Patents by Inventor Jeffrey D. Lendermon

Jeffrey D. Lendermon 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).

  • Universal Pipe Thread Protector
    Publication number: 20130213516
    Abstract: A protector for protecting a helical thread of a pipe comprises a body. The body has a central axis, an upper end comprising a base, a lower end opposite the upper end, and an annular connecting member extending axially from the base to the lower end. The connecting member comprising a radially inner surface and a radially outer surface. The connecting member comprises a helical thread extending radially inward from the radially inner surface or radially outward from the radially outer surface. The helical thread comprises a convex profile that is different than a thread profile of the thread of the pipe.
    Type: Application
    Filed: August 17, 2012
    Publication date: August 22, 2013
    Applicant: DRILLTEC PATENTS AND TECHNOLOGIES CORPORATION
    Inventors: David W. Clem, Jeffrey D. Lendermon, Bryan C. Baker
  • Pipe thread protector
    Patent number: 8424570
    Abstract: A protector for protecting a pipe thread having a thread pitch P1 has a central axis, a first end, second end opposite the first end, and comprises a base at the first end. In addition, the protector comprises an annular connecting member extending axially from the base to the second end. The connecting member has a radially inner surface and a radially outer surface. The connecting member also includes a helical thread extending radially outward from the radially inner surface or radially inward from the radially outer surface. The helical thread has a thread pitch P2 that is greater than the thread pitch P1 of the pipe thread.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: April 23, 2013
    Assignee: Drilltec Patents & Technologies Corporation
    Inventors: Bryan C. Baker, David W. Clem, Jeffrey D. Lendermon
  • Pipe Thread Protector
    Publication number: 20110265904
    Abstract: A protector for protecting a pipe thread having a thread pitch P1 has a central axis, a first end, second end opposite the first end, and comprises a base at the first end. In addition, the protector comprises an annular connecting member extending axially from the base to the second end. The connecting member has a radially inner surface and a radially outer surface. The connecting member also includes a helical thread extending radially outward from the radially inner surface or radially inward from the radially outer surface. The helical thread has a thread pitch P2 that is greater than the thread pitch P1 of the pipe thread.
    Type: Application
    Filed: May 3, 2011
    Publication date: November 3, 2011
    Applicant: DRILLTEC PATENTS & TECHNOLOGIES CORPORATION
    Inventors: Bryan C. Baker, David W. Clem, Jeffrey D. Lendermon