Patents by Inventor Michael A. Rowlen

Michael A. Rowlen 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).

  • Pipe and shaft sander
    Patent number: 7413505
    Abstract: The present invention relates to a hand-held motorized device that is designed for sanding cylindrical objects. The invention comprises a left side and right side within which are a plurality of rollers, a motor, an on/off button, power supply, and sanding belt. A plurality of diameter knobs located on the exterior side of the housing enable a range of adjustment for various diameters. The sides can be disassembled to enable sanding belt replacement. The device has appealing uses comprising sanding down copper ends for soldering during plumbing installation.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: August 19, 2008
    Inventor: Michael A. Rowlen, Jr.
  • PIPE AND SHAFT SANDER
    Publication number: 20080194185
    Abstract: The present invention relates to a hand-held motorized device that is designed for sanding cylindrical objects. The invention comprises a left side and right side within which are a plurality of rollers, a motor, an on/off button, power supply, and sanding belt. A plurality of diameter knobs located on the exterior side of the housing enable a range of adjustment for various diameters. The sides can be disassembled to enable sanding belt replacement. The device has appealing uses comprising sanding down copper ends for soldering during plumbing installation.
    Type: Application
    Filed: February 12, 2007
    Publication date: August 14, 2008
    Inventor: Michael A. Rowlen