Patents by Inventor David Presas

David Presas 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).

  • Thermal cutter
    Patent number: 10781676
    Abstract: A thermal cutter device for cutting downhole objects in a reservoir wellbore, wherein the device lacks moving parts, and thus is more robust and less failure prone than prior art thermal cutter.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: September 22, 2020
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Hongfa Huang, Steven Henderson, Moises Enrique Smart, David Presas
  • THERMAL CUTTER
    Publication number: 20190186243
    Abstract: A thermal cutter device for cutting downhole objects in a reservoir wellbore, wherein the device lacks moving parts, and thus is more robust and less failure prone than prior art thermal cutter.
    Type: Application
    Filed: May 24, 2018
    Publication date: June 20, 2019
    Inventors: Hongfa Huang, Steven Henderson, Moises Enrique Smart, David Presas