Patents by Inventor Martin Perschke

Martin Perschke 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).

  • Power transformer for a switched mode power supply, especially for stud welding devices
    Patent number: 6339320
    Abstract: The invention relates to a power transformer for a switching power supply, particularly for a stud welding device, comprising a closed ring-shaped core and a primary and secondary winding arranged thereon, with the primary winding consisting of at least one primary package (7) and the secondary winding consisting of at least one secondary package (9), with the primary packages (7) containing at least one primary lamella and the secondary packages containing at least one secondary lamella, which are configured as electrical conductors spirally wound in one plane, and with the primary and secondary packages (7, 9) being alternately laminated one on top of the other in planes that are parallel to one another.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: January 15, 2002
    Assignee: Nelson Stud Welding, Inc.
    Inventors: Danilo Spremo, Martin Perschke