Patents by Inventor Antonius J. Van Meer

Antonius J. Van Meer 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).

  • Low-pressure mercury vapor discharge lamp
    Patent number: 4199708
    Abstract: Low-pressure mercury vapor discharge lamp having a closed elongated lamp envelope and comprising at least two electrodes disposed near a first end of the lamp envelope, at least one electrode is situated at the end of at least one inner tube situated within and sealed in a gas-tight manner to the lamp envelope, this inner tube having at least one opening to the inside of the lamp envelope, the inner tube being U-shaped.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: April 22, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Petrus C. Lauwerijssen, Antonius J. van Meer
  • Fluorescent discharge lamp with inner hollow tube offset from envelope axis
    Patent number: 4142125
    Abstract: A low-pressure gas discharge lamp having an inner tube in the discharge space limited by a lamp envelope the outer wall of which inner tube is provided with a luminescent coating, the portion which is provided with this luminescent coating facing away from the portion of the inner tube which is nearest to the wall of the lamp envelope.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: February 27, 1979
    Assignee: U.S. Philips Corporation
    Inventors: Petrus C. Lauwerijssen, Antonius J. Van Meer