Patents by Inventor Kauko Heinanen

Kauko Heinanen 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).

  • Twin-wire paper machine adjustable to single-wire machine
    Patent number: 3994774
    Abstract: A paper machine having upper and lower wires and wherein an adjusting structure cooperates with a portion of at least one of these wires to move this wire portion close enough to a cooperating portion of the other wire to achieve a twin-wire operation and to move the adjustable wire portion away from the cooperating wire portion to achieve at the latter a single-wire operation, so that at least in part the wires are adjustable one with respect to the other to provide for the option of operating the machine, at least in part, as a single-wire machine or as a twin-wire machine.
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: November 30, 1976
    Assignee: Valmet Oy
    Inventors: Matti Halme, Kauko Heinanen