Patents by Inventor Pietro Bomio

Pietro Bomio 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 producing a packing and a packing layer made thereby
    Patent number: 4128684
    Abstract: The layers for the packing are each woven of thin multi-filament yarns and thicker plastic monofilament yarns with the thicker plastic yarns being heat treated into a deformed state to impart a corrugated shape to each layer. The monofilament yarns impart rigidity to the layers while the multi-filament yarns provide wetting characteristics. The layers may also be of knitted construction.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: December 5, 1978
    Assignee: Sulzer Brothers Limited
    Inventors: Pietro Bomio, Werner Meier