Patents by Inventor Jürgen Mornhinweg

Jürgen Mornhinweg 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: 8607760
    Abstract: A portable handheld work apparatus has at least one work tool which is driven by an internal combustion engine (2). The engine (2) has a crankcase (20) which is formed, at least in part, by a crankcase sump (28). The work apparatus has a housing component (4) of plastic. The crankcase sump (28) is made of metal and is injection molded into the housing component (4) of the work apparatus. The engine (2) has an ignition unit which includes an ignition module (31). A simple configuration of the work apparatus results when the ignition module (31) is fixed directly and electrically conductively to the metal crankcase sump (28). For making the work apparatus, at least one attachment element for attaching a work tool carrier is fixed on the crankcase sump (28) before the crankcase sump (28) is injection molded therearound by the material of the housing component (4).
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: December 17, 2013
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Jürgen Mornhinweg, Michael Schmid
  • Publication number: 20100139608
    Abstract: A portable handheld work apparatus has at least one work tool which is driven by an internal combustion engine (2). The engine (2) has a crankcase (20) which is formed, at least in part, by a crankcase sump (28). The work apparatus has a housing component (4) of plastic. The crankcase sump (28) is made of metal and is injection molded into the housing component (4) of the work apparatus. The engine (2) has an ignition unit which includes an ignition module (31). A simple configuration of the work apparatus results when the ignition module (31) is fixed directly and electrically conductively to the metal crankcase sump (28). For making the work apparatus, at least one attachment element for attaching a work tool carrier is fixed on the crankcase sump (28) before the crankcase sump (28) is injection molded therearound by the material of the housing component (4).
    Type: Application
    Filed: December 1, 2009
    Publication date: June 10, 2010
    Inventors: Jürgen Mornhinweg, Michael Schmid