Patents by Inventor Alexander John Uffelman

Alexander John Uffelman 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).

  • Patent number: 11236759
    Abstract: Contoured fan blades and associated systems and methods are disclosed herein. A representative embodiment includes a hub and multiple curved fan blades circumferentially arranged around, and coupled to, the hub. Individual fan blades can have a tip, a first curved edge, and a second curved edge. The first and second curved edges extend over at least part of the length between the hub to the tip of the fan blade. The fan blade is formed with multiple upper channels and multiple lower channels. The multiple upper and lower channels extend from the first curved edge to the second curved edge.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 1, 2022
    Assignee: Legend Brands, Inc.
    Inventor: Alexander John Uffelman
  • Publication number: 20200173458
    Abstract: Contoured fan blades and associated systems and methods are disclosed herein. A representative embodiment includes a hub and multiple curved fan blades circumferentially arranged around, and coupled to, the hub. Individual fan blades can have a tip, a first curved edge, and a second curved edge. The first and second curved edges extend over at least part of the length between the hub to the tip of the fan blade. The fan blade is formed with multiple upper channels and multiple lower channels. The multiple upper and lower channels extend from the first curved edge to the second curved edge.
    Type: Application
    Filed: October 29, 2019
    Publication date: June 4, 2020
    Inventor: Alexander John Uffelman