Patents by Inventor Paul Maahs

Paul Maahs 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).

  • Dimensionally stable, high-tenacity non-woven webs and process
    Patent number: 3975224
    Abstract: Dimensionally stable, high-tenacity non-woven webs and process for their manufacture. The non-woven webs of the invention are distinguished by a relative grab-tensile strength of at least 200 p/g/m.sup.2, a breaking extension of not more than 50% and a shrinkage of not more than 1%, as measured at 160.degree.C, and are primarily useful as reinforceing and backing materials in the manufacture of needle-punched and tufted carpets.
    Type: Grant
    Filed: August 16, 1973
    Date of Patent: August 17, 1976
    Assignee: Lutravil Spinnvlies GmbH & Co.
    Inventors: Ivo Ruzek, Guenther Worf, Ludwig Hartmann, Paul Maahs, Lueder Gerking