Patents by Inventor Karl-Robert Gisewsky

Karl-Robert Gisewsky 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).

  • Patent number: 4014600
    Abstract: An electrical connector consisting of two coupling halves equipped with contact elements wherein the contact elements are inserted into an elastically resilient insulator with the contact elements of one coupling half having a spherical contact surface and with the contact elements of the other coupling half having an inclined trough-shaped contact surface for mating contact whereupon mating of the contact elements induces lateral relative motion of the contact elements with rubbing action cleaning the contact surfaces and with pushing away dirt particles contained in the trough.
    Type: Grant
    Filed: December 11, 1975
    Date of Patent: March 29, 1977
    Inventor: Karl-Robert Gisewsky