Patents by Inventor Todd ATKINSON

Todd ATKINSON 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).

  • Burst port sub with dissolvable barrier
    Patent number: 10767443
    Abstract: The present invention relates to burst port subs (BPS) 120 allowing for a tubing 100 or a liner 200 or a casing 200 in a borehole 300 to be opened at a predetermined pressure and further providing a delayed opening sequence due to a dissolvable barrier 400, 500 arranged in a port 440, 540 of the sub 120. The present invention relates further to a downhole system comprising a predetermined number of such burst port subs (BPS) 120.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: September 8, 2020
    Assignee: TRICAN COMPLETION SOLUTIONS LTD
    Inventors: Mike Bellavance, Todd Atkinson, Tore Sørheim
  • BURST PORT SUB WITH DISSOLVABLE BARRIER
    Publication number: 20160208575
    Abstract: The present invention relates to burst port subs (BPS) 120 allowing for a tubing 100 or a liner 200 or a casing 200 in a borehole 300 to be opened at a predetermined pressure and further providing a delayed opening sequence due to a dissolvable barrier 400, 500 arranged in a port 440, 540 of the sub 120. The present invention relates further to a downhole system comprising a predetermined number of such burst port subs (BPS) 120.
    Type: Application
    Filed: January 21, 2016
    Publication date: July 21, 2016
    Inventors: Mike BELLAVANCE, Todd ATKINSON, Tore SØRHEIM
  • Cannabinoid receptor modulators
    Patent number: 6100259
    Abstract: Novel pyrazole derivatives are provided which are cannabinoid receptor modulators.
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: August 8, 2000
    Assignee: SmithKline Beecham Corporation
    Inventors: Jia-Ning Xiang, John Duncan Elliott, Steven Todd Atkinson, Siegfried Benjamin Christensen, IV