Patents by Inventor Gortiz Bernd

Gortiz Bernd 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).

  • Pneumatic brake for railway locomotives and motor cars
    Patent number: 5429424
    Abstract: A pneumatic brake system for use with an additional brake including a by-pass valve in parallel to a shut-off valve. The by-pass valve is opened only during an actuating or controlling of the pneumatic brake which exceeds a control range and opens up the passage through the brake pressure line irrespective of the switching condition of the shut-off valve. The connection of the brake cylinder line section of the brake pressure line with the atmosphere by the shut-off valve is at least choked when the by-pass valve is opened up.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: July 4, 1995
    Assignee: Knorr-Bremse AG
    Inventors: Erich Huber, deceased, Robert Hofstetter, heir, Gortiz Bernd