Patents by Inventor Werner Ferch

Werner Ferch 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).

  • Means controlling the delivery of oil to a storage tank
    Patent number: 4083387
    Abstract: A system for controlling the filling of a storage tank with a fluid in which the storage tank normally is provided with a sound transmitting device activated when the fluid reaches the level of the sound transmitting device. The system includes a time delay for continued feeding of fluid to the storage tank, the time delay being controlled to permit the void in the storage tank above the level of the sound transmitting device to be filled with fluid to the maximum capacity of the tank.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: April 11, 1978
    Inventors: Albert Stieber, Werner Ferch