Patents by Inventor Bertram Horst

Bertram Horst 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).

  • Automatic toilet cleaner device
    Patent number: 5317762
    Abstract: An automatic toilet cleaner container including a lateral opening and an opening at its upper end, is adapted for releasing an active-substance concentrate only during flushing. A float is included for free floating of the toilet cleaner as a whole with the exit of the lateral opening being kept permanently below the water surface. The lateral opening is provided on the upper part of the container opposite a solid cleanser. The lateral opening is safeguarded against outflow of the active-substance concentrate when the water tank is full.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: June 7, 1994
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bertram Horst, Bernhard Bongers, Erich Tuerk, Volker Weiss, Ronald Menke