Patents by Inventor Ing R. V. Nordenskjold

Ing R. V. Nordenskjold 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).

  • Fluid filter
    Patent number: 4359388
    Abstract: A dust removing fluid filter has a continuous filter material web wound about a rotatable drum. The free end of the web is attached to a collector shaft which winds up the filter material web as it becomes contaminated.
    Type: Grant
    Filed: January 27, 1981
    Date of Patent: November 16, 1982
    Inventor: Ing R. V. Nordenskjold