Patents by Inventor Thomas Hellstrom

Thomas Hellstrom 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).

  • Publication number: 20150292074
    Abstract: An aerial article including a composite skin, a leading edge facing an airflow during use of the aerial article, an erosion resistant coating including a metallic material, and an aerodynamic surface. The coating at least partly covers the composite skin of the aerial article. The coating has a porosity sufficiently high to provide an open area, diffusion passage way, so as to permit moisture transportation from the composite skin to the aerodynamic surface of the coating. A method of applying an erosion resistant coating including a metallic material to a composite skin of an aerial article. An erosion resistant coating material is provided onto the composite skin over a selected area of the article. The coating is porous. The outer surface of the coating is polished to achieve a smooth aerodynamic surface.
    Type: Application
    Filed: October 31, 2012
    Publication date: October 15, 2015
    Inventors: Pontus Nordin, Per Hallander, Jonas Bohlin, Thomas Hellstrom
  • Patent number: 4819988
    Abstract: A restraining device for highchairs and the like comprises limb means for closely overlying the lap of an occupant of the chair and adjustable vertically and horizontally with respect to the chair. The device includes a post which is attached in one embodiment to the underside of the feeding tray and in another embodiment to the seat of the chair.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: April 11, 1989
    Inventor: Thomas Hellstrom