Patents by Inventor Wilfried Stangl

Wilfried Stangl 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).

  • Rohrpoststation (pneumatic-tube station)
    Patent number: 4256418
    Abstract: A pneumatic tube station with a displaceable tube portion which can be moved parallel to itself out of a continuous delivery tube, and respectively, which can be inserted into the delivery tube, which displaceable tube portion in the position inserted into the delivery tube is connected at both ends with the delivery tube by means of respectively one seal each. In the vicinity of one end of the displaceable tube portion there is provided a slider. The slider closes the displaceable tube portion when the slider is in the inserted condition. The two ends of the delivery tube are connected with each other by means of an air channel. The displaceable tube portion in its position in which it is moved out of the delivery tube, is arranged between a storage hopper and a discharge opening, the hopper being provided with a blocking device.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: March 17, 1981
    Assignee: Aerotrans Rohrpostanlagen Gesellschaft m.b.H.
    Inventor: Wilfried Stangl