Patents by Inventor Robert Ivan Skinner

Robert Ivan Skinner 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).

  • Hysteretic energy absorber
    Patent number: 3963099
    Abstract: A cyclic absorber of energy in massive quantities. It is suitable for installation between two parts of a structure that would be caused to move relative to each other by earthquakes or heavy winds. Energy is absorbed by the cyclic, flexural deformation into the plastic range of a main beam which may be a single or double cantilever. Strain of the main beam may be distributed and the capacity of the device increased, by short auxiliary cantilevers initially in contact with the main beam.
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: June 15, 1976
    Assignee: New Zealand Inventions Development Authority
    Inventors: Robert Ivan Skinner, Arnold John Heine