Patents by Inventor Arend Dijkstra

Arend Dijkstra 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).

  • Electric machine with improved coil connection
    Patent number: 4691134
    Abstract: Electric machine has at least one coil with ends of the coil wire fixed to separate connection elements. The connection elements are provided with a relatively thick soft-solder layer of at least approximately 30.mu. thickness. The soldered connection between an end of a coil wire and a connection element can be made by means of a laser.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: September 1, 1987
    Assignee: U.S. Philips Corporation
    Inventors: Arend Dijkstra, Bernardus Haijkens, Mient Veenstra