Patents by Inventor Jonathan Gershfeld

Jonathan Gershfeld 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).

  • Mass loaded composite rotor for vibro-acoustic application
    Patent number: 5145320
    Abstract: A rotor and a method for the production thereof which incorporates the inently strong, highly damped, yet light weight characteristics of fiber reinforced plastic composites, Achieving with a minimal amount of added weight in the form of high density material a significant reduction in the vibratory response of the rotor due to hydrodynamic flow excitation, by selectively tailoring the mass distribution therein as by adding the high density material at selected locations of the rotor.
    Type: Grant
    Filed: August 28, 1990
    Date of Patent: September 8, 1992
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William K. Blake, Aleksander B. Macander, Jonathan Gershfeld