Patents by Inventor Theodorus J. M. J. van Gennip

Theodorus J. M. J. van Gennip 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).

  • Patent number: 5751110
    Abstract: An electrodeless low-pressure discharge lamp is provided with a lamp vessel which is closed in a gastight manner, which surrounds a discharge space, and which contains a filling of mercury and rare gas. The lamp vessel has a cavity and a collar where the cavity is open towards the exterior, an electric coil being accommodated in the cavity and support with an amalgam being arranged in the discharge space. The collar is made of metal and the support of the amalgam is fastened to the collar. This construction counteracts degeneration of the amalgam.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: May 12, 1998
    Assignee: U.S. Philips Corporation
    Inventors: Antonius J. Spaapen, Johannes T.J. Van Haastrecht, Theodorus J.M.J. Van Gennip
  • Patent number: 5132505
    Abstract: A method and a device for cleaving a plate of a brittle material, such as, for example, glass, by means of a radiation beam repeatedly moving over the plate. The radiation beam is repeatedly passed over a desired track until the plate has been cleaved along a desired line of rupture of the plate.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: July 21, 1992
    Assignee: U.S. Philips Corporation
    Inventors: Maarten H. Zonneveld, Jacobus N. Dekker, Gerrit C. Verkade, Ireneus H. T. Fierkens, Theodorus J. M. J. Van Gennip
  • Patent number: 5084604
    Abstract: The invention relates to a method of asymmetrically severing a plate (3) of brittle material, in which by means of a heat source (5) a thermal load is provided along a heating track asymmetrically with respect to the desired cutting line (7) and the plate (3) is severed along the desired cutting line (7).
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: January 28, 1992
    Assignee: U.S. Philips Corporation
    Inventors: Jacob N. Dekker, Maarten H. Zonneveld, Ireneus H. T. Fierkens, Theodorus J. M. J. van Gennip, Peter L. Holster