Location History:
- Middleton, WI (US) (2014 - 2023)
- Janesville, WI (US) (2024)
Company Filing History:
7 out of 23 
4 out of 4 
2 out of 2 
Years Active: 2014-2025
Title: Gregory Piefer: Innovator in Nuclear Technology
Introduction
Gregory Piefer, an accomplished inventor based in Middleton, Wisconsin, has made significant contributions to the fields of nuclear technology and materials science. With a remarkable portfolio of 13 patents, Piefer's innovations focus on enhancing nuclear reaction processes and developing groundbreaking techniques for the separation of rare earth elements.
Latest Patents
Among his latest patents are two notable inventions: the ion source and neutron generator, which features a chamber designed to contain gas and a target to facilitate nuclear reactions. This innovative generator employs a filament that, when heated to a specific temperature via a voltage application, generates thermions to ionize gas, thus producing positive ions that interact with the target, enabling nuclear reactions.
Another key invention is a sophisticated sublimation/distillation apparatus aimed at effectively separating rare earth elements. This apparatus includes a crucible with an open end, connected to a heating device and an actively cooled collection substrate, all housed within a vacuum chamber. This design is pivotal for the efficient collection of rare elements, which are crucial in various technological applications.
Career Highlights
Gregory Piefer has had a noteworthy career, contributing his expertise to prominent organizations such as Shine Technologies, LLC and Shine Medical Technologies, Inc. His work has played an essential role in advancing nuclear technology and ensuring the safe and efficient use of this energy source.
Collaborations
Throughout his career, Piefer has collaborated with esteemed colleagues, including Eric Nicholas Van Abel and Richard Sisson. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Gregory Piefer's dedication to innovation is evident in his numerous patents and contributions to nuclear technology and materials science. His inventions not only enhance scientific understanding but also pave the way for future advancements in energy and resource management. As he continues to push the boundaries of what is possible, Piefer remains a significant figure in the realm of scientific innovation.