Patents by Inventor Surendran Prabhakaran

Surendran Prabhakaran 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).

  • Patent number: 9790761
    Abstract: The present invention relates to a boltless bonnet assembly for use in a blowout preventer (BOP). In some embodiments, the boltless bonnet assembly includes a bonnet having a forward end facing a ram body of the BOP stack, and a bonnet latch disposed within the bonnet, the bonnet latch attached to the forward end of the bonnet. The boltless bonnet assembly further includes a bonnet positioning mechanism in communication with the bonnet latch to move the bonnet latch into and out of engagement with the ram body.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: October 17, 2017
    Assignee: HYDRIL USA DISTRIBUTION LLC
    Inventors: Surendran Prabhakaran, Mareesan Bose, Premkumar Jayaprakasam, Arun Jeevagan, Sandhya Asok Kumar, Kathiresan Krishnasamy, Raghavendra Muniswamy, Manikandan Shenbagalingam
  • Publication number: 20160377194
    Abstract: The present invention relates to a boltless bonnet assembly for use in a blowout preventer (BOP). In some embodiments, the boltless bonnet assembly includes a bonnet having a forward end facing a ram body of the BOP stack, and a bonnet latch disposed within the bonnet, the bonnet latch attached to the forward end of the bonnet. The boltless bonnet assembly further includes a bonnet positioning mechanism in communication with the bonnet latch to move the bonnet latch into and out of engagement with the ram body.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Surendran Prabhakaran, Mareesan Bose, Premkumar Jayaprakasam, Arun Jeevagan, Sandhya Asok Kumar, Kathiresan Krishnasamy, Raghavendra Muniswamy, Manikandan Shenbegalingam