Patents by Inventor Hellmut Herminghaus

Hellmut Herminghaus 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).

  • Tarpaulin with edge reinforcing strip
    Patent number: 3987592
    Abstract: A tarpaulin composed of a sheet and edge reinforcing strips attached to the sheet along the edges thereof, only the strips being provided with perforations, at the intended locations of holding eyes, and the sheet being free of perforations so that the perforations in the strips present blind holes, whereby, for use, the sheet can be punched through only at the locations where holding eyes are required while the remaining edge portions of the sheet are left unperforated and thus unweakened.
    Type: Grant
    Filed: October 30, 1974
    Date of Patent: October 26, 1976
    Assignee: Ewald Dorken AG
    Inventors: Hellmut Herminghaus, Dieter Jablonka