Patents by Inventor Ernst Vogt

Ernst Vogt 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 for manufacturing a laminar bond and apparatus for conducting the method
    Patent number: 4832253
    Abstract: In a method for the firm bonding at elevated temperatures of thin, large-area wafers of different thermal expansion the deformations of the laminar bond occurring later during cooling are at least partially compensated by an appropriate pre-deformation in the opposite direction. An apparatus for conducting the method uses the different thermal expansion of a housing (1) and a ring-shaped thermal expansion element (3) to produce the pre-deformation.
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: May 23, 1989
    Assignee: BBC Brown Boveri AG
    Inventors: Franz Kloucek, Per-Olof Larsson, Ernst Vogt
  • Process for the isothermal forging of a work piece
    Patent number: 4228670
    Abstract: A process for the lubrication of a tool surface which comprises high pressure blast spraying a powder lubricant having a particle size of 0.6 to 1.5 .mu. at a spray pressure of 4 to 5 bar, onto the tool surface thereby producing a high temperature compacted coherent lubricant film on the surface while simultaneously smoothing, strengthening and compressively stressing the tool surface.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: October 21, 1980
    Assignee: BBC Brown, Boveri & Company, Limited
    Inventors: Christopher W. Corti, Rolf Luthi, Ernst Vogt