Patents Assigned to ROTARY CONNECTIONS INTERNATIONAL LTD.
  • Premium threaded connection and method for making same
    Patent number: 10920913
    Abstract: A method of converting a tubular having NC46 connections to CET®43 connections. A method of applying a CET®43 thread to a pin connection or a box connection or both. A box connection and a pin connection of the tubular are machined and a CET®43 thread applied to the box connection and the pin connection.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: February 16, 2021
    Assignee: ROTARY CONNECTIONS INTERNATIONAL LTD.
    Inventor: Milton Hruschak
  • Premium threaded connection and method for making same
    Patent number: 10612701
    Abstract: A method of converting a tubular having NC46 connections to CET®43 connections. A method of applying a CET®43 thread to a pin connection or a box connection or both. A box connection and a pin connection of the tubular are machined and a CET®43 thread applied to the box connection and the pin connection.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: April 7, 2020
    Assignee: ROTARY CONNECTIONS INTERNATIONAL LTD.
    Inventor: Milton Hruschak
  • Drill pipe
    Patent number: D873392
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: January 21, 2020
    Assignee: ROTARY CONNECTIONS INTERNATIONAL LTD.
    Inventor: Milton Hruschak