Patents by Inventor Daniel A. Sherrer

Daniel A. Sherrer 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).

  • Self-drilling, self-cleaning panel fastener
    Patent number: 10330137
    Abstract: A self-drilling, self-cleaning fastener for a panel includes a head having a top side and an underside. The head has a diameter. A shank depends from an underside of the head and has a diameter less than the diameter of the head. A knurled region is adjacent the shank. The knurled region has a diameter and a plurality of spiral formed knurls having a twist in a first direction. The knurls define a major circumference as measured around peaks of the knurls. A threaded region is adjacent the knurled region and has a diameter less than the diameter of the knurled region. The threaded region has a thread form having a twist in a second direction opposite the first direction. A driving point is at an end opposite the head.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 25, 2019
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Yongping Gong, Daniel A. Sherrer
  • Self-drilling, self-cleaning panel fastener
    Patent number: 9709086
    Abstract: A self-drilling, self-cleaning fastener for a panel includes a head having a top side and an underside. The head has a diameter. A shank depends from an underside of the head and has a diameter less than the diameter of the head. A knurled region is adjacent the shank. The knurled region has a diameter and a plurality of spiral formed knurls having a twist in a first direction. The knurls define a major circumference as measured around peaks of the knurls. A threaded region is adjacent the knurled region and has a diameter less than the diameter of the knurled region. The threaded region has a thread form having a twist in a second direction opposite the first direction. A driving point is at an end opposite the head.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: July 18, 2017
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Yongping Gong, Daniel A. Sherrer
  • SELF-DRILLING, SELF-CLEANING PANEL FASTENER
    Publication number: 20170198740
    Abstract: A self-drilling, self-cleaning fastener for a panel includes a head having a top side and an underside. The head has a diameter. A shank depends from an underside of the head and has a diameter less than the diameter of the head. A knurled region is adjacent the shank. The knurled region has a diameter and a plurality of spiral formed knurls having a twist in a first direction. The knurls define a major circumference as measured around peaks of the knurls. A threaded region is adjacent the knurled region and has a diameter less than the diameter of the knurled region. The threaded region has a thread form having a twist in a second direction opposite the first direction. A driving point is at an end opposite the head.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 13, 2017
    Inventors: Yongping Gong, Daniel A. Sherrer
  • SELF-DRILLING, SELF-CLEANING PANEL FASTENER
    Publication number: 20160061247
    Abstract: A self-drilling, self-cleaning fastener for a panel includes a head having a top side and an underside. The head has a diameter. A shank depends from an underside of the head and has a diameter less than the diameter of the head. A knurled region is adjacent the shank. The knurled region has a diameter and a plurality of spiral formed knurls having a twist in a first direction. The knurls define a major circumference as measured around peaks of the knurls. A threaded region is adjacent the knurled region and has a diameter less than the diameter of the knurled region. The threaded region has a thread form having a twist in a second direction opposite the first direction. A driving point is at an end opposite the head.
    Type: Application
    Filed: August 21, 2015
    Publication date: March 3, 2016
    Inventors: Yongping Gong, Daniel A. Sherrer