Company Filing History:
1 out of 2 
1 out of 20 
1 out of 3 Years Active: 1980-1988
Title: The Innovative Contributions of John F Pietz
Introduction
John F Pietz is a notable inventor based in Mesa, AZ (US), recognized for his significant contributions to the field of propellant technology. With a total of 3 patents to his name, Pietz has developed innovative methods that enhance the efficiency and safety of propellant systems.
Latest Patents
One of his latest patents is titled "Porous propellant grain and method of making same." This invention outlines a process for preparing a porous propellant grain by blending at least two combustible materials to create a homogeneous mixture. The process involves adding a specific amount of a liquid dispersant to form a slurry, which is then flash dried to produce a porous, single grain propellant. This propellant features a flat, toroidal shape with a central cylindrical core, honeycombed with numerous porous channels that significantly increase the burning surface.
Another notable patent is "Method and compositions for generating nitrogen gas." This invention presents a gas-generating composition designed to produce nitrogen gas free from harmful impurities. The composition consists of an alkali metal azide, a stoichiometric amount of a metal oxide or a mixture of metal oxides, and an ammonium perchlorate burn rate enhancer. The generated nitrogen gas can be utilized to inflate impact protection air cushions in automotive restraint systems, enhancing safety features in vehicles.
Career Highlights
Throughout his career, John F Pietz has worked with reputable companies such as Talley Industries, Inc. and Talley Defense Systems, Inc. His experience in these organizations has allowed him to apply his innovative ideas in practical applications, contributing to advancements in defense and automotive safety technologies.
Collaborations
Pietz has collaborated with several professionals in his field, including Gregory D Knowlton and Melvin E Steinle. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
John F Pietz's contributions to propellant technology and gas generation demonstrate his innovative spirit and commitment to enhancing safety and efficiency in various applications. His patents reflect a deep understanding of materials and processes that can significantly impact the industry.