Patents by Inventor Friedrich Oswald

Friedrich Oswald 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).

  • Patent number: 7029211
    Abstract: The present invention a pipe chamfer tool including a body having at least one aperture defined therein, the aperture sized and adapted to slidably receive a pipe. The chamfer tool further includes a cutting blade housed in the body defining at least one cutting surface for chamfering a pipe end. The cutting blade oriented such that a pipe end received within an aperture simultaneously impinges on one of the cutting surfaces and a stop surface wherein the stop surface positioned at a preselected offset distance; and wherein a pipe end is chamfered by rotating a pipe or rotating the body thereby cutting a pipe end to a chamfer. The chamfer tool includes a cutting blade having a planar blade portion having top and bottom surfaces with V shaped cutting surfaces defined along a front edge of the blade wherein the V shaped cutting surfaces positioned adjacent each other along the front edge of the blade.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: April 18, 2006
    Inventor: Friedrich Oswald
  • Publication number: 20040226423
    Abstract: The present invention a pipe chamfer tool including a body having at least one aperture defined therein, the aperture sized and adapted to slidably receive a pipe. The chamfer tool further includes a cutting blade housed in the body defining at least one cutting surface for chamfering a pipe end. The cutting blade oriented such that a pipe end received within an aperture simultaneously impinges on one of the cutting surfaces and a stop surface wherein the stop surface positioned at a preselected offset distance; and wherein a pipe end is chamfered by rotating a pipe or rotating the body thereby cutting a pipe end to a chamfer. The chamfer tool includes a cutting blade having a planar blade portion having top and bottom surfaces with V shaped cutting surfaces defined along a front edge of the blade wherein the V shaped cutting surfaces positioned adjacent each other along the front edge of the blade.
    Type: Application
    Filed: October 28, 2003
    Publication date: November 18, 2004
    Inventor: Friedrich Oswald