Patents by Inventor John William Hellkvist

John William Hellkvist 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).

  • Apparatus for measuring loads
    Patent number: 4036317
    Abstract: An apparatus for measuring loads with the use of a plurality of measuring points, for instance in motor vehicles, in which one load-supporting measuring element is placed at each measuring point and contains a resilient material, such as rubber, for taking up lateral forces acting upon the measuring element.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: July 19, 1977
    Assignee: AB Stathmos
    Inventor: John William Hellkvist