Patents by Inventor Ronald J. Watson

Ronald J. Watson 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).

  • Earthquake isolation bearing
    Patent number: 5491937
    Abstract: A unitary compound earthquake isolation bearing which permits the installation of a compound bearing comprising a sliding bearing and at least one MER as a single unit without special and separate attachment of the MER to the support or superstructure.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: February 20, 1996
    Assignee: R. J. Watson, Inc.
    Inventors: Ronald J. Watson, Paul F. Bradford
  • Aseismic bearing for bridge structures
    Patent number: 4617769
    Abstract: An aseismic bearing is disclosed for use in a bridge structure in combination with a bridge support and/or sliding bearing. The aseismic bearing permits horizontal movement of the bridge's support to occur under the bridges superstructure while limiting the transmission of those forces to the superstructure. Also disclosed is a displacement control device for limiting relative movement between the two parts of the bridge.
    Type: Grant
    Filed: February 24, 1984
    Date of Patent: October 21, 1986
    Inventors: Edward R. Fyfe, William M. Slater, Ronald J. Watson