Patents by Inventor Wilhelmus J. M. Manders

Wilhelmus J. M. Manders 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
    Patent number: 6210020
    Abstract: An electric lamp comprises a lamp vessel (1) and a cap (10) having integrally a housing (11) and an intermediate spring part (15) with a connecting device (17) on it. The cap is supplied with contact members (14) and reference studs. The spring part keeps the lamp positioned on a carrier (30) by a permanent press force. The electric lamp is compact, can be simply assembled and can be used in front-, back- and plate-mounting, possibly in combination with an adapter (25).
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: April 3, 2001
    Assignee: U.S. Philips Corporation
    Inventors: Hendrikus A. M. Van Dulmen, Ralph H. Peters, Wilhelmus J. M. Manders
  • Capped electric lamp
    Patent number: 5952773
    Abstract: The capped electric lamp has a glass bulb (1) having an opening (3) which is sealed with an insulator plate (4). The lamp cap (20) has a circumferential wall (22) which seizes about a circumferential rim (7) of the plate (4) and presses the plate (4) against an abutment (24) in the cap (20). Thereby, an electric element (9) in the bulb (1) which is mounted in a predetermined position with respect to the plate (4), has a predetermined position with respect to references (25) at the cap (1).
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: September 14, 1999
    Assignee: U.S. Philips Corporation
    Inventors: Wilhelmus J. M. Manders, Hendrikus A. M. Van Dulmen