Patents by Inventor Lloyd Vincent Mulligan

Lloyd Vincent Mulligan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240092481
    Abstract: A propeller according to an embodiment includes a hub and a series of blades extending outward from the hub. Each blade of the series of blades includes a core and a skin covering the core. The core may be formed of a ceramic first material and the skin is formed of a second material different than the ceramic first material. The ceramic first material of the core may be ceramic Si3N4 (silicon nitride), yttria-toughened zirconia ceramic, or alumina-zirconia ceramic, and the second material of the skin may be a polymer. The polymer skin is configured to function as a shock absorber protecting the ceramic core, and the ceramic core is configured to provide rigidity to maintain the shape of the propeller blades under aerodynamic loading, which enables improved aerodynamic efficiency and reduced noise generation.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 21, 2024
    Inventors: Anthony C. Mulligan, Lloyd Vincent Mulligan, Jaime Lara-Martinez, Jay M. Cohen, Drey Dean Platt, Dylan Kylar Allen Gutierrez, Eva Marie Huie, Robert W. Lautrup, Ronald A. Cipriani