Patents by Inventor Josef Velinsky

Josef Velinsky 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).

  • Filter apparatus and method of operating same
    Patent number: 4904282
    Abstract: An apparatus for filtering air containing textile impurities, comprises an air-permeable, fixed collecting device preferably of accordion shape, for separating the textile impurities. The collecting device has a number of filtering portions which can be cleaned by at least one suction device.
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: February 27, 1990
    Assignee: LTG Lufttechnische GmbH
    Inventors: Helmut Stuble, Heinz Burkhardt, Josef Velinsky