Company Filing History:
Years Active: 2009-2013
Title: Innovations of John D. Gierszewski
Introduction
John D. Gierszewski is a notable inventor based in Creve Coeur, Illinois. He has made significant contributions to the field of engineering, particularly in valve technology. With a total of 4 patents to his name, Gierszewski continues to innovate and improve existing technologies.
Latest Patents
Among his latest inventions is the "Dual Butterfly Control Valve and Method of Use." This innovative valve is designed for use in a plenum or pipe and features a large butterfly valve element that is pivotally supported by at least one rod. The design includes an opening that accommodates a smaller butterfly valve element, which is coupled to the rod by a shaft. This configuration allows for limited rotation of the shaft, enabling controlled flow through the plenum. Further rotation results in the large butterfly valve element opening to provide greater flow.
Another significant patent is the "Reducing Agent Injector Having Purge Heater." This invention outlines a method for introducing a reducing agent into an exhaust stream. The process involves injecting the reducing agent using a specialized injector, which can selectively heat its nozzle to minimize residue buildup. This innovation enhances the efficiency of exhaust systems.
Career Highlights
John D. Gierszewski is currently employed at Caterpillar Inc., a leading company in the manufacturing of construction and mining equipment. His work at Caterpillar has allowed him to apply his inventive skills to real-world applications, contributing to the company's reputation for innovation and quality.
Collaborations
Throughout his career, Gierszewski has collaborated with talented individuals such as Andrew C. Heebink and Glenn Brian Cox. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
John D. Gierszewski's contributions to valve technology and exhaust systems exemplify his innovative spirit and dedication to engineering. His patents reflect a commitment to improving functionality and efficiency in industrial applications.