Patents by Inventor Willi Scheffe

Willi Scheffe 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).

  • Device for the removal of coverings laid on flat surfaces
    Patent number: 7341315
    Abstract: The invention relates to an apparatus for removing coverings laid on even surfaces, comprising a support frame (10) for mounting driving wheels (16) and for accommodating a motor (17) and a gear (18) for driving the driving wheels (16), and comprising a motor-driven separating knife (25). According to the invention it is provided that at least one loosely rotatable support element (21) is arranged on the support frame (11) parallel to the driving wheels (16).
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: March 11, 2008
    Assignee: Uzin Utz AG
    Inventors: Willi Scheffe, Dieter Hammel
  • Device for the removal of coverings laid on flat surfaces
    Publication number: 20070007814
    Abstract: The invention relates to an apparatus for removing coverings laid on even surfaces, comprising a support frame (10) for mounting driving wheels (16) and for accommodating a motor (17) and a gear (18) for driving the driving wheels (16), and comprising a motor-driven separating knife (25). According to the invention it is provided that at least one loosely rotatable support element (21) is arranged on the support frame (11) parallel to the driving wheels (16).
    Type: Application
    Filed: December 1, 2004
    Publication date: January 11, 2007
    Inventors: Willi Scheffe, Dieter Hammel