Patents by Inventor Hannes Schrenk

Hannes Schrenk 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 and apparatus for producing expanded metal
    Patent number: 4621397
    Abstract: An apparatus for producing expanded metal from a metal foil includes a cutting tool which provides the advancing metal foil with intermittent cuts in conveying direction. Arranged at a downstream portion, the apparatus comprises a stretching unit which includes a pair of toothed bottom belts and a pair of toothed top belts which seize and clamp the metal foil along its edges and stretch the latter in a direction transverse to the conveying direction, if necessary, by cooperating with a nose-like ramp interposed between the pair of bottom belts and the pair of top belts.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: November 11, 1986
    Inventor: Hannes Schrenk
  • Filler body for receptacles for combustible fluids and method of making same
    Patent number: 4613054
    Abstract: A filler body for introduction into a receptacle for liquid or gaseous combustibles, e.g. gasoline, consists of a ball of expanded metal, especially aluminum foil.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: September 23, 1986
    Inventor: Hannes Schrenk