Patents by Inventor Bernardus H. M. A. Dorsemagen

Bernardus H. M. A. Dorsemagen 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).

  • Capped electric lamp with connection conductor butt welded to a lamp vessel current conductor
    Patent number: 5412275
    Abstract: The capped electric lamp has a quartz glass lamp vessel (1) with a first neck-shaped portion (2) which is kept fixed by the cap (20). First (4) and second (5) current supply conductors (4, 5) emanate from the neck-shaped portions (2 resp. 3) and are connected to contact members (24 resp. 25) of the cap, the second supply conductor (5) via a connecting conductor (7). The joint of the connection conductor (7) to a molybdenum end portion (5a) of the second supply conductor (5) is a butt weld (9). The joint is solid and reliable. An insulator tube (8) may be present around the connection conductor (7) and fixation means (10, 11 ) may be present to immobilize the tube.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: May 2, 1995
    Assignee: U.S. Philips Corporation
    Inventors: Bernardus H. M. A. Dorsemagen, Manfred Westemeyer