Patents by Inventor Eric L. Helquist

Eric L. Helquist 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).

  • Single tool installation/removal of restraint cable with anti-rotation feature
    Patent number: 9297404
    Abstract: An anti-rotation duct restraint system and methods of using this system for connecting flexible ducts are described. The anti-rotation duct restraint system includes a flexible cable having a swaged cable end and a flattened threaded cable end, wherein the swaged cable end can be aligned with a though-hole in a first flange of a first flexible duct, and the flattened threaded cable end, along with a mating metal bushing, can be aligned with a through-hole in a second flange of a second flexible duct. The system also includes a nut, which can be threaded onto the flattened threaded cable end and secured using a single tool with one hand, for connecting the first flexible duct with the second flexible duct.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: March 29, 2016
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Mark Edmund Kolder, Eric L. Helquist, Mark Fewell
  • SINGLE TOOL INSTALLATION/REMOVAL OF RESTRAINT CABLE WITH ANTI-ROTATION FEATURE
    Publication number: 20140175791
    Abstract: An anti-rotation duct restraint system and methods of using this system for connecting flexible ducts are described. The anti-rotation duct restraint system includes a flexible cable having a swaged cable end and a flattened threaded cable end, wherein the swaged cable end can be aligned with a though-hole in a first flange of a first flexible duct, and the flattened threaded cable end, along with a mating metal bushing, can be aligned with a through-hole in a second flange of a second flexible duct. The system also includes a nut, which can be threaded onto the flattened threaded cable end and secured using a single tool with one hand, for connecting the first flexible duct with the second flexible duct.
    Type: Application
    Filed: March 5, 2014
    Publication date: June 26, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Mark Edmund Kolder, Eric L. Helquist, Mark Fewell