.

Conclusion

Steven John Harrold stands out as a significant innovator in membrane technology, with a focus on optimizing efficiency and performance. His dedication to advancing filtration systems through innovative patent developments continues to impact various industries, solidifying his reputation as a leading inventor in this field.