Patents by Inventor Brent Kohls

Brent Kohls 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).

  • Publication number: 20080164017
    Abstract: A bottom hole assembly for an intermittent lift plunger system includes a retrievable downhole anchor which may be set and reset in one downhole trip, a retrievable packing device, and a plunger stop.
    Type: Application
    Filed: March 24, 2008
    Publication date: July 10, 2008
    Applicant: STELLARTON TECHNOLOGIES INC.
    Inventors: Grant GEORGE, Geoff STEELE, Brent KOHLS
  • Patent number: 7347273
    Abstract: A bottom hole assembly for an intermittent lift plunger system includes a retrievable downhole anchor which may be set and reset in one downhole trip, a retrievable packing device, and a plunger stop.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: March 25, 2008
    Assignee: Stellarton Technologies Inc.
    Inventors: Grant George, Geoff Steele, Brent Kohls
  • Publication number: 20070089885
    Abstract: A bottom hole assembly for an intermittent lift plunger system includes a retrievable downhole anchor which may be set and reset in one downhole trip, a retrievable packing device, and a plunger stop.
    Type: Application
    Filed: October 21, 2005
    Publication date: April 26, 2007
    Inventors: Grant George, Geoff Steele, Brent Kohls