Patents by Inventor Ralph E. Bergstresser

Ralph E. Bergstresser 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: 3939814
    Abstract: A spark prolonging device having a winding on an electrically inert core and connected at one end to the secondary coil of an ignition system and at the other end to the distributor, a first portion of the winding comprised of coils spaced on said core and a second portion of the winding comprised of tightly wound coils; the second winding portion consisting of three sections with the direction of winding reversed between the first and second sections and between the second and third sections and the second section having approximately twice as many coil turns as said first and third sections.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: February 24, 1976
    Assignee: Energy Innovations
    Inventor: Ralph E. Bergstresser