Patents by Inventor Jonathan Greenlee

Jonathan Greenlee 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: 20130220638
    Abstract: A setting tool for use inside a well bore casing having an upper portion, a lower portion, and a wrap spring. The upper portion includes a mandrel coupled to a connecting line. The upper portion is configured to receive an input. The lower portion includes a first sleeve configured translate along an axis of the setting tool. The lower portion is selectively coupled to the upper portion. The wrap spring has a torsional preload and is coupled to the upper portion and the lower portion. The wrap spring is configured to selectively release the lower portion and upon reception of the input, such that the first sleeve is permitted to translate along the axis.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 29, 2013
    Inventors: Donald R. Greenlee, Donald Jonathan Greenlee
  • Patent number: 8336635
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A retractable packer cup is also disposed on the mandrel. The retractable packer cup is provided for sealing an annulus between the mandrel and the well bore. The retractable packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: December 25, 2012
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Publication number: 20120080202
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A retractable packer cup is also disposed on the mandrel. The retractable packer cup is provided for sealing an annulus between the mandrel and the well bore. The retractable packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Application
    Filed: December 13, 2011
    Publication date: April 5, 2012
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Patent number: 8113276
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A packer cup is also disposed on the mandrel. The packer cup is provided for sealing an annulus between the mandrel and the well bore. The packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: February 14, 2012
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Publication number: 20110308820
    Abstract: A downhole apparatus and assembly for use in a well bore and associated method are disclosed. The downhole apparatus includes a mandrel, a first slip, and a second slip, both slips being disposed on the mandrel. The slips are configured to grippingly engaging the well bore when in a set position. A packer cup is also disposed on the mandrel. The packer cup is provided for sealing an annulus between the mandrel and the well bore. The packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. The downhole assembly includes a downhole tool and a setting apparatus. The setting apparatus can be used to lower the downhole apparatus to a desired setting depth and then to release the downhole apparatus.
    Type: Application
    Filed: August 31, 2011
    Publication date: December 22, 2011
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee
  • Publication number: 20100101807
    Abstract: A downhole apparatus and for use in a well bore and associated method are disclosed. The downhole apparatus includes a center mandrel. A slip means is disposed on the mandrel. The slip means can include teeth or the like for grippingly engaging the well bore when in a set position. A packer cup is also disposed on the mandrel. The packer cup is provided for sealing an annulus between the mandrel and the well bore. The packer cup is slidable relative to the mandrel, and can be controlled to slide along the mandrel in order to move the slip to the set position. Also disclosed is a downhole assembly that includes a downhole tool and a setting apparatus. The setting apparatus can be used for lowering the downhole apparatus to a desired setting depth and then releasing the downhole apparatus.
    Type: Application
    Filed: October 27, 2008
    Publication date: April 29, 2010
    Inventors: Donald Roy Greenlee, Donald Jonathan Greenlee