Company Filing History:
Years Active: 2022-2024
Title: The Innovative Contributions of Leonard Passmore in Gypsum Recovery
Introduction
Leonard Passmore, an accomplished inventor based in Clarksville, Virginia, has made significant strides in the field of materials recovery and environmental processing. With two patents to his name, Passmore focuses on innovative systems and methods that enhance the recovery of value-added materials from gypsum and related feedstocks. His work is pivotal in addressing environmental concerns while providing valuable commercial products.
Latest Patents
Leonard Passmore's latest patents detail comprehensive systems and methods for processing flue gas desulfurization (FGD) gypsum feedstock. The first patent discloses a process where FGD gypsum, a form of calcium sulfate, is reacted with ammonium carbonate to yield commercial products such as ammonium sulfate and calcium carbonate. This process not only produces beneficial materials but also involves separating impurities, including valuable rare earth elements and radioactive isotopes like thorium and uranium. Additionally, it outlines a method to convert calcium sulfite into calcium sulfate using oxygen and a catalyst. The second patent focuses on ash conversion, introducing a leaching followed by a sequential precipitation process that selectively precipitates metal hydroxides, which can then be converted into oxides or carbonates. Control of these processes through sophisticated processors demonstrates the innovation behind Passmore’s work.
Career Highlights
Throughout his career, Leonard Passmore has worked with notable companies including Elixsys, Inc. and Davy Powersports Inc. These positions have allowed him to hone his expertise in materials recovery and environmental technology, leading to his impactful inventions. His patents reflect a deep understanding of chemical processes and a commitment to enhancing sustainability in industrial operations.
Collaborations
Passmore's career has been enriched through collaborations with esteemed colleagues, including Barry E. Sheetz and Joseph D. Preston. Their combined expertise has likely contributed to the development of patented technologies that address critical industry challenges related to material recovery and environmental safety.
Conclusion
Leonard Passmore stands out as a significant innovator in the field of gypsum recovery and processing. His patented systems and methods reflect a commitment to both scientific advancement and environmental stewardship. As industries continue to seek sustainable solutions, the contributions of inventors like Passmore will no doubt play a crucial role in shaping a more sustainable future.
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.