Patents by Inventor Curtis Lea

Curtis Lea 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).

  • Reduced electromagnetic signature of conforming conical seal fastener systems
    Patent number: 10457414
    Abstract: A fastener including a sleeve having an elongated portion, a head with a bearing surface, and an internal threaded portion, a core bolt disposed within the sleeve and having a head and a shank portion having an external threaded portion engageable threadedly with the threaded portion of the sleeve. An insert is disposed within the sleeve and surrounds a portion of the core bolt. A seal element is attached to the sleeve and juxtaposed with the bearing surface of the head of the sleeve. The fastener is adapted to be installed in a structure. The electrical contact of the fastener reduces the potential difference between it and the structure, which provides a direct path for continuous propagation of electromagnetic waves, reducing electromagnetic wave scattering and minimizing the electromagnetic signature.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: October 29, 2019
    Assignee: Arconic Inc.
    Inventors: Andreas Liebscher, Wudhidham Prachumsri, Curtis Lea, Luke Haylock
  • Reduced Electromagnetic Signature of Conforming Conical Seal Fastener Systems
    Publication number: 20180162551
    Abstract: A fastener including a sleeve having an elongated portion, a head with a bearing surface, and an internal threaded portion, a core bolt disposed within the sleeve and having a head and a shank portion having an external threaded portion engageable threadedly with the threaded portion of the sleeve. An insert is disposed within the sleeve and surrounds a portion of the core bolt. A seal element is attached to the sleeve and juxtaposed with the bearing surface of the head of the sleeve. The fastener is adapted to be installed in a structure. The electrical contact of the fastener reduces the potential difference between it and the structure, which provides a direct path for continuous propagation of electromagnetic waves, reducing electromagnetic wave scattering and minimizing the electromagnetic signature.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Applicant: ARCONIC INC.
    Inventors: Andreas Liebscher, Wudhidham Prachumsri, Curtis Lea, Luke Haylock
  • BLIND BOLT FASTENER WITH EMBOSSMENTS
    Publication number: 20180163766
    Abstract: A fastener including a core bolt and a sleeve adapted to receive the core bolt. The sleeve includes an elongated portion and a head including a first, outer surface and a plurality of embossments located on and extending from the first surface. The plurality of embossments is adapted to mate with and be engaged by corresponding debossments of a fastener installation tool. The embossments react installation torque.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 14, 2018
    Applicant: ARCONIC INC.
    Inventors: Luke Haylock, Wudhidham Prachumsri, Curtis Lea