Patents by Inventor Dwight Rose

Dwight Rose 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: 20100258314
    Abstract: An example of an apparatus for jarring a wellbore tool from an obstruction includes four sub-assemblies in communication with three springs such that the springs may be compressed forcing the subassemblies to become adjacent to one another. When the springs are actuated, the sub-assembly units spring apart from one another force dislodging the lower most sub-assembly component from the obstruction.
    Type: Application
    Filed: June 24, 2010
    Publication date: October 14, 2010
    Inventor: Dwight Rose
  • Patent number: 7775280
    Abstract: An example of an apparatus for jarring a wellbore tool from an obstruction includes four sub-assemblies in communication with three springs such that the springs may be compressed forcing the subassemblies to become adjacent to one another. When the springs are actuated, the sub-assembly units spring apart from one another force dislodging the lower most sub-assembly component from the obstruction.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: August 17, 2010
    Inventor: Dwight Rose
  • Patent number: 7523786
    Abstract: An apparatus for freeing a cable that is lodged in a wellbore without dislodging the well tool carried by cable includes a housing connectable about the cable and means for engaging the cable upon impact with the well tool to reduce the impact of the outer housing on the well tool.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: April 28, 2009
    Inventor: Dwight Rose
  • Publication number: 20080149340
    Abstract: An example of an apparatus for jarring a wellbore tool from an obstruction includes four sub-assemblies in communication with three springs such that the springs may be compressed forcing the subassemblies to become adjacent to one another. When the springs are actuated, the sub-assembly units spring apart from one another force dislodging the lower most sub-assembly component from the obstruction.
    Type: Application
    Filed: November 13, 2007
    Publication date: June 26, 2008
    Inventor: Dwight Rose
  • Publication number: 20080047710
    Abstract: An apparatus for freeing a cable that is lodged in a wellbore without dislodging the well tool carried by cable includes a housing connectable about the cable and means for engaging the cable upon impact with the well tool to reduce the impact of the outer housing on the well tool.
    Type: Application
    Filed: August 28, 2007
    Publication date: February 28, 2008
    Inventor: Dwight Rose