Patents by Inventor Ernst Welte

Ernst Welte 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).

  • Paper making machine with facing felt and forming wire
    Patent number: 4008122
    Abstract: The paper making machine is of compact construction and uses a suction roll as a guide roll for the felt web to aid in removing the paper web from the wire to the felt web and to press the felt web and paper web against the drying roll to aid in transferring the paper web to the drying roll. Secondary pressure rolls may also be used downstream of the suction roll for dewatering purposes. Also, a blower means is used to assist transfer of the paper web from the wire to the felt web.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: February 15, 1977
    Assignee: Escher Wyss G.m.b.H.
    Inventor: Ernst Welte