Patents by Inventor Prem Kumar Kesvanathan

Prem Kumar Kesvanathan 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).

  • Disk buffing apparatus with abrasive tape loading pad having a vibration absorbing layer
    Patent number: 9296082
    Abstract: A disk buffing apparatus includes a spindle for rotating an annular disk, and a first pad arm for loading a first abrasive tape against a first surface of the annular disk. The first pad arm includes a pad arm frame having a pad receptacle and a first pad. The first pad has a first damping layer in contact with the first pad arm within the pad receptacle, and a first tape loading layer for contacting the first abrasive tape. The first damping layer comprises a first polymeric material and the first tape loading layer comprises a second polymeric material. The first polymeric material has a lesser hardness than the second polymeric material.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: March 29, 2016
    Assignee: WD Media, LLC
    Inventors: Prem Kumar Kesvanathan, Shaun H. Chen