Patents by Inventor Jan-Inge Lindeberg

Jan-Inge Lindeberg 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).

  • Proceeding for Impregnation of Sheets of Stones and a Device to Accomplish told Proceeding
    Publication number: 20160067742
    Abstract: Processes for impregnating sheets of stone, concrete, or similar material with an impregnating liquid are disclosed. An impregnating liquid in spray form is injected in a vacuum chamber, in which sheets are received, at an amount that gives saturation of the sheets. Apparatus for accomplishing the processes are also disclosed.
    Type: Application
    Filed: April 22, 2014
    Publication date: March 10, 2016
    Applicant: Natstone AB
    Inventor: Jan-Inge Lindeberg
  • Proceeding in Connection with Stone Production and a Plant for the Proceeding
    Publication number: 20160016330
    Abstract: The invention concerns a proceeding for the production of slab-shaped stone products (1) from blocks (2) of natural stone. According to the invention, occurring stresses in the stone block (2) are removed, before saw-cutting of said stone block (2) into thinner slabs (1), by drying the stone block (2) internally by utilising a micro wave dryer (3) and thereby attaining stress relief of the same. The invention also concerns a plant for carrying out a proceeding according to the invention.
    Type: Application
    Filed: March 4, 2014
    Publication date: January 21, 2016
    Applicant: Natstone AB
    Inventor: Jan-Inge Lindeberg
  • Stone product in sheet form, method for its manufacture and appropriate means
    Patent number: 5597627
    Abstract: The present invention relates to a stone product in sheet form suitable for use both outdoors and indoors, e.g. as a facade cladding or a fitting, etc. The stone product in question has undergone impregnation treatment with a view to causing its strength and flexibility to be increased through the presence of an impregnating agent in existing pores, cracks and other cavities in the stone sheet in question. A method for producing said stone product and means for its manufacture are also included in the invention.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: January 28, 1997
    Assignee: Techstone i Kinna AB
    Inventor: Jan-Inge Lindeberg