Patents by Inventor Walter von der Wettern

Walter von der Wettern 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).

  • Covering, a process of producing it and the use thereof
    Patent number: 4381357
    Abstract: A covering especially for roads consisting of mineral fillers, reclaimed rubber and a binder based on bitumen, it being possible to incorporate 5 to 30% by weight of reclaimed rubber and the binder comprising a hot-homogenized blend of bitumen and thermoplastic polymers, especially of the radial teleblock copolymer type being used. The resultant coverings are capable of reducing the annoyance caused by rolling noises etc. without the necessity of putting up with losses of other qualities.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: April 26, 1983
    Assignee: Gebr. von der Wettern GmbH
    Inventors: Walter von der Wettern, Harald Albrecht