Patents by Inventor Johannes Meuleman

Johannes Meuleman 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 providing a layer of solid material on a substrate in which liquid from which the solid material can be formed, is spread over the substrate surface
    Patent number: 4124411
    Abstract: A method of providing a layer of solid material, in particular semiconductor material, in which drops of a liquid from which the solid material is deposited, is dropped and spread on a flat surface which is given a rotating movement and also another periodic movement, changing the position of the plane of the substrate surface.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: November 7, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Johannes Meuleman, Jean-Pierre Besselere
  • Apparatus for treating a plurality of semiconductor slices to a reacting gas current
    Patent number: 4018183
    Abstract: A method of uniformly exposing a plurality of semiconductor slices to a reacting gas flow, where the slices are arranged in a spaced stack within a tube and the gas is directed between said slices by a longitudinally positioned baffle wall having apertures the cross-section of which increase in the direction of gas flow.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: April 19, 1977
    Assignee: U.S. Philips Corporation
    Inventor: Johannes Meuleman