Patents by Inventor John R. Richter

John R. Richter 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).

  • Constant horizontal natural frequency vibration isolation mount pad insert
    Patent number: 5794912
    Abstract: A vibration isolation mount pad insert for supporting heavy equipment wherein the insert is vertically adjustable and a constant horizontal natural frequency is maintained at all vertical positions of the pad. The constant horizontal natural frequency vibration absorption characteristics are maintained at all insert positions by shaping the insert elastomeric body. Constant horizontal vibration control is achieved by maintaining a constant effective elastomeric vibration control mass at all positions of vertical adjustment.
    Type: Grant
    Filed: February 20, 1997
    Date of Patent: August 18, 1998
    Assignee: Unisorb, Inc.
    Inventors: Wayne H. Whittaker, Kevin C. Putman, John R. Richter