Patents by Inventor Brian J. Ruth

Brian J. Ruth 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).

  • Chainsaw carving guide bar
    Patent number: 9610699
    Abstract: A chainsaw guide bar adapted for carving and shaping a workpiece. In one embodiment, a guide bar includes a mounting end, a distal working end, and an intermediate portion offset from the longitudinal axis defined the mounting end. In one embodiment, the guide bar includes an axially elongated recess providing an unsupported span of chain which is movable between undeflected and deflected positions for contouring a workpiece. The chain is engaged with and supported in a guide rail slot along the top peripheral edge of the guide bar. Various embodiments of the guide bar have an asymmetrical shape. The guide bar may further include an idler sprocket mechanism operable to guide movement of the saw chain along the outer peripheral edge of the guide bar.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: April 4, 2017
    Inventor: Brian J. Ruth
  • CHAINSAW CARVING GUIDE BAR
    Publication number: 20120279074
    Abstract: A chainsaw guide bar adapted for carving and shaping a workpiece. In one embodiment, a guide bar includes a mounting end, a distal working end, and an intermediate portion offset from the longitudinal axis defined the mounting end. In one embodiment, the guide bar includes an axially elongated recess providing an unsupported span of chain which is movable between undeflected and deflected positions for contouring a workpiece. The chain is engaged with and supported in a guide rail slot along the top peripheral edge of the guide bar. Various embodiments of the guide bar have an asymmetrical shape. The guide bar may further include an idler sprocket mechanism operable to guide movement of the saw chain along the outer peripheral edge of the guide bar.
    Type: Application
    Filed: July 11, 2012
    Publication date: November 8, 2012
    Inventor: Brian J. Ruth
  • Chainsaw carving guide bar
    Patent number: 8225515
    Abstract: A chainsaw guide bar adapted for carving and shaping a workpiece. In one embodiment, a guide bar includes a mounting end, a distal cutting end, and an intermediate portion offset from the longitudinal axis defined the mounting end. The guide bar may further include an idler sprocket mechanism operable to keep the saw chain engaged with the outer peripheral edge of the guide bar. In other embodiments, the guide bar includes an axially elongated recess providing an unsupported span of chain which is movable between undeflected and deflected positions when carving a workpiece.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: July 24, 2012
    Inventor: Brian J. Ruth
  • CHAINSAW CARVING GUIDE BAR
    Publication number: 20100229406
    Abstract: A chainsaw guide bar adapted for carving and shaping a workpiece. In one embodiment, a guide bar includes a mounting end, a distal cutting end, and an intermediate portion offset from the longitudinal axis defined the mounting end. The guide bar may further include an idler sprocket mechanism operable to keep the saw chain engaged with the outer peripheral edge of the guide bar. In other embodiments, the guide bar includes an axially elongated recess providing an unsupported span of chain which is movable between undeflected and deflected positions when carving a workpiece.
    Type: Application
    Filed: March 23, 2010
    Publication date: September 16, 2010
    Inventor: Brian J. Ruth
  • Chainsaw guide bar
    Patent number: D630484
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: January 11, 2011
    Inventor: Brian J. Ruth
  • Chainsaw guide bar
    Patent number: D630485
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: January 11, 2011
    Inventor: Brian J. Ruth
  • Chainsaw guide bar
    Patent number: D630922
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: January 18, 2011
    Inventor: Brian J. Ruth