Patents by Inventor Stefan J. Moszkowski

Stefan J. Moszkowski 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).

  • Ventilation equipment
    Patent number: 5033361
    Abstract: Ventilation equipment with an intake of fresh air supply device and heat emitting or absorbing ceiling panels. These panels are placed laterally adjacent to the fresh air supply device, which is formed for blowing in air laterally along the underside of the panels so that the blown-air air coacts thermally with the panels.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: July 23, 1991
    Inventor: Stefan J. Moszkowski
  • Device for acting on and treating surfaces, for instance for picking up particles, leaves and litter
    Patent number: 4707879
    Abstract: A device for acting on or treating surfaces by a medium, preferably air, which is supplied to the device via one or several inlets and is sucked away through one or several outlets. The device comprises at least one vortex chamber (10) whose inner envelope surface (11) is so designed that the medium entering through the inlets (20) is circulated in the chamber and acts on the treatment surface (13) through an opening (12) provided in the envelope surface (11) and directed to the treatment surface (13). The axis (17) about which the medium is circulated is parallel to the treatment surface (13).
    Type: Grant
    Filed: October 8, 1985
    Date of Patent: November 24, 1987
    Inventor: Stefan J. Moszkowski