Patents by Inventor Josephus M. Ruts

Josephus M. Ruts 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).

  • High-pressure discharge lamp
    Patent number: 4328445
    Abstract: The invention relates to a discharge lamp which has a discharge vessel provided with an external auxiliary electrode. The lamp also has a bimetal which in the inoperative condition of the lamp causes the external auxiliary electrode to bear against the discharge vessel. According to the invention the auxiliary electrode is connected to an end of only one bimetallic strip and in the operating condition of the lamp the auxiliary electrode is remote for the greater part from the discharge vessel due to the action of the bimetal. Combined with an operating condition of the lamp in which no hindrance is experienced from the auxiliary electrode.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: May 4, 1982
    Assignee: U.S. Philips Corporation
    Inventors: Roger J. Q. Van Den Plas, Josephus M. Ruts, Antonius J. G. C. Driessen