Patents by Inventor Olof Vingsbo

Olof Vingsbo 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).

  • Method of making measuring elements such as gauge blocks
    Patent number: 3956092
    Abstract: A method for the preparation of very accurate measuring surfaces on measuring elements such as gauge blocks, surface plates, and the like. In one embodiment of the inventive method, the measuring surface is prelapped to a level of two to five microns below the desired final level. Thereafter, the surface is sputter coated with a hard ceramic or cermet layer with a thickness of three to ten microns, and finally the surface is lapped until the final desired level is reached. The invention also comprehends measuring elements made according to the novel method.
    Type: Grant
    Filed: May 2, 1974
    Date of Patent: May 11, 1976
    Assignee: Aktiebolaget C. E. Johansson
    Inventors: Anders Kampe, Olof Vingsbo