Patents by Inventor Johannes S. Mehnert

Johannes S. Mehnert 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).

  • Blow-molding apparatus
    Patent number: RE29768
    Abstract: Blow-molding apparatus for the fabrication of hollow bodies from thermoplastic material, wherein a pre-cast element positioned on a blow pipe receives its finished shape in a hollow mold by blowing compressed air through the pipe.
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: September 19, 1978
    Inventor: Johannes S. Mehnert