Patents Assigned to DDS Investments, LLC
  • Valve stem for choke valve
    Patent number: 10920908
    Abstract: A valve stem includes a valve stem body connected to a valve stem head. The valve stem is for use with a choke valve. The valve stem body has first and second ends with an expandable valve stem tip extending from the second end of the valve stem body. The valve stem tip expands radially outwardly in an opening in the valve stem head to secure the valve stem head to the valve stem body.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: February 16, 2021
    Assignee: DDS Investments, LLC
    Inventors: Mark Burris, Kenny Burris, Bryce W. Burris
  • Hammer union back pressure regulator
    Patent number: 10508750
    Abstract: A hammer union back pressure regulator is provided. The hammer union back pressure regulator comprises a regulator body, a bonnet, a housing and a flow control member. The regulator body defines a flow inlet, a flow outlet, and a flow passage in fluid communication with the flow inlet and the flow outlet. The bonnet is coupled to the regulator body with a hammer union nut. The flow control member is configured to adjust the pressure at which the hammer union back pressure regulator will allow flow through the flow passage.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: December 17, 2019
    Assignee: DDS Investments, LLC
    Inventors: Mark Burris, Bryce W. Burris, Kenny Burris, Randy Misenhelter