Patents by Inventor Otmar Riedel

Otmar Riedel 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).

  • Saw blades with convex ground saw tooth flanks
    Patent number: 6314854
    Abstract: A saw blade has teeth which are located on a carrier blade. Saw teeth flanks are curved and convex. A transition point between a cutting edge of the saw tooth and the curved convex saw tooth flank is such that a spacing distance between a radial center of the saw tooth flank and a radial plane of symmetry of the saw tooth is greater than a spacing distance between the transition point and the plane of symmetry.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: November 13, 2001
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Heinz Fritz, Otmar Riedel