International Patents

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    Primary Aluminum Production Solutions: U.S. and Canada

    Editors Note: This survey focuses on primary aluminum production patents granted recently in the U.S. and Canada, neighboring countries working together since the industry began. Today, Canada is one of the largest aluminum exporters to the U.S. A large majority of Canada’s primary aluminum is exported to the U.S., making it an important raw material […]

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    Extruded Aluminum Design Leads the Way

    US11845323 — VEHICLE ROOF COMPRISING A SHADING ARRANGEMENT AND GUIDE RAILS — Webasto SE (Germany) — A vehicle roof having a plate-shaped body-shell element and a shading arrangement which has a shading element and guide rails for laterally guiding the shading element. At least one fixing element is formed integrally on each of the guide […]

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    Lithium-Ion Battery Recycling

    Editor’s Note: The lightest of all metals, lithium is a fundamental material for the production of lithium-ion rechargeable batteries (LIBs) which achieve high energy and power densities thanks to the unique atomic structure and electrochemical properties of lithium. Having been globally commercialized for some three decades, LIBs are available in various types, based on cathode […]

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    High Pressure Die Casting of Automotive Aluminum

    Editor’s Note: Since the June issue of Light Metal Age ran the Viami International Inc. article on aluminum giga-castings in car manufacturing, the topic of high pressure die casting (HPDC) has prompted interest as a focus of this column, especially as it applies to automotive applications. Such castings predominate in today’s cars that are powered […]

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    Aluminum Recycling and Recovery Technologies

    Editor’s Note: Positive environmental and commercial considerations have driven the rapid rise of secondary aluminum in achieving about a third of global aluminum consumption today. Data from the Aluminum Association and the International Aluminum Institute indicate that recycling aluminum uses 90-95% less energy compared with primary aluminum and ~75% of all aluminum ever produced since […]

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    Additive Manufacturing of Light Metal – Part II

    Editor’s Note: Part II supplements the International Patent Calendar published in October 2021 on “Additive Manufacturing of Light Metals.” This second version covers selected U.S. patents on the subject that were published more recently. The rapid pace of invention in additive manufacturing (AM) worldwide is due not only to the rapid prototyping of complex shapes […]

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    Aluminum Extrusion Applications

    “The future cannot be predicted, but futures can be invented.” — Denis Gabor, nobelist and author of Inventing the Future (1963) Editor’s Note: As aluminum extrusion applications extend to most business areas, especially for B&C, transportation, industrial, consumer, and defense, it is no wonder that inventions utilizing aluminum extrusions to meet present and future needs […]

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    Primary Aluminum Production Solutions

    “The future cannot be predicted, but futures can be invented.” — Denis Gabor, Nobelist and author of Inventing the Future (1963) Editor’s Note: In the first of some 22 US patents granted to Charles Martin Hall for his invention of the aluminum electrolysis process, he basically claimed an inert anode “formed of copper, platinum, or […]