Patents by Inventor Staffan O. Gran

Staffan O. Gran 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).

  • Patent number: 4314464
    Abstract: A device for the wet treatment of textiles in endless strip or web form, including a housing, at least one bow-shaped, partially perforated and/or slotted supply chamber in the housing, at least one inlet arranged at an elevated position on the housing, and at least one outlet arranged at the lowest point of the housing for circulating wet treatment means through the device and wherein the supply chamber has a substantially rectilinear portion adjacent the outlet, the longitudinal axis of which is inclined at between 30.degree. and 60.degree. to the horizontal. There is further contemplated a layer of plastic material for providing a sliding surface, located within the supply chamber adjacent the outlet for the wet treatment means, and at least on the radially outer wall of the supply chamber, the layer extending over the whole width of the supply chamber.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: February 9, 1982
    Inventor: Staffan O. Gran