Patents by Inventor Rienk Weening

Rienk Weening 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 manufacturing a cathode ray tube
    Patent number: 4832645
    Abstract: A method of manufacturing a cathode ray tube, in which the positions of the tube envelope and the gun assembly are adjusted so their respectively longitudinal axes coincide, and then fixed against non-axial movement prior to insertion and sealing of the gun assembly into the neck of the envelope, wherein the gun assembly position is fixed by clamping at least three of its connector pins.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: May 23, 1989
    Assignee: U.S. Philips Corporation
    Inventors: Johannes W. H. Verhagen, Piet C. J. van Rens, Rienk Weening
  • Method for working the funnel portion of a cathode ray tube
    Patent number: 4718203
    Abstract: A method of and a device for working the sealing edge of a funnel portion for a cathode ray tube during a plurality of working phases. A number of funnel portions are simultaneously worked in successive working units. Each unit comprises a centering device for centering and bringing the funnel portion into a stationary working position. The funnel portions are simultaneously transported from one unit to another by a common transport device.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: January 12, 1988
    Assignee: U.S. Philips Corporation
    Inventors: Henry A. Schweitz, Rienk Weening