Patents by Inventor Josef Hochgatterer

Josef Hochgatterer 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).

  • Membrane system for treating water using compressed air to pressurize reservoir
    Patent number: 5324424
    Abstract: The water-treating apparatus includes a membrane filter, which at its inlet end is adapted to be connected by a prefiltering filter to a water supply line and serves to treat water by reverse osmosis and at its outlet end is connected to a waste water line and a pure water line, which opens into a drinking water tank, which is constituted by a diaphragmless container, which is connected to an air supply system for supplying compressed air to the tank driven by waste water in the waste line and from which a rising line extends to a dispenser for drinking water.
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: June 28, 1994
    Inventor: Josef Hochgatterer