Patents by Inventor Gerardus Antonius Petrus Maria Cornelissen

Gerardus Antonius Petrus Maria Cornelissen 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).

  • Discharge lamp having a glow discharge starter within the outer envelope
    Patent number: 4117370
    Abstract: A high-pressure sodium vapor discharge lamp which is provided with a discharge tube and an outer envelope which envelopes this tube.In accordance with the improvement there are disposed in the space between the discharge tube and the outer envelope both a capacitor and a glow discharge starter which are both in parallel with the discharge tube. Consequently an external lamp starter is superfluous. In addition the lamp base may be relatively small.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: September 26, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Cornelis Adrianus Joannes Jacobs, Antonius Jozephus Gerardus Cornelis Driessen, Gerardus Antonius Petrus Maria Cornelissen