Patents by Inventor Stefan Wanninger

Stefan Wanninger 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).

  • Method of manufacturing a percussion mechanism of a hand-held power tool
    Publication number: 20040000414
    Abstract: A percussion mechanism of a hand-held power tool includes a reciprocating percussion piston (1) displaceable under the action of a pneumatic spring (5) to apply blows to an end surface of a working tool (8), which is received in a chuck (7) of the power tool, directly or via an anvil (6), with the percussion piston (1) and/or the anvil (6), when the anvil is used, being formed of a non-ferromagnetic material.
    Type: Application
    Filed: April 10, 2003
    Publication date: January 1, 2004
    Inventors: Karl Echtler, Lutz Troeder, Martin Richter, Stefan Wanninger