Patents by Inventor Joerg Faelche

Joerg Faelche 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).

  • Percussion hammer with a one piece striker
    Patent number: 4310055
    Abstract: A hand-held power tool has a tool holder, a tool axially reciprocable in the tool holder, and a striking mechanism including a drive piston and a striker having a disc-shaped plate with a small axial dimension and a striker shaft having a cross sectional dimension corresponding to that of a tool shaft. The striker shaft transmits impact energy directly to a rear end face of the tool shaft without an intermediate member.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: January 12, 1982
    Assignee: Robert Bosch GmbH
    Inventors: Karl Wanner, Ludwig Thome, Joerg Faelche, Werner Lehmann