Patents by Inventor Veijo Hietala

Veijo Hietala 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).

  • Device for measuring pulp stock consistency
    Patent number: 4062226
    Abstract: A device for measuring the consistency of pulp stock flowing in a given direction along a conduit. The device includes a carrier shaft which extends transversely with respect to the direction of stock flow, and this carrier shaft carries a sensing element extending from the carrier shaft in the downstream direction of stock flow into the stock for shearing the flowing stock and for responding to engagement with the stock for producing a torque capable of being measured for indicating consistency of the stock.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: December 13, 1977
    Assignee: Valmet Oy
    Inventor: Veijo Hietala