Company Filing History:
8 out of 75 
3 out of 321 
3 out of 3 
Years Active: 1977-2000
Title: Innovations of John R. Purcell: A Pioneer in Cryogenics and Magnetic Separation
Introduction
John R. Purcell, a prolific inventor based in San Diego, California, has made significant contributions to the fields of cryogenics and magnetic separation. With a remarkable portfolio of 24 patents, Purcell's innovations have greatly advanced technologies used in various industrial applications.
Latest Patents
Among his latest patents, Purcell has developed a magnetic separator featuring an improved separation container configuration. This innovation enhances the efficiency of separating materials based on magnetic properties, providing a crucial tool for industries relying on precise material handling. Another significant patent focuses on the refrigeration of superconducting magnet systems. This advanced refrigeration system comprises a dewar and a refrigerator/liquefier designed to meet the variable demands of a superconducting magnet housed within the dewar. The innovative design ensures optimal performance by circulating fluid to liquefy and refrigerate pulsed cryogenic loads efficiently.
Career Highlights
Purcell's career has been marked by notable achievements at leading companies in the field. He has worked with Ga Technologies, Inc. and General Atomics, Inc., where he played a pivotal role in developing advanced cryogenic technologies. His work has significantly influenced the efficiency and effectiveness of superconducting magnets and related systems, establishing him as a key contributor in his field.
Collaborations
Throughout his career, Purcell has collaborated with esteemed colleagues, including Sibley C. Burnett and Raymond E. Sarwinski. These partnerships have fostered innovation and enhanced research outcomes, further advancing the technologies that have emerged from their combined expertise.
Conclusion
John R. Purcell's dedication to innovation and his extensive patent portfolio highlight his critical role in advancing cryogenics and magnetic separation technologies. His contributions not only showcase his expertise but also reflect the ongoing importance of innovation in addressing modern engineering challenges. As the fields of cryogenics and material separation continue to evolve, Purcell's work remains influential and relevant in shaping future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.