Patents by Inventor Jacob Schmidt, deceased

Jacob Schmidt, deceased 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).

  • Circulation controlled rotor blade
    Patent number: 4131390
    Abstract: A circulation controlled rotor blade which reduces rotor flutter by introing a laminar flow over the trailing edge. A trailing edge structure has a deformable tube to control a spanwise slot formed by the juxtaposition of an upper trailing edge lip over the deformable tube. The laminar flow is created by compressed fluid directed through the rotor blade and through the slot.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: December 26, 1978
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Jacob Schmidt, deceased