David P Hillstead

Title: The Innovations of David P. Hillstead

Introduction

David P. Hillstead, based in St. Charles, MO, is a prolific inventor with a remarkable portfolio of four patents. His innovations primarily focus on the engineering of tank car valve assemblies, contributing significantly to the field of railway transport.

Latest Patents

Among his latest patents is the "Bottom Operator for Top Operated Bottom Installed Tank Car Valve Assembly." This invention presents an unloading assembly that connects an unloading outlet chamber to an existing valve outlet chamber. The design facilitates fluid communication between these chambers, enhancing efficiency in unloading processes. Another notable patent is the "Top Operated Tank Car Clapper Valve," which features a rod that extends down from the tank's top, engaging with the valve stem at the tank’s bottom. This innovative assembly includes a threaded valve sleeve, a valve seat, and a valve stem retainer, all designed to harmonize with AAR and DOT regulations.

Career Highlights

David has made significant strides in his career, currently employed at ACF Industries, Incorporated. His contributions in developing complex valve systems reflect his technical prowess and dedication to advancing railway safety and functionality.

Collaborations

Throughout his career, David has collaborated with talented coworkers, including Gunter R. Behle and Robert K. Neff. These partnerships have fostered an environment of creativity, allowing for the development of groundbreaking innovations in the industry.

Conclusion

David P. Hillstead's work exemplifies the spirit of innovation within the railway sector. His patents not only streamline operational processes but also enhance safety and functionality in transporting goods. With a track record of successful inventions and collaborative efforts, he continues to be a significant figure in the field of railway engineering.