Patents by Inventor John R. Stroemer

John R. Stroemer 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).

  • Syncro-matic circuit used with material spreaders
    Patent number: 4132941
    Abstract: A vehicle with apparatus for discharging material such as salt on a roadway or the like at a rate that a control system automatically varies with vehicle speed includes means that ordinarily interrupts normal control to prevent discharge of material while vehicle speed is below preselected threshold value. The system also includes a blast circuit which responds to momentary manual operation of a switch to impose a blast signal on control system to override all other control activity to cause rapid dispensing of material for a preselected period even if vehicle is stopped or moving below the threshold speed.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: January 2, 1979
    Assignee: Koehring Company
    Inventors: Eugene A. Sousek, John R. Stroemer, Steven L. Whitsitt