Patents by Inventor Krishna Kankanalapalli

Krishna Kankanalapalli 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: 11021925
    Abstract: A pressure control device for use in an oil well is described. The pressure control device comprises a support member configured to be located on a mandrel or a tubular, the support member defining at least one conduit throughbore configured to receive a conduit and a flexible cup member mounted to the support member. In use, a conduit can pass through the pressure control device intact.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: June 1, 2021
    Assignee: RUBBERATKINS LIMITED
    Inventors: Nicholas Atkins, Craig Spalding, Krishna Kankanalapalli, Vijay Amirtharaj Avanashiappan
  • Publication number: 20190003276
    Abstract: A pressure control device for use in an oil well is described. The pressure control device comprises a support member configured to be located on a mandrel or a tubular, the support member defining at least one conduit throughbore configured to receive a conduit and a flexible cup member mounted to the support member. In use, a conduit can pass through the pressure control device intact.
    Type: Application
    Filed: December 15, 2016
    Publication date: January 3, 2019
    Inventors: Nicholas ATKINS, Craig SPALDING, Krishna KANKANALAPALLI, Vijay Amirtharaj AVANASHIAPPAN
  • Publication number: 20180058583
    Abstract: An annular seal (12) is operable to seal an annular gap (140) between a first member (120) and a second member (130). The seal (12) is configured to be received in a recess (20) in the first member (120) and to close/seal the annular gap (140). The seal (12) comprises a substantially solid body (13) comprising a first surface (24), which in use abuts the recess (20) in the first member (120) and a second surface (26), which in use faces/abuts the second member (130). The first surface (24) comprises, a width wise concave section (32) across at least part of the width of the seal (12).
    Type: Application
    Filed: August 23, 2017
    Publication date: March 1, 2018
    Inventors: Nicholas Atkins, Vijay Avanashiappan, Craig Spalding, Krishna Kankanalapalli