Patents by Inventor Holger Schwämmle

Holger Schwämmle 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: 6827072
    Abstract: A dressing wheel has a disk-shaped base body centered on an axis and formed with an annular groove also centered on the axis and having an inner surface. A multiplicity of abrasive elements distributed along the groove are in direct contact with the groove inner surface. Matrix powder fills the groove between the elements and between the elements and the groove surfaces. A hardened infiltrating agent, e.g. solder, fills interstices of the matrix powder.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: December 7, 2004
    Assignee: Wendt GmbH
    Inventor: Holger Schwämmle