Patents by Inventor Raymond Steven Tyburcy

Raymond Steven Tyburcy 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).

  • Electronic motor speed regulating system having adjustable high and low speed ranges
    Patent number: 4098206
    Abstract: A sewing machine motor speed regulating system which provides two speed ranges which, in turn, have independently controllable maximum attainable speed adjust. This is accomplished by selectively exciting one of two variable trim resistors serially inserted in the silicon controlled rectifier gate/controller circuit.
    Type: Grant
    Filed: May 17, 1977
    Date of Patent: July 4, 1978
    Assignee: The Singer Company
    Inventors: Alfred Rolf Suchsland, Raymond Steven Tyburcy, Charles Robert Odermann