Patents by Inventor Darrell Clarry Klatt

Darrell Clarry Klatt 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).

  • Magnetic separation in fluids
    Patent number: 7591175
    Abstract: Methods and apparatus are disclosed for recovering magnetically attractable wellbore casing fragments from drilling fluid used in hydrocarbon-producing formations.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: September 22, 2009
    Inventor: Darrell Clarry Klatt
  • MAGNETIC SEPARATION IN FLUIDS
    Publication number: 20080142211
    Abstract: Methods and apparatus are disclosed for recovering magnetically attractable wellbore casing fragments from drilling fluid used in hydrocarbon-producing formations.
    Type: Application
    Filed: February 29, 2008
    Publication date: June 19, 2008
    Inventor: DARRELL CLARRY KLATT
  • Magnetic separation in fluids
    Patent number: 7350409
    Abstract: Methods and apparatus are disclosed for recovering magnetically attractable wellbore casing fragments from drilling fluid used in hydrocarbon-producing formations.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: April 1, 2008
    Inventor: Darrell Clarry Klatt