Patents by Inventor Antonius Lambertus Derks

Antonius Lambertus Derks 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).

  • Method of making a capacitor housing
    Patent number: 3938228
    Abstract: A method of making an electrical terminal in a metal capacitor housing. The terminal includes a metal disc on which a metal pin is eccentrically formed. By means of the pin, a part of an insulating foil inserted between the terminal and the housing is pressed through a hole in the housing, after which the pin is riveted. The foil is removed from the end of the pin, whereby a capacitor electrode can be welded to the pin.
    Type: Grant
    Filed: April 25, 1975
    Date of Patent: February 17, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Pieter Kemkers, Antonius Lambertus Derks