Patents by Inventor Maarten Josef Teepen

Maarten Josef Teepen 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).

  • Wafer boat
    Patent number: 6287112
    Abstract: Boat comprising a number of vertically extending rods for the accepting therein of shield rings. Each shield ring is provided with a number of projections or other carrying means for accepting a wafer. The ‘thickness’ of the shield rings in the radial direction is not constant according to the invention and is smaller close to one of the rods than in the area between two rods.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: September 11, 2001
    Assignee: ASM International, N.V.
    Inventors: Pieter Johannes Quintus Van Voorst Vader, Maarten Josef Teepen