Patents by Inventor David William Henderson

David William Henderson 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).

  • Downhole location indication system
    Patent number: 11118412
    Abstract: A downhole indicating device includes a collet body and a slidable collet comprising a protrusion and surrounding and slidable along a length of the collet body between a low snap position and a high snap position. In the low snap position, the protrusion is depressible under a low snap force, and in the high snap position, the protrusion is depressible under a high snap force with the low snap force being less than the high snap force.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: September 14, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: David William Henderson, Eddie Eddieberto Perez
  • Downhole Location Indication System
    Publication number: 20200024912
    Abstract: A downhole indicating device includes a collet body and a slidable collet comprising a protrusion and surrounding and slidable along a length of the collet body between a low snap position and a high snap position. In the low snap position, the protrusion is depressible under a low snap force, and in the high snap position, the protrusion is depressible under a high snap force with the low snap force being less than the high snap force.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 23, 2020
    Applicant: Halliburton Energy Services, Inc.
    Inventors: David William Henderson, Eddie Eddieberto Perez