Patents by Inventor Scott Ketcham

Scott Ketcham 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).

  • Proprotor blade retention system
    Patent number: 12780402
    Abstract: In one aspect, a blade retention system—for a variable pitch aircraft proprotor system—may comprise a double conical blade root encapsulated by a split sleeve. Some embodiments described additionally include fail-operational features. The preload of the blade pitch bearings pushes the metallic split sleeve into the bond line with the blade root.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: November 3, 2026
    Assignee: Archer Aviation Inc.
    Inventors: James Orbon, Scott Ketcham, Alan Buehne
  • Proprotor Blade Retention System
    Publication number: 20240351678
    Abstract: In one aspect, this application describes a blade retention system—for a variable pitch aircraft proprotor system—comprising a double conical blade root encapsulated by a split sleeve. Some embodiments described additionally include fail-operational features. The preload of the blade pitch bearings pushes the metallic split sleeve into the bond line with the blade root.
    Type: Application
    Filed: August 15, 2022
    Publication date: October 24, 2024
    Inventors: James Orbon, Scott Ketcham, Alan Buehne