Patents Assigned to F M Machine Company
  • Sailing craft mainsail and auxiliary propulsion means therefor
    Patent number: 4353702
    Abstract: A configuration for a sailboat mainsail comprises a rotating wind-mill like sail structure mounted on a rotating pedestal base. The wind driven rotating sail delivers power to the sailboat propeller through a flexible driveshaft and transmission and thus provides an ability to sail a particular desired course direction irrespective of the direction from which the wind is blowing.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: October 12, 1982
    Assignee: F M Machine Company
    Inventor: Laszlo Nagy