Patents by Inventor Wilhelm Herveling

Wilhelm Herveling 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).

  • Underwater terrain reinforcement matting
    Patent number: 4168335
    Abstract: A matting is disclosed for reinforcing underwater terrains. The matting is made of sections of looped intersecting synthetic polymer filaments bonded to one another at their points of intersection, at least one section being temporarily buoyant in water. The matting disclosed may be towed into position and then submerged.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: September 18, 1979
    Assignee: Akzona Incorporated
    Inventors: Jan G. Vos, Berthold H. Daimler, Wilhelm Herveling, Alfred Birker, Siegfried Langefeld
  • Nonwoven horizontal drainage system
    Patent number: 4019326
    Abstract: A horizontal soil drainage system consisting of a nonwoven three-dimensional mat of a plurality of looped, intersecting and substantially amorphous filaments of melt-spun synthetic polymers bonded together at their intersections, at least one of the outer surfaces of said mat having a lower cross-sectional porosity than the center zone of said mat.
    Type: Grant
    Filed: December 4, 1972
    Date of Patent: April 26, 1977
    Assignee: Akzona Incorporated
    Inventors: Wilhelm Herveling, Alfred Birker, Berthold H. Daimler, Jan G. Vos, Hans Stapp
  • Ground stabilization matting
    Patent number: 3934421
    Abstract: A matting comprised of a plurality of continuous amorphous synthetic thermoplastic filaments having an equivalent diameter of about 0.1 to 2.0 millimeters is disclosed to be used for the ground stabilization of road beds. The filaments comprising the matting are arranged in a number of superimposed contacting rows with an overlapping intersection of the loops of adjacent filaments in at least the same row with superficial bonding of the filaments at their points of intersection.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: January 27, 1976
    Assignee: Akzona Incorporated
    Inventors: Berthold H. Daimler, Jan Vos, Wilhelm Herveling